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Ships within 48 hours · Estimated delivery Oct 23 - Oct 28
Diameter/Pitch: 2"-11-1/2
Diameters: 3/8"-16
Part Number: BIT-DWDSP7/16
Part Number: BIT-DMS73-2130
#4 HSS Black & Gold Step Drill Bit (3/16" - 7/8" by 1/16") Shopify Collective Diameter/Pitch: 2"-11-1/2Product 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
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