T Nitro Heavy Duty Jobber Drill Bits 6 pack 1/2 x 1 3/4 06"T) Item # M10026

06"T) Item # M10026

Part #251037L0600SS-100

Part # MS35190-325

Part # MS51957-52B

Part # 1280A027

T Nitro Heavy Duty Jobber Drill Bits 6 pack 1/2 x 1 3/4 06"T) Item # M10026Need a large quantity? Request bulk pricing here. T 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