5/64 Nitro Heavy Duty Jobber Drill Bits 12 pack 8-18 x 1/2 31/64 Heavy Duty Jobber Drills

31/64 Heavy Duty Jobber Drills

Part #361031SS-100

Part #11114A300SS-500

Part # BH088F350N

5/64 Nitro Heavy Duty Jobber Drill Bits 12 pack 8-18 x 1/2 31/64 Heavy Duty Jobber DrillsNeed a large quantity? Request bulk pricing here. 5 64 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