31/64 Nitro Heavy Duty Jobber Drill Bits 6 pack aircraft Part #910S5UM-50

Part #910S5UM-50

Part # MS35206-286

B Heavy Duty Jobber Drills

#5 Jobber Drills

1/16 Aircraft Extension Drill Bit 6" Length Cobalt - Pack of 6

31/64 Nitro Heavy Duty Jobber Drill Bits 6 pack aircraft Part #910S5UM-50Need a large quantity? Request bulk pricing here. 31 64 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