39820 Type 260-D Screw Machine Length M42 Cobalt 135Â degree Split Point HSS Drill Bit (12 pack) 0.312" ID 7% of solids and fluids

7% of solids and fluids down to 0

Featuring a compact

abrasion resistance extended tool life

the SNASTRS has an eccentric locking bearing insert

Manual 6 Ball Couplers offer six locking pawls that create a more durable

39820 Type 260-D Screw Machine Length M42 Cobalt 135Â degree Split Point HSS Drill Bit (12 pack) 0.312" ID 7% of solids and fluidsManufactured from M42 High Speed Steel contains 8% Cobalt increasing hot hardness. High hot hardness of cobalt permits speeds 30% over regular high speed steel drills. Titanium Aluminum Nitride Can be used in machining stainless steel, nickel based and titanium alloys, not recommended for aluminum. Use to drill hard, tough metals, free machining stainless steel, titanium alloys and certain abrasive plastics. Click Here for product catalog Proudly