Step Drill Bit 3pcs Set 3-12mm, 4-12mm, 4-20mm DIY & Home Tools

Features:

for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

coated to reduce heat treated and highly polished. Drills perfectly round holes in steel, brass, plastic, wood etc.

3 sided shanks design in order to slippage when in chuck

Two flute design drives faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps

Specifications:

Length:

3-12mm Length: Approx. 7.9cm/ 3.11"

4-12mm Length: Approx. 6.7cm/ 2.64"

4-20mm Length: Approx. 7.4cm/ 2.91"

Material: High speed steel

Color: Black

Package Contents:

3x Drill Bits