#12 Nitro Heavy Duty Jobber Drill Bits 12 pack B1-8 x 4 1/2 Part # 1180A006

Part # 1180A006

Part #137S10T200SS-1000

#32 Heavy Duty Jobber Drills

Part #301031CSS-1000

Part # MS15795-816B

#12 Nitro Heavy Duty Jobber Drill Bits 12 pack B1-8 x 4 1/2 Part # 1180A006Need a large quantity? Request bulk pricing here. #12 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