O Nitro Heavy Duty Jobber Drill Bits 6 pack n14 1/16 Aircraft Extension Drill Bit

1/16 Aircraft Extension Drill Bit 6" Length Black Oxide - Pack of 6

#4 Heavy Duty Jobber Drills

Part # BH038F150N

Part # MS51957-67

O Nitro Heavy Duty Jobber Drill Bits 6 pack n14 1/16 Aircraft Extension Drill BitNeed a large quantity? Request bulk pricing here. O Nitro Heavy Duty Jobber Drills Pack of 6 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 surface treated for