Drill bit hole saw core drill hole drill drilling diameter: 28mm

This hole saw has a twist drill bit inside with the sharp carbide teeth it s perfect for fast cutting off clean round holes :) The gears is made from carbide steel and designed in a sharp and solid way in order to make the product more stabilized and service long with lower consumption. It suitable for hand held electric drill stand motor driven 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 picture shows Depth it can drill : Approx. 20mm Length : 7cm Outside Diameter：28mm Note : Only include 1 piece Hole Saw Package includes : 1 x Carbide Tip Metal Cutter Hole Saw Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.