Step Drill Bit Set 3-12mm 4-12mm 4-20mm HSS 4241 Titanium Coated Straight Flutes Hex Shank for Metal Wood Plastic 66x45x0.3mm Model: ME-8111

Model: ME-8111

Zinc alloy will resist wear and rust over time

Add cutting fluid to protect the cutting edge and make the cutting smoother when working

a support frame and a protective sleeve should be installed

Step Drill Bit Set 3-12mm 4-12mm 4-20mm HSS 4241 Titanium Coated Straight Flutes Hex Shank for Metal Wood Plastic 66x45x0.3mm Model: ME-8111Features: Laser marking makes the size more clear; High speed steel for longer service life; Used on electric drills and drill presses; Double cutting edges design enables a faster and smoother cutting; Hexagonal shank prevents slip in electric drills and presses chuck; X type openings design to facilitate the removal of cutting waste when drilling; The sharpness and titanium coating ensure easily cut through most metal, aluminum, plastic, wood and