Bordo Step Tip Drill 4-32mm Co5 (Cobalt) TiAlN 3-Flat Round Shank
Available
Bordo step drill bits drill multiple hole diameters in sheet metal and thin materials with a single tool. The Step Tip Drill 4-32mm Co5 (Cobalt) TiAlN 3-Flat Round Shank is part of Bordo's comprehensive Australian cutting tool range — trusted by engineers, tradespeople, and machinists across industry and manufacturing.
Where this product is used
Step drills drill and deburr in one operation — each step is a different diameter, making them ideal for sheet metal work where multiple hole sizes are needed.
- Stepped hole sizing in sheet metal, aluminium, and thin steel without a pilot hole
- Electrical trade knockout drilling and hole enlargement in enclosures and panels
- Sheet metal fabrication where multiple hole sizes are needed from one tool
Key specifications
| Material | HSS-Co (Cobalt) |
| Size | 4–32mm |
Selecting the right option
Step drills are designed for thin material — sheet metal, conduit, aluminium extrusion. The step diameter range must cover the hole sizes needed. Cobalt step drills outlast standard HSS on stainless steel and hard alloys. Use a centre punch to prevent the tip from wandering on smooth surfaces.
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