#4 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (3/16" - 7/8" by 1/16") Shopify Collective Part Number DWDRSD1-1/32

Part Number DWDRSD1-1/32

Part Number: DUR226-95-OFG

Part Number DWDST55/64

Part Number DWDTSCT31/32

Part Number D/ASTCO7/16

#4 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (3/16" - 7/8" by 1/16") Shopify Collective Part Number DWDRSD1-1/32Product 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