63mm 2.5 inch Diamond Hole Saws Drill Bit Masonry Drilling Tools for Stone Glass

Product Name: 2.5 inch masonry hole saw, Stone cutting bits, 63mm diamond hole saw, Granite hole bit Outside Diameter:63mm(2-1/2"); Hex Shank Diameter:10 mm (3/8"); Total length:65mm; Drill depth:30mm Excellent for making clean and accurate hole on stone, granite, marble, tile Diamond drill set with 3/8" hex shank that will fit cordless screwdrivers, drills or drill chuck NOT have center pilot drill;Start drill at 45 degree to surface and align to 90 degree as hole forms