#4 Nitro Heavy Duty Jobber Drill Bits 12 pack 7 x 5/16 Part # 1100C107

Part # 1100C107

Part # MS51861-45C

9/64 Heavy Duty Jobber Drills

Part # 450T106

3/32 Aircraft Extension Drill Bits 12" Length Black Oxide - Pack of 6

#4 Nitro Heavy Duty Jobber Drill Bits 12 pack 7 x 5/16 Part # 1100C107Need a large quantity? Request bulk pricing here. #4 Nitro Heavy Duty Jobber Drills, High Speed Steel Pack of 12 Manufactured from a premium grade of M 7N molybdenum high speed steel. The Nitro Heavy Duty 135 degree Split Point drill with a Nitride surface treatment that give a hard protective layer to the drill (increases hardness without increasing brittleness) which is measurably harder than high speed steel. Body and clearance are gold and black