#50 Nitro Heavy Duty Jobber Drill Bits 12 pack 1/2 x 2 Description -1 box:

Description -1 box:

Part # 172F14010

Part # MS90725-66

Part # 450T036

ADAPTER 6 pack - 1/2" F - 3/4" M Item # S47202

#50 Nitro Heavy Duty Jobber Drill Bits 12 pack 1/2 x 2 Description -1 box:Need a large quantity? Request bulk pricing here. #50 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