80743 Type 150-ALN Jobber Length TiAIN NAS 907J 135Â degree Split Point Drill Bit (6 pack) 6.7mm or solid shaft input as

or solid shaft input as standard

air flows freely through the chuck

Does not mar the shaft

Boston Gear manufactures both 14 1/2° and 20° PA

80743 Type 150-ALN Jobber Length TiAIN NAS 907J 135Â degree Split Point Drill Bit (6 pack) 6.7mm or solid shaft input asManufactured from M42 HSS containing 8% cobalt which increases high red hardness. Cobalt drills require rigidly held positive feed drilling equipment. Titanium Aluminum Nitride can be used in machining stainless steel, nickel based and titanium alloys, not recommended for aluminum. Manufactured to NAS 907J specifications. Titanium aluminum nitride designed for use where extreme temperatures are found, allows for increased machining speeds up to 200%.