1-19/64" HSS Black & Gold Drill Bit with Reduced 1/2" 3-Flat Shank, Contractor Series BoltsandNuts.com Part Number: Assortment Kit #528528

Part Number: Assortment Kit #528528 Pieces - Fine Thread

Size: 1-11/32"

The thin walls and extended length of the socket allow you to reach deep into spark plug wells

Part Number: BIT-DMS04-1060

1-19/64" HSS Black & Gold Drill Bit with Reduced 1/2" 3-Flat Shank, Contractor Series BoltsandNuts.com Part Number: Assortment Kit #528528Product 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