Drill bit core drill hole drill drilling crown core drilling diameter: 20mm

This has a twist drill bit inside with the sharp carbide teeth it s perfect for fast cutting off clean round holes :) The is made from carbide steel and designed in a sharp and solid in order to make the product more stabilized and service long with lower consumption. It suitable for hand electric drill stand motor drilling machine and mobile ribbon type magnetism drilling machine. Cutting quick and precise holes in stainless steel mild steel iron copper brass and wood. Material : Carbide steel Colour:As the shows Depth it can drill : Approx. 20mm Length : 7cm Outside Diameter：20mm Note : Only include 1 piece Package includes : 1 x Carbide Tip Metal Cutter Note:Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3 cm.