Note: Supporting the drive tool fixture concentricity is better, is strictly prohibited and different use of the fixture supporting the use of the handle must be clamped, folder is running. The operation is strictly prohibited shaking phenomenon, cutting direction should move from right to left, do not Too much force to prevent bounce, impact, handle length of more than 80MM should be slow down operation, to prevent chip flying, please use protective glasses. Double cut carbide burr suitable for soft materials such as aluminum, plastic, wood, etc. Single cut carbide burr suitable for hard materials such as iron, copper and steel Suitable for mold manufacturing, mechanical chamfering and deburring, welding and metal non-metal processing engraving, etc. High production efficiency, the processing efficiency is several times higher than file, nearly 10 times higher than small wheel stalk Read more Can be processed cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, and marble, jade, bone and other non-metallic. Processing hardness up to HRA<85. Read more M model Carbide Burr F model Carbide Burr L model Carbide Burr F model Carbide Burr C model Carbide Burr 1/4" Shank ✓ ✓ ✓ ✓ ✓ Cutter Tip Dia 1/2" ✓ ✓ ✓ Cutter Tip Dia 14mm ✓ ✓