Hmt Versadrive Hss-Cobalt Drill Bit 4.2Mm (M5 Tap Size) 209010-0042
Simply the best long-life twist drill bits for Metal All VersaDrive™ Drill Bits can be used in any standard 1/2" drill chuck for cordless or pistol drill use, or adapted for use in a Magnet Drill or Impact Wrench.
Fast drilling with minimal kickback; dual hardened for impact wrench use up to 10mm
Precision Ground Flutes; with deep web design for easy chip clearance.
135 Split Point for easy starting and high accuracy
8% Cobalt for long life and endurance in structural steel and hard metals.
GoldMax Low Friction Titanium Coating to stop heat burn out
High Strength, Non-Slip Shank Design