#3 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (1/4" - 3/4" by 1/16") Quantity:1 Part Number: Assortment Kit #2901148

Part Number: Assortment Kit #2901148 Pieces - Coarse Thread

Part Number: BIT-DMS04-1065

Drill Size: 57/64"

Part Number DWDRSD24

#3 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (1/4" - 3/4" by 1/16") Quantity:1 Part Number: Assortment Kit #2901148Product Description Step drills have single radial concave flutes to create a perfectly round hole in metal, plastic wood and other thin materials without center punching. Constructed of industrial grade high speed molybdenum steel, heat treated and temperature for long life. Self starting tip. No center punching needed. Automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials. They are Black and gold surface