77071 Type 150-N Jobber Length TiN Coated NAS 907J 135Â degree Split Point Drill Bit (6 pack) 4.75" ID All internal passages are in-line

All internal passages are in-line and larger than the neighboring piping to ensure that maximum flow is present

while reducing operator fatigue

Yellow Belly™ remains flexible even in cold temperatures

Straight tooth Miter Gears are cut with a generated “Coniflex” tooth form providing increased life and quieter operating conditions

77071 Type 150-N Jobber Length TiN Coated NAS 907J 135Â degree Split Point Drill Bit (6 pack) 4.75" ID All internal passages are in-lineManufactured 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