39990 Type 260-D Screw Machine Length M42 Cobalt 135Â degree Split Point HSS Drill Bit (6 pack) 5.5mm Durable Connection

Durable Connection

Diametral Pitch: 8

Installing a lead-in will isolate high-vibration tools such as impact guns and air hammers from couplers

Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years

39990 Type 260-D Screw Machine Length M42 Cobalt 135Â degree Split Point HSS Drill Bit (6 pack) 5.5mm Durable ConnectionManufactured 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