#2 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (3/16" - 1/2" by 1/16") Quantity:1 Flute Length 3-15/16"

Flute Length 3-15/16"

The set includes a range of ball-end hex L-keys

Part Number: BIT-DWDCOA

Guide marks etched into the foam help you cut the 15 mm thick molded foam layers

Part Number GLBCOX1237

#2 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (3/16" - 1/2" by 1/16") Quantity:1 Flute Length 3-15/16"Product 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