40450 Type 260-D Screw Machine Length M42 Cobalt 135Â degree Split Point HSS Drill Bit (12 pack) Low Base When used with Boston Gear

When used with Boston Gear worms

• Cobalt steel is abrasion and heat resistant

Body Material T316 Stainless Steel

Size 63- 16mm Diameter x 40mm Usable Length

brass & bronze

40450 Type 260-D Screw Machine Length M42 Cobalt 135Â degree Split Point HSS Drill Bit (12 pack) Low Base When used with Boston GearManufactured 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