#60 Nitro Heavy Duty Jobber Drill Bits 12 pack 1/4-28 x 1/2 Part # MS51959-111

Part # MS51959-111

Part # MS51960-63

Part # MS90726-178

#6 Aircraft Extension Drill Bit 6" Length Cobalt - Pack of 6

Self-drilling fasteners means there is no need to pre-drill rafters

#60 Nitro Heavy Duty Jobber Drill Bits 12 pack 1/4-28 x 1/2 Part # MS51959-111Need a large quantity? Request bulk pricing here. #60 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