20mm buy 90 Dregree Electroplated Diamond Cone Chamfer Grinding Head Stone Glass Chamfering Head 20-60mm cone

Conical Electroplated Diamond Countersink Drill Bit Grinding Glass Hole Arris Stone trimming
Usage: Grinding glass hole or edge
Material: Metal base and Electroplated Diamond
This series of tapered grinding heads are forged from high-quality 45-gauge steel. The surface is made of high-strength synthetic diamonds, which are wear-resistant and highly efficient. This product is suitable for boring high hardness metals, such as hard alloys, quenching or nitriding tools, alloy steel knives, mold deburring, shaping, chamfering, polishing, and fixtures. It can also buy be used for hardness. Processing of high and brittle non-metallic materials such as glass, ceramics, jewellery and jade.
Shank: Straight
Shank Size: 10mm for 50 55 60mm,8mm for 20 25 30 35 40 45mm.