#15 Nitro Heavy Duty Jobber Drill Bits 12 pack B3/4-10 x 3 1/4 5/8 x 36 Masonry Drills

5/8 x 36 Masonry Drills Carbide Tip Bright SDS MAX

7/16 x 18 SDS Plus Dura-Tip Masonry Drill

#13 Jobber Drills

#9 Heavy Duty Jobber Drills

Part #137S10T150SS-2500

#15 Nitro Heavy Duty Jobber Drill Bits 12 pack B3/4-10 x 3 1/4 5/8 x 36 Masonry DrillsNeed a large quantity? Request bulk pricing here. #15 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