1-17/64" HSS Black & Gold Drill Bit with Reduced 1/2" 3-Flat Shank, Contractor Series BoltsandNuts.com narrow spaces

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Part Number D/ACO57/64

Size 7/8"-90

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Internal Thread: #10-32

1-17/64" HSS Black & Gold Drill Bit with Reduced 1/2" 3-Flat Shank, Contractor Series BoltsandNuts.com narrow spacesProduct Description Contractor grade drill bit manufactured from M1 High Speed Steel and for use in a wide range of materials in the iron and steel families such aluminum, iron, steel and other metal drilling. Contractor Drill Bits have a 135 degree split point tip for self centering and reducing thrust. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. They are black and gold surface treated. Reduced Shank Drills