#3 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (1/4" - 3/4" by 1/16") Quantity:1 Part Number T/A57009

Part Number T/A57009

Part Number: BIT-DMS04-1065

Part Number DEW1X6

Part Number DWTST1/2-14P

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 T/A57009Product 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