Diamond coated Grinding Drill Bits sets
Material : Alloy ,diamond
Shank Diameter : 6mm/ 1/4 inch
Total length: 2-3/8" (60mm)
Grit : 60 (medium)
Heads Shapes: Sphere, cylinder, bullet, taper
Can applied to hard material below:
1. sandstone and marble, granite, basalt, limestone, dolomite
2. floor tiles, glaze, underglaze, blue and white, pink ancient, wall tiles
3. Iron, aluminum, stainless steel
4. precious stone, metals

Package include:
20pcs x 60 grit Diamond Grinding Burrs

Shank diameter: 1/4 inch (6mm), head diameter: approx 6mm - 10mm; Suitable for jade grinding, mold repairing, glass carving, cast cleaning, burr welding, polishing
Compatible with most electric machines, rotary drills, and grinders with 1/4 inch (6mm) shank
Suitable for grinding hard materials such as iron, glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, and metals
Multiple head shapes available: sphere, cylinder, bullet, and taper; Facilitates various tasks like drilling holes, grinding, and graving
Durable and sharp: Wear-resistant, maintains sharpness, and reduces the chances of falling off; Note: Use water as a coolant for smooth operation