Buy Fan Grinders Online in Australia
Fan Grinder (Flap Wheel) Selection — Quick Reference
Fan grinders (flap wheels / fan grinding wheels) — RADIAL FLAP arrangement of abrasive cloth. Workshop + production deburring + blending + paint preparation. Compress + flex on irregular surfaces — better than rigid wheels for contoured work.
| Fan Grinder Type | Best For |
|---|---|
| Flap Wheel (Spindle Mount) | Workshop + drill / die grinder |
| Mounted Flap Wheel (Bench) | Bench grinder fitment |
| Shaft-Mounted Flap Wheel | See shaft-mounted flap wheels |
| Aluminium Oxide Standard | Workshop steel + paint |
| Zirconia Premium | Stainless + tough material |
| Coarse (40-60 Grit) | Aggressive stock removal |
| Medium (80-120 Grit) | General workshop blending |
| Fine (180-320 Grit) | Pre-finish prep |
Critical: Match RPM RATING to spindle. PPE — face shield + leather gloves. Replace WORN wheels. Brands: Pferd, Klingspor, Norton. Companion: flap discs, shaft-mounted flap wheels, abrasives, grinders accessories.
Fan grinders — sometimes called flap wheels or fan-style abrasive wheels — are surface-finishing tools made up of overlapping abrasive flaps radiating from a central hub. As outer flaps wear, fresh abrasive is continuously exposed underneath, giving a long, consistent cutting life and a softer cut than a bonded grinding wheel.
Where they shine
- Blending weld toes and removing weld spatter on mild steel and stainless.
- Deburring sheared, cut or punched metal edges.
- Surface preparation before painting, plating or polishing.
- Cleaning rust, scale and old finishes off recoverable substrate.
Grit selection
40–60 grit for aggressive stock removal and blending. 80–120 grit for general finishing and deburring. 180–320 grit for fine surface preparation ahead of painting or polishing. Match the backing material to your work surface — aluminium oxide for steel, zirconia for stainless and harder alloys, ceramic for hardest steels and longest tool life.
People Also Ask — Fan Grinders
Q: What is a fan grinder (flap wheel), and why does it cut differently from a bonded grinding wheel?
A fan grinder — also called a flap wheel or fan-style abrasive wheel — is made from overlapping abrasive flaps radiating from a central hub. As the outer flaps wear away, fresh abrasive is continuously exposed underneath, giving long, consistent cutting life and a softer cut than a solid bonded grinding wheel.
Q: What tasks are fan grinders best suited to?
Fan grinders are used for blending weld toes and removing weld spatter on mild steel and stainless, deburring sheared, cut or punched metal edges, surface preparation before painting, plating or polishing, and cleaning rust, scale and old finishes off surfaces worth recovering.
Q: Which grit range suits aggressive stock removal versus fine finishing on a fan grinder?
40-60 grit suits aggressive stock removal and blending. 80-120 grit suits general finishing and deburring. 180-320 grit suits fine surface preparation ahead of painting or polishing.
Q: Should I use aluminium oxide, zirconia or ceramic backing on a fan grinder?
Match the backing material to the work surface: aluminium oxide for steel, zirconia for stainless steel and harder alloys, and ceramic for the hardest steels where the longest tool life is needed.
Q: What safety precautions apply when using a fan grinder?
Match the wheel's RPM rating to your spindle speed, wear a face shield and leather gloves, and replace wheels once they're worn rather than continuing to use a degraded wheel.