60 Grit Grinding Bit Sets_ 18 inch Shank Diamond Coated Cylinder Head Rotary Grinding Burrs 3mm 4mm 5mm 6mm 8mm

Cylindrical Grinding Drill Bits Material : Alloy ,diamond Shank Diameter : 3mm/ 1/8inch Head Diameter : 8mm/ 6mm/ 5mm /4mm/ 3mm Head Length : 11mm/ 0.43 inch Total Length : 45mm/ 1.8inch 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: 2pcs 3mm x 3mm head Diamond Grinding Burrs 2pcs 3mm x 4mm head Diamond Grinding Burrs 2pcs 3mm x 5mm head Diamond Grinding Burrs 2pcs 3mm x 6mm head Diamond Grinding Burrs 2pcs 3mm x 8mm head Diamond Grinding Burrs