These High Speed Steel Drill Bits Are Manufactured With A Titanium Nitride Coating For Enhanced Strength And Longer Life. Fully Ground With A 135° Split Point For Precise Centring To Prevent Drill Wander. Draper Titanium Series Drill Bits Work Best In Conjunction With A Cooling Agent. Suitable For Use With Steel Non-Ferrous Metals Wood And Hard Plastic. Compatible With A Standard 10/13Mm Chuck.PTDDRPDIR08867
