●????. Shank diameter: 1/4inch (6mm) , diamond mounted grinding head perfect for jade grinding, mold repairing, glass carving, cast cleaning, burr welding, polishing ●????. These diamond grinding drill bits fits most of electric machine, rotary drills and grinders. ●????. Diamond burr sets 1/4" shank great for grinding most of hard material ,such as iron ,glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, metals ●????. Multiple shapes diamond bit : such as Sphere, cylinder, bullet, taper head shape helps do different work like drilling holes, grinding, graving, ●????. Good gift for DIY enthusiast hobbyist or craft fan, wear-resistant, maintain sharpness, not easy to fall off. (Note: use water for coolant, keep drill Smooth rotation)
[fine diamond burr set]
[coarse Diamond Burr set]
Description
Coarse diamond grinding burr sets
Shank Material : Alloy ,
Shank Diameter : 6mm/ apro 1/4 inch
Head Diameter : 8mm
Total length: 2-3/8" (60mm)
Grit : 60 (coarse) or 120 ( fine ) , please select the grit what you needed.