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The increased locking area offers longer seal life and resistance to movement
• Shorter than Jobber length increases rigidity and improves drilling performance
The spline design virtually elimi nates back lash which is a delayed action effect caused by excessive clearances between hub and discs
• Maintence free / lubricated-for-life
Note: For high-vibration and impact tool applications
79940 Type 150-N Jobber Length TiN Coated NAS 907J 135Â degree Split Point Drill Bit Set (#1-60) 48" Extension The increased locking area offersManufactured 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
