Art No.: 30602-17N

TiALN Coated, Spiral Flute

4-12mm, 4-20mm, 6-30mm

The step drill bits are ideal for electrical, plumbing and HVAC contractors. Typical step drill bit applications include electrical knockouts, running conduit, drawbolt holes, faucet installations, auto body work, running freon lines, edge boring steel and hollow doors;

Balance double flute eliminates chatter and vibration;

Resharpenable cutting edge provides longer tool life;

Three-flat shank for reduced slippage;

For use with all common drilling needs.

Drills clean, accurate holes in these thin materials (up to 1/8 In.): sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron.