79940 Type 150-N Jobber Length TiN Coated NAS 907J 135Â degree Split Point Drill Bit Set (#1-60) 48" Extension dimensions are the same (except

dimensions are the same (except "z" is longer

The increased locking area offers longer seal life and resistance to movement

95) and 30 psi dead-end pressure (1910

• Shorter than Jobber length increases rigidity and improves drilling performance

79940 Type 150-N Jobber Length TiN Coated NAS 907J 135Â degree Split Point Drill Bit Set (#1-60) 48" Extension dimensions are the same (exceptManufactured 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 nitride coating for lubricity and extended tool life. Click Here for product catalog Proudly Manufactured in the U. S. A