uxcell 15 Pcs Abrasive Mounted Stone 1/4" Shank 1" Dia Cylindrical Corundum Grinding and Polishing Head for Engraving Rotary Tool

Descriptions: This corundum grinding stone has high hardness, toughness, and good stability. Suitable for grinding of medium and high tensile strength metal materials. It is widely used for rough grinding of ordinary steel, such as carbon steel with low hardness, general alloy steel, malleable cast iron, hard bronze, cutting tools, workpieces, etc. Also for form grinding. Can be installed on electric tools such as grinders, grinding machines to deburring, surface grinding, time-saving. Available in 2 shapes and multi sizes. Ordinary grade grinding head, the size may shrink, please choose according to actual needs. Tips: The new corundum grinding bit should be tried at a low speed before use. If there is a jumping problem, do not continue to use it. Please press gently and avoid shaking. The corundum grinding bit is used to grind workpieces. If excessive force is applied, the grinding powder is not easy to remove. Flying chips may be generated during use. Please use jigs, non-slip finger stall, and wear protective glasses when using this corundum grinding bit. Specifications: Material: Brown Fused Alumina (Aluminium Oxide) Shape: Cylindrical Granularity: 80 Grit Shank Finish: Nickel Plated Shank Material: Carbon Steel Shank Diameter: 6mm/1/4-inch Head Diameter: 25mm/1 inch Total Length: 50mm/1.97 inch Required Line Velocity: higher than 10-20m/s Package: 15 Packs of Mounted Grinding Point Stone Heads