W Nitro Heavy Duty Jobber Drill Bits 6 pack B1/2-20 x 1 1/8 5/16 x 5" Hex Lag

5/16 x 5" Hex Lag Bolt Stainless Steel 150 pack

21/64 Jobber Drills

Part # 170A16412

#49 Jobber Drills

W Nitro Heavy Duty Jobber Drill Bits 6 pack B1/2-20 x 1 1/8 5/16 x 5" Hex LagNeed a large quantity? Request bulk pricing here. W 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