77231 Type 150-N Jobber Length TiN Coated NAS 907J 135Â degree Split Point Drill Bit (6 pack) 80mm ID Operating Pressure 0 to 140

Operating Pressure 0 to 140 PSI

Product Note: BOStonE F-1 bearings may be green

All of this yields a strong

You can vary motor speed between 300 and 3

• Recommended for non-ferrous metals

77231 Type 150-N Jobber Length TiN Coated NAS 907J 135Â degree Split Point Drill Bit (6 pack) 80mm ID Operating Pressure 0 to 140Manufactured 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