A deburring tool removes the sharp raised edge ("burr") left after drilling, milling, sawing or cutting metal — turning a hazardous, paint-rejecting edge into a clean chamfered one. The workshop standard for hand deburring is the swivel-blade tool: a hardened steel blade pivots on a shank inside an ergonomic handle, the blade rotates to follow the workpiece edge, and a single pass cleans both internal and external burrs. This guide covers the swivel-blade system, the cross-referenced Shaviv and Noga blade naming conventions (B10 = S10 etc.), the materials each blade type handles, the critical "wrist slitter" safety rule that experienced machinists call out, and the AIMS-stocked range across Bordo, Shaviv, Noga, and P&N.
AIMS Industrial stocks the deepest deburring range in any AU industrial supplier — 213+ active deburring tools and kits, 84 deburring blades across Shaviv B/E series + Bordo NB/SE series + Noga S series, plus handles, extensions and adaptors. Contact the AIMS team or call (02) 9773 0122 for blade selection advice or workshop bulk supply.
What is a deburring tool?
A deburring tool is a hand tool with a hardened steel cutting blade designed to shear off the raised metal edge ("burr") that forms when material is drilled, milled, cut or punched. Burrs are sharp, dimensionally inconsistent, can cut hands during handling, interfere with assembly fit, and prevent paint or coating adhesion. Deburring is the workshop finishing step that turns a freshly machined part into a usable component.
The defining design is the swivel blade — a hardened steel cutter mounted on a pivoting shank that rotates inside a handle. As the operator pulls the tool along the workpiece edge, the blade pivots to follow the cut angle. A single pass shears off the burr and leaves a small chamfer in its place.
Three distinct uses cover the workshop application:
- External edge deburring — removing burrs from the outer edges of cut or milled parts.
- Internal hole deburring — removing burrs from the inside edge of drilled, bored or punched holes (both top and bottom of the hole).
- Slot and groove deburring — removing burrs from machined keyways, slots, recesses.
Edge breaking is the broader concept — a deliberate small chamfer (typically 0.2-0.5mm) on every cut edge of a metalwork part. It's standard practice in fabrication, engineering and machining trades because the chamfered edge accepts paint properly, doesn't cut handlers, and assembles more cleanly.
The swivel-blade hand deburrer — how it works
The swivel-blade deburring tool design has been the industry standard for hand deburring for decades. The mechanism is mechanically simple but cleverly designed:
- The blade is hardened HSS or HSS+TiN with a curved cutting profile — the cutting edge curves around the blade so it cuts whichever direction the operator pulls.
- The shank is a steel rod that mounts the blade. The blade pivots freely on the shank — this is the "swivel" mechanism that lets the blade follow workpiece geometry.
- The handle is plastic or aluminium with an internal collet that grips the shank. Better handles include a quick-release for blade changes.
- An adaptor sometimes sits between blade and shank — provides the swivel pivot bearing for specific blade families. Bordo NB and SE blade systems use plastic adaptors that are part of the assembly.
The operating motion: hold the workpiece (typically clamped or on the bench), insert the blade against the edge to be deburred, pull the tool along the edge. The blade rotates to follow the edge geometry. Internal hole deburring: insert the blade into the hole, angle the tool so the blade cuts the underside edge, rotate around the hole with consistent pressure. External edge deburring: drag the tool along the edge with the blade tracking the cut angle.
The advantage over file deburring is speed and uniformity. A swivel-blade tool deburrs an edge in seconds; a file takes several strokes and is harder to keep at a consistent angle. The advantage over flap disc deburring is precision and access — the swivel tool reaches small holes, blind slots, internal corners that an angle grinder can't.
Blade types decoded — B-series, E-series, S-series, NB-series, SE-series
Deburring blade naming follows the manufacturer convention. The two dominant brand naming systems are Shaviv (B and E series) and Noga (S series and others). Bordo uses its own NB and SE series for its locally-manufactured AU range. The blade profile determines which workpiece geometry the blade can deburr.
| Series | Manufacturer | Design | Typical use |
|---|---|---|---|
| B-series (B10, B20, B30, B11) | Shaviv (Israel) | Slim swivel blade — thinner profile, lighter cut | Sheet metal edges, tube edges, thin material deburring on both sides of holes |
| E-series (E100, E200, E300, E350, E720) | Shaviv (Israel) | Heavy-duty swivel blade — 3.2mm thick, deeper cutting action | Production deburring of holes, slots and edges in solid steel and thick plate |
| S-series (S10, S100, S150) | Noga (Israel) | Standard swivel blade — equivalent to Shaviv E-series with Noga's own profile geometry | Drilled or bored hole edge breaking on lathe work, slots, general edges |
| NB-series (NB10, NB20, NB30, NB60) | Bordo (Australia) | Standard duty swivel blade — Australian-made, Bordo handle compatible | General workshop deburring, paired with Bordo aluminium handles |
| SE-series (SE10, SE10L, SE20, SE60) | Bordo (Australia) | Heavy duty swivel blade — Australian-made, deeper cut profile | Heavy stock removal, thick plate edges, production volume work |
| D-series (D80) | Bordo (Australia) | Tungsten carbide swivel blade — extends service life on hard materials | Hardened steel work, stainless production deburring where HSS blades wear quickly |
Workshop reality check: within each series, profile variants cover left-hand cut, right-hand cut, back-edge cut (returning through the hole), and both-edges cut. The variant codes — e.g. "B10" basic vs "B11" left-handed — let you optimise for the cut direction that matches your workpiece access.
Shaviv vs Noga blade naming — the brand-equivalency cross-reference
Forum-validated cross-reference for AU workshops switching between Shaviv and Noga blade stock: the most common blade profiles map directly across both naming systems. This is critical when sourcing — a Noga handle accepts a Shaviv blade when the profile matches, and vice versa.
| Shaviv blade | Noga equivalent | Use |
|---|---|---|
| E100 | S10 | Standard 3.2mm HSS blade for steel and aluminium — the workshop default |
| E200 | S20 | Heavier profile — thicker plate edges |
| E300 | S30 | Deeper cut profile |
| B10 | Various (Noga has fewer slim-blade options) | Sheet metal / tube edge deburring |
| B20 | — | Thinner material — light cuts |
| B30 | — | Both edges of hole simultaneously |
The forum consensus across Practical Machinist threads ("Looking for deburring tool NOT Noga" and "What do the deburring tool numbers mean?") is that the E100/S10 pairing is the universal workshop default — if you only want one blade, that's the one. Heavier work upgrades to E200/S20 or E300; sheet metal work downgrades to B10/B20 for finer finish.
AIMS-stocked AU equivalency note: the Bordo NB and SE blade systems are not direct cross-references to Shaviv/Noga — different handle threading and pivot geometry. Bordo blades fit Bordo handles (and the Bordo Deburrer Handle 6410-H1 with SE & NB adaptor accepts both Bordo series). Shaviv blades fit Shaviv Mango handles. Noga blades fit Noga handles. Plan your blade stocking around your handle brand.
Materials guide — which blade for which workpiece
Like all metal-cutting tools, deburring blades work best on materials softer than the blade body itself. HSS blades at Rockwell C 62-65 work on most workshop steels. Tungsten carbide (D-series and other carbide blades) extend the range to hardened materials.
| Material | Best blade | Notes |
|---|---|---|
| Mild steel (1018, 1020) | Shaviv E100 / Noga S10 / Bordo SE10 — HSS standard | The workshop default. Any HSS blade works. |
| Structural steel (350MPa+) | HSS standard or HSS+TiN coated | Light cut — fine. |
| Stainless steel (304, 316) | Shaviv E100 with frequent replacement, or D-series carbide | Work-hardens. Sharp blade essential. Replace blades 2-3x more often than for mild steel. |
| Aluminium / brass / bronze | Shaviv B10 / B20 — slimmer blade, lighter cut | Soft material clogs less with slim blade profile. Don't use heavy E-series — over-cuts. |
| Copper | B-series HSS, light pressure | Very soft. Light pressure or you cut too deep. |
| Cast iron | HSS standard (E100/S10) | Works fine. Cleans up nicely. |
| Tool steel (annealed) | HSS standard | OK when annealed (Rc 20-25). Not after hardening. |
| Hardened tool steel (Rc 55+) | Tungsten carbide blade (Bordo D80 — extension package) | HSS blades skate or chip. Carbide required. |
| Plastic (ABS, PC, nylon) | HSS standard with light pressure, or scraper | Soft material — light cut. Many plastic jobs use a deburring scraper instead. |
| 3D printed plastic | HSS standard — Hackaday-validated technique | Deburring tools work beautifully on FDM print edges and seam ridges (Hackaday article cross-referenced this widely). |
| Composites / fibreglass | HSS standard with light pressure | Watch dust exposure. PPE for composites work. |
Forum-validated material rule from Practical Machinist threads: for steel deburring at any volume, replace blades 2-3x more often than you think you need to. A dull blade compounds the safety risk by requiring more pressure — and pressure on a worn blade is what causes the blade to snap.
⚠️ Deburring tool safety — the "wrist slitter" warning
The three forum-validated safety rules:
- Replace, don't resharpen. Resharpening weakens the metallurgy at the cutting hook. Multiple Practical Machinist threads document users with "palms laid open from weakened blades." Blade cost ($7-$9 per blade for Shaviv HSS) is trivial compared to hospital stitches.
- Frequent replacement on steel work. Hard materials accelerate wear. Replace blades 2-3x more often than for soft materials. A dull blade requires more pressure — and pressure on a worn blade is what snaps it.
- Mind the workpiece-holding hand. The blade snap risk is to whichever hand is closest to the cutting zone — usually the hand holding the workpiece. Where possible, clamp the workpiece in a vice or jig rather than holding by hand. Use safety glasses always.
Slip risk is a secondary safety issue: the swivel tool can slip off the workpiece edge during the cutting stroke, slicing the operator's hand. Maintain controlled pressure, work with the blade pointing away from the body where possible.
Clockwise rotation rule — the #1 user error
Swivel deburring blades are designed for right-hand (clockwise) rotation. The cutting edge is ground to cut when the tool is pulled clockwise around an external edge, or pushed clockwise into an internal hole. Reverse the rotation and the blade simply skates without cutting — and one of the most common forum-flagged "the tool doesn't work" complaints traces directly to operator rotation direction.
The forum-validated experience (Practical Machinist, Hobby-Machinist multiple threads): users who report a Noga or Shaviv "doesn't deburr" are almost always rotating the tool anticlockwise. The fix is immediate — reverse direction and the tool works as designed.
Practical mnemonic: if the tool is in your right hand and you're working on the top of a workpiece edge, the cutting motion is the same as turning a screwdriver clockwise to drive a screw. If it feels wrong, reverse and try again.
Specialised left-hand blades exist (e.g. SE10L in the Bordo range) for situations where access geometry forces anticlockwise operation. Those blades are explicitly marked LEFT HAND on the packaging and cut on the opposite rotation. Don't confuse a left-hand blade with a standard blade used wrong-way-round.
Blade replacement vs sharpening — don't sharpen
Forum consensus across Practical Machinist, Hobby-Machinist and Garage Journal threads: do not resharpen deburring blades. The risks outweigh the savings.
Why resharpening fails:
- The blade is heat-treated as a finished part — re-grinding removes the hardened surface and exposes softer interior steel.
- The sharpening hook is structurally critical. Modifying it changes the blade's flex characteristics under load.
- Documented forum reports of resharpened blades snapping more readily than factory blades — "wrist slitter" risk increases significantly.
- Blade cost is trivial. Shaviv HSS blades run $7.14-$9.02 per blade in 2-piece packs; 10-packs drop the per-blade cost to $2.44-$3.38.
Replacement schedule:
- Light workshop use (aluminium, brass, intermittent steel) — every 50-100 hours of accumulated use, or when cutting performance drops.
- Production steel deburring — every 10-20 hours, or whenever a part is taking visibly more pressure than the previous one.
- Stainless steel work — 2-3x more frequent replacement than mild steel.
- Replace immediately if you see any chip, crack, or distortion at the cutting hook.
For workshops doing volume work, the Shaviv E100 10-pack at $29.02 ($2.90 per blade) is the economical buy. The Bordo Swivel Deburring Blade in 10-pack format covers SE-series at workshop volume pricing.
Internal vs external deburring — different tools, different jobs
| Application | Best tool | Notes |
|---|---|---|
| External edge of drilled hole (top side) | Standard swivel deburrer with E100/S10/SE10 blade | Most common workshop case. Pull blade across edge clockwise. |
| Internal edge of drilled hole (underside) | Same tool, blade angled to reach underside | Insert through hole, angle blade, rotate. Back-edge variants (SE60, NB60) cut on the return stroke. |
| Both sides of through-hole simultaneously | Both-edge blades (B30, NB30) | Single pass deburrs entry and exit edges. |
| Slot or keyway edges | Slim swivel blade (B10) or narrower SE blade variant | B-series blade profile fits narrow slots that wider blades won't enter. |
| Threaded hole entry edge | Chamfer countersink (60° or 90°) — different tool | Deburring blade doesn't reach into the thread root. Chamfer cutter cleans thread entry. |
| Tube/pipe end inside edge | Standard swivel — but heed the "wrist slitter" warning at the 6 o'clock position | Clamp the tube in a vice rather than holding by hand. |
| Sheet metal panel cut edges | B-series slim blade | Slim profile follows thin sheet edge without over-cutting. |
| Production-line edge breaking | Powered deburring brushes or rotary deburring head | Beyond hand deburring scope. Large-volume work uses dedicated production equipment. |
Chamfer tools — when to use chamfer cutters instead of deburring blades
Chamfer tools and deburring tools share a goal (clean cut edge) but use different mechanisms. Deburring blades shear off the burr; chamfer cutters mill a defined chamfer angle into the edge.
| Swivel deburring tool | Chamfer cutter | |
|---|---|---|
| Mechanism | Pivoting hardened blade shears burr | Multi-flute rotary cutter mills defined chamfer |
| Powered by | Hand | Drill, drill press, lathe, mill |
| Chamfer angle | Small, undefined (0.2-0.5mm) | Defined — typically 45°, 60°, 82°, 90°, 120° options |
| Best for | Cleaning up burrs after machining | Specifying a particular chamfer for assembly, paint or thread entry |
| Surface finish | Adequate for most workshop work | Production-quality finish |
| Speed | Hand-paced | Faster on production volume |
The P&N 107DT0319 Quickbit 3-19mm Smart Chamfer Deburr Tool with 1/4" shank is the AIMS-stocked combined chamfer-deburr cutter — fits in a drill or drill press, covers hole sizes 3-19mm in one tool. Australian-made, $43.90. For dedicated countersink chamfer cutters by angle, see the counterbore and countersink collection.
For workshop edge breaking after drilling on a centre-punched mark, the swivel deburrer is faster than the chamfer cutter. For production-spec chamfer with defined angle, use the chamfer cutter in a drill press.
Deburring tool vs file vs flap disc vs grinder — selection matrix
| Tool | Best for | Trade-off |
|---|---|---|
| Swivel deburring tool | Hole edges, slot edges, small-medium parts, controlled chamfer | Slower than power tools for large surfaces; needs blade replacement |
| Hand file (smooth or second cut) | Larger surfaces, fitting work, defined removal, removing weld discoloration | Slower than deburring blade for hole edges; pinning risk on aluminium |
| Chamfer cutter | Defined chamfer angle, production volume, threaded hole prep | Needs power source; specific cutter per angle |
| Angle grinder + flap disc | Rapid edge breaking on large surfaces, weld dressing, structural steel fabrication | Aggressive; less controlled than hand deburrer; PPE-heavy |
| Angle grinder + grinding disc | Heavy stock removal, weld cleanup | Too aggressive for fine deburring; removes too much material |
| Bench grinder + wire wheel | Surface cleaning, light burr removal on small parts | Different job — surface prep, not precision deburring |
| Die grinder + carbide burr | Internal port cleanup, complex geometry, hard-to-reach burrs | Power tool — much faster but harder to control than hand deburrer |
| Abrasive paper / Scotch-Brite pad | Final polish after deburring, contour finishing | Not for primary deburring — finishing only |
The practical workshop progression after drilling on a centre-punched mark: drill → swivel deburr both sides of the hole → optional final finish with sandpaper or scotch-brite. For weld prep work or large fabricated panels: flap disc for rough edges → swivel deburr for hole edges → final finish.
Edge breaking — why it matters
"Edge breaking" is the workshop term for deliberately deburring every cut edge of a metalwork part with a small chamfer — typically 0.2-0.5mm. It's not optional for industrial fabrication; it's standard practice for three reasons.
1. Paint and coating adhesion. Burrs and sharp 90° corners are the first place paint fails. The sharp edge has insufficient surface area for the coating to grip and is the leading edge for chip and scratch failure. Chamfered edges hold paint significantly better — proven in coating durability testing across automotive, marine and industrial applications.
2. Safe handling. Burrs are sharp by definition. Workshop handling injuries (hand lacerations during part movement, transport, assembly) are the most common minor workplace incident category in fabrication shops. Deburred parts don't draw blood.
3. Assembly fit. Burrs interfere with mating-surface fit. Two flat parts won't sit flat if one has burrs along the contact edge. Bolted assemblies don't seat properly. Press fits are misaligned. Deburring is the prerequisite for good fit.
Industrial drawings often specify "deburr all edges" or "break sharp edges 0.3mm chamfer" as a general note — meaning every cut edge gets a swivel deburrer pass before the part is considered finished. The standard reflects 50+ years of fabrication experience.
AU brand guide — Bordo, Shaviv, Noga, P&N + what AIMS doesn't stock
| Brand | Tier | Range | AIMS stocked? |
|---|---|---|---|
| Bordo | AU industrial volume DOMINANT | NB-series + SE-series swivel blades, D80 tungsten carbide blades, aluminium and plastic handles, NB/SE adaptors, extensions | ✅ Full range — 1,295-unit lead inventory on top SKU; same patriot positioning as P&N files |
| Shaviv | Israeli premium — global industry standard | B-series (B10, B20, B30) + E-series (E100, E200, E300, E350) HSS blades, Mango handles, Extra Close Deburring sets | ✅ Full range |
| Noga | Israeli premium — the most consumer-searched brand | NG8150 promo set with S10 blades (10-piece) | ✅ Yes (limited range — more available on request) |
| P&N | AU chamfer specialty | 107DT0319 Quickbit 3-19mm combined Smart Chamfer Deburr Tool 1/4" Shank | ✅ Yes — chamfer tool, not swivel deburrer |
| Vargus | Israeli premium | Various swivel and chamfer tools | Not stocked — source on request |
| Heule | Swiss premium | Spring-loaded automatic deburring cutters for production use | Not stocked — specialist supplier |
| Cogsdill | US premium | Production deburring tools, ID deburring heads | Not stocked — specialist supplier |
| Harbor Freight / Bunnings consumer-tier | Avoid | Generic unbranded swivel deburrers | Not stocked — consumer DIY tier |
Bordo dominates the AU industrial deburring market — same AU-manufacturer positioning as P&N files, Macnaught grease guns, Linishall wire wheels. Bordo's locally-made NB and SE blade systems carry massive AIMS inventory depth (top SKU 1,295 units) and the full handle + adaptor + extension ecosystem.
Shaviv is the global industry standard for HSS deburring blades — the brand most-referenced across Practical Machinist, Hobby-Machinist and Garage Journal forum threads as the "gold standard" for premium hand deburring work. The B/E series blade naming is the international convention, and the Mango handle system is the premium kit standard.
Noga is the most consumer-searched brand — when machinists type "deburring tool" into a search engine, Noga is the brand name they're most likely searching for. AIMS stocks the NG8150 promo set; specific Noga blade families can be sourced through the supplier network.
AIMS-stocked range deep dive
| Need | Recommended product | Price |
|---|---|---|
| Workshop default — full kit | Bordo Standard Swivel Deburrer with SE10 Blade (Aluminium Handle) | $20.03 |
| Universal handle for SE + NB blades | Bordo Deburrer Handle 6410-H1 with SE & NB Adaptor | $17.89 |
| Workshop default blades — replacement pack | Bordo Swivel Deburring Blade (SE10/SE20/SE60) | $30.42-$131.20 per pack |
| Bordo standard-duty blade pack | Bordo NB Swivel Deburring Blade | $27.42-$127.64 per pack |
| Premium HSS — Shaviv workshop standard blade | Shaviv E100 HSS Deburring Blade | $8.09-$29.02 (10pk) |
| Sheet metal / thin material blade | Shaviv B10 HSS Deburring Blade | $7.14-$24.43 (10pk) |
| Heavy stock removal blade | Shaviv E200 + E300 + E350 | $8.09-$33.76 (10pk) |
| Premium complete kit — Shaviv Mango with 5 blades | Shaviv SH25500162 Mango IIE+5 Extra Close Deburring Set | $29.39 |
| Noga consumer-recognised brand promo | Noga NG8150 Deburring Tool Promo Set (10-pc S10 Blade) | $39.90 |
| Combined chamfer + deburr (3-19mm) | P&N 107DT0319 Quickbit Smart Chamfer Deburr Tool 1/4" Shank | $43.90 |
| Reach extension for blind work | Bordo Deburrer Extension | $22.67-$34.59 |
| Blade adaptors (workshop spares) | Bordo SE Adaptor + Bordo NB Adaptor | $1.18 each |
For the full range across 213 deburring tools + 84 blades + 59 kits + 25 accessories, browse the deburring tools and kits collection. For just blades, see deburring blades. Complete sets in deburring kits and sets. Handles and adaptors in deburring tool handles and accessories.
Common deburring tool mistakes
| Mistake | What goes wrong | Fix |
|---|---|---|
| Rotating tool anticlockwise (wrong direction) | Blade skates without cutting — user concludes "the tool doesn't work" | Right hand, clockwise rotation. Reverse direction is for left-hand blades only. |
| Resharpening blades to extend life | Weakened blade snaps under load — "wrist slitter" injury risk | Replace blades, don't resharpen. Shaviv 10-pack drops cost to $2.90 per blade. |
| Using HSS blade on hardened steel | Blade skates, chips, or breaks. Workpiece unaffected. | Tungsten carbide blade (Bordo D80) for hardened steel work. |
| Holding the workpiece by hand for tube deburring | "Wrist slitter" risk — blade snaps at 6 o'clock position into the holding hand | Clamp tube in vice. Maintain blade-pointing-away orientation. |
| Pushing instead of pulling the tool | Loss of control; blade can dig in and grab the workpiece | Pull the tool toward you. Let the blade do the cutting. |
| Using Heavy E-series blade on aluminium | Over-cuts soft material — too deep a chamfer | B-series slim blade for aluminium and brass. |
| Extending blade life when cutting performance drops | Dull blade requires more pressure — more pressure causes snap | Replace at the first sign of pressure increase. |
| Confusing chamfer cutter with deburring tool | Trying to use one for the other — defined angle vs general burr removal | Chamfer cutter for production-spec defined chamfer; swivel deburrer for general edge breaking. |
| Using deburring tool on rough flame-cut edges | Burr too heavy for hand deburrer — blade gets damaged quickly | Rough flame cuts → flap disc first → deburring tool for finish. |
| Not wearing safety glasses | Blade fragment can fly during snap — eye injury risk | Always wear safety glasses. The blades snap. |
Selection checklist
- What material? Mild/structural steel → E100/S10. Aluminium/brass → B10/B20. Hardened steel → tungsten carbide D-series.
- What edge geometry? Hole edge → E/S/NB/SE swivel. Both sides of hole → B30/NB30. Slot → B10 slim. Thread entry → chamfer cutter.
- What volume? Occasional → starter kit (Bordo or Shaviv Mango). Daily workshop → standard handle + 10-pack blade stocking. Production → multiple handles + blade rotation.
- Which handle brand? Bordo handles + Bordo blades (interchangeable NB/SE). Shaviv Mango + Shaviv blades. Noga handles + Noga blades. Plan stocking around one handle brand to minimise inventory.
- Need defined chamfer angle? Chamfer cutter (P&N Quickbit for 3-19mm one-tool, or dedicated angle countersinks). Not a swivel deburrer.
- Blade replacement strategy? Buy in 10-packs. Replace at first sign of pressure increase. Never resharpen.
- Safety setup? Safety glasses always. Clamp tubes and small workpieces. Keep blades fresh.
For sizing advice, brand-comparison sourcing, or workshop bulk supply, contact the AIMS team or call (02) 9773 0122. Adjacent guides: Hand File Guide (filing as a deburring alternative), Bench Grinder Guide (powered surface work), Flap Disc Guide (rapid edge breaking on large surfaces), Centre Punch & Scriber Guide (post-drilling sequence: punch → drill → deburr), Drill Bit Selection Guide.
Frequently Asked Questions
What is a deburring tool?
A deburring tool is a hand tool with a hardened steel cutting blade designed to shear off the raised metal edge ("burr") left after drilling, milling, cutting or punching. The workshop standard design is the swivel-blade tool: a pivoting blade rotates to follow the workpiece edge geometry. A single pass cleans both internal and external burrs and leaves a small clean chamfer in their place. Deburring is the workshop finishing step that turns a machined part into a usable component.
How does a swivel deburring tool work?
The blade pivots freely on a shank inside the handle. As the operator pulls the tool along an edge or rotates it inside a hole, the blade tracks the cut angle and shears the burr off. The cutting motion is clockwise rotation for standard blades — pull the tool toward you with the blade angled to engage the burr. The swivel mechanism is what lets a single blade handle external edges, internal hole edges, slots and complex geometry.
What do the blade numbers B10, E100, S10 mean?
Manufacturer codes for blade profile. Shaviv uses B-series (B10, B20, B30) for slim sheet metal blades and E-series (E100, E200, E300, E350, E720) for heavy-duty 3.2mm-thick swivel blades. Noga uses S-series (S10, S20, S30). The Shaviv E100 = Noga S10 — the workshop default blade for steel and aluminium. Bordo uses NB and SE series for AU-manufactured blades with their own handle threading. The number indicates profile geometry (left/right cut, both edges, back edge).
Are Shaviv and Noga blades interchangeable?
The blade profile codes cross-reference (Shaviv E100 = Noga S10 for general steel/aluminium work), but the handle threading and pivot geometry differ. A Noga handle accepts Noga blades; a Shaviv Mango handle accepts Shaviv blades. Some users report unbadged generic blades from the same molds work in either handle — but for warranty and consistent performance, stick to matching blade brand with handle brand. The Bordo NB and SE systems are AU-manufactured with different mounting — they fit Bordo handles only.
Which deburring blade for steel? Aluminium? Stainless?
Steel — Shaviv E100 or Noga S10 (workshop default HSS blade). Aluminium and brass — Shaviv B10 or B20 (slim blade, lighter cut, won't over-cut soft material). Stainless steel — Shaviv E100 with frequent replacement (every 10-20 hours of use vs every 50+ for mild steel). Hardened steel (Rc 55+) — tungsten carbide blade like the Bordo D80. The HSS blade hardness (Rc 62-65) sets the upper material limit; harder workpieces require carbide.
Noga vs Shaviv vs Bordo — which brand?
For AU workshops: Bordo for volume work and AU-manufacturer support (NB and SE series, full handle + adaptor ecosystem stocked at AIMS at large inventory depth). Shaviv for premium HSS blade quality (B and E series — global industry standard). Noga for consumer-recognised brand and the most-searched name (NG8150 promo set covers entry use). All three are forum-respected "gold standard" tier; Bordo has the AU manufacturing and supply depth advantage, Shaviv has the international machinist forum credibility, Noga has the brand-recognition advantage.
Why did my deburring blade snap?
The blade reached the load threshold for its current condition. Three causes ranked by frequency: (1) blade is worn or chipped — the cutting hook structure has degraded and snaps under normal pressure; (2) blade was previously resharpened — resharpening weakens the metallurgy; (3) excessive pressure was applied because cutting performance had dropped (dull blade syndrome). Old machinists nickname these tools "wrist slitters" for this exact reason. Mitigation: replace blades at the first sign of cutting performance drop, never resharpen, keep workpiece clamped where possible to keep your hand out of the snap path.
Can I sharpen a deburring blade?
No — and the forum consensus is unambiguous on this. Practical Machinist, Hobby-Machinist and Garage Journal threads document multiple users with palm and wrist lacerations from resharpened blades that snapped under load. The blade is heat-treated as a finished part; re-grinding removes the hardened cutting hook and exposes softer interior steel. Replacement blade cost ($7-$9 per blade in 2-piece packs, $2.50-$3.50 in 10-packs) is trivial compared to hospital stitches. Replace, don't resharpen.
Clockwise or anticlockwise — which way does the tool rotate?
Clockwise (right-hand rotation) for standard blades. The cutting edge is ground to cut in this direction. Anticlockwise rotation will skate without cutting — and this is the most common forum-flagged "tool doesn't work" complaint. Practical mnemonic: same direction as turning a screwdriver clockwise to drive a screw. Specialised left-hand blades (e.g. SE10L in the Bordo range) exist for access-restricted situations — these are marked LEFT HAND on packaging and cut anticlockwise.
What's the difference between a deburring tool and a chamfer tool?
Mechanism. A deburring tool uses a pivoting hardened blade that shears off the burr — hand-operated, follows the workpiece edge. A chamfer tool is a multi-flute rotary cutter that mills a defined chamfer angle (typically 45°, 60°, 82°, 90° or 120°) — powered by a drill, drill press, lathe or mill. Use the deburring tool for general edge breaking and clean-up; use the chamfer cutter when the drawing specifies a defined chamfer angle or for production-volume work. The P&N Quickbit at AIMS combines both functions in one drill-shank tool.
Deburring tool vs file — when to use each?
Deburring tool for hole edges, slots, controlled chamfer, and any geometry where you need precise edge treatment. Hand file for larger surfaces, fitting work where you need to remove material, working flat surfaces, and removing weld scale or discoloration. The two tools complement rather than substitute: post-drilling, use the swivel deburrer on hole edges; for fitting two parts together, use the file. For paint adhesion edge breaking on a large fabricated panel, a flap disc on an angle grinder is faster than either.
How do I deburr the inside of a hole?
Insert the swivel blade into the hole and angle the tool so the blade engages the underside edge. Rotate the tool clockwise around the hole, maintaining consistent pressure. The swivel blade follows the hole geometry. For through-holes that need both top and bottom edges deburred in one operation, use a "both edges" blade variant (Shaviv B30, Bordo NB30 etc.) that cuts on both sides of the hole simultaneously. For back-edge access (deburring the underside of a hole from the top side), use back-edge blade variants (SE60, NB60).
What is "edge breaking"?
The workshop practice of deliberately deburring every cut edge with a small chamfer — typically 0.2-0.5mm. Standard practice in fabrication, engineering and machining trades for three reasons: paint adhesion (chamfered edges hold paint significantly better than sharp 90° corners), safe handling (deburred parts don't draw blood during handling), and assembly fit (burrs prevent flat mating surfaces from sitting flat). Industrial drawings often specify "deburr all edges" or "break sharp edges 0.3mm chamfer" as a general note covering every visible edge of the part.
How often should I replace deburring blades?
Light workshop use (aluminium, brass, intermittent steel work) — every 50-100 hours of accumulated use, or when cutting performance noticeably drops. Production steel deburring — every 10-20 hours of accumulated use, or whenever a part requires visibly more pressure than the previous one. Stainless steel work — 2-3x more frequent than mild steel because of work-hardening. Replace immediately if you see any chip, crack, or distortion at the cutting hook. Buy in 10-packs ($2.50-$3.50 per blade) to make frequent replacement economical.
Are AIMS-stocked deburring tools as good as Noga?
The Bordo and Shaviv tools stocked at AIMS are in the same global premium tier as Noga. Shaviv blades are forum-described as "gold standard" alongside Noga in Practical Machinist threads — the two brands compete head-to-head internationally with equivalent cutting performance. Bordo provides the AU-manufacturer alternative with strong local supply depth (1,295-unit inventory on top SKU at AIMS). Noga's recognition advantage is brand name visibility in consumer searches; the cutting performance gap between Shaviv, Bordo, and Noga is minimal. AIMS does stock the Noga NG8150 promo set; specific Noga blade families can be sourced through the supplier network on request.
