I Nitro Heavy Duty Jobber Drill Bits 12 pack impact #40 Aircraft Extension Drill Bits

#40 Aircraft Extension Drill Bits 12" Length Black Oxide - Pack of 6

Part # MS24693-52B

FZD sealing washer below the precision-defined depth control stop

Part # MS35308-362

I Nitro Heavy Duty Jobber Drill Bits 12 pack impact #40 Aircraft Extension Drill BitsNeed a large quantity? Request bulk pricing here. I Nitro Heavy Duty Jobber Drills 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 surface treated for