#1 Nitro Heavy Duty Jobber Drill Bits 12 pack a 7/16 Aircraft Extension Drill Bits

7/16 Aircraft Extension Drill Bits 12" Length Black Oxide - Pack of 3

19/64 Aircraft Extension Drill Bits 12" Length Black Oxide - Pack of 6

7/16 x 12 1/4 SDS Plus Dura-Tip Masonry Drill

Part # MS90726-196

Part # BH038C500N

#1 Nitro Heavy Duty Jobber Drill Bits 12 pack a 7/16 Aircraft Extension Drill BitsNeed a large quantity? Request bulk pricing here. #1 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