Dual Spiral Flutes on VACO Step Drill Bits help pull the step bit through material for faster cutting. The Titanium Nitride coating extends the life of the cutting edge. Convenient to use with an impact driver and drill, the 1/4-Inch hex shank provides a firm, positive grip. Available in five step bit sizes with commonly used hole sizes for steel (up to 16 gauge), plastic, aluminum, and wood.

• Step Drill Bit has 2 spiral flutes to remove chips and help pull the bit through material for faster cutting.
• Titanium nitride coating dissipates heat for longer bit life.
• 1/4-Inch hex shank for firm, positive grip in impact driver and standard drill.
• Split point tip quickly starts hole cuts and prevents drifting when pressure is added.
• Laser-etched hole size markings for quick size identification.
• For use on steel (up to 16 gauge), wood, plastic, and aluminum.
• 12 hole sizes.