MURAKO Shaft-mounted flap without fittings, outer diameter 40, width 20, shaft diameter 6mm, 100# KN4020, 10 pieces

Catalogue number: KN4020 Features: ●The biggest feature is that there are no metal fittings above or below the flap wheel, so it will not hit or scratch the workpiece. ●Can be used for all types of polishing, including internal surfaces, curved surfaces, and flat surfaces. ●Has a great heat dissipation effect and is less likely to burn the workpiece. ●Has a self-regenerating effect that allows it to constantly polish with new abrasive grains, resulting in stable polishing power. ●Adapts well to the shape of the workpiece. Applications: ●Grinding and polishing of iron and stainless steel. ●Polishing before painting. ●Removing scratches. ●Polishing the internal surfaces of pipes. ●Removing rust. ●Removing burrs. ●Surface polishing. ●Removing burns after welding. ●Electric grinders, electric drills, drill presses, etc. ●Tools used: Straight grinder. Specifications: ●Grit (#): 100 ●Outer diameter (mm): 40 ●Width (mm): 20 ●Shaft diameter (mm): 6 ●Shaft length (mm): 40 ●Number of blades (pieces): Approximately 84 ●Maximum operating speed (rpm): 20000 ●Abrasive grain: Alundum ●Maximum operating speed: 20000rpm Material/Finish: ●Shaft: Steel (S45C) Caution: ●Please check the contents of the instruction manual included with the product. ●Make sure to insert the shaft into the rotating tool by more than 2/3 of the shaft length and attach it securely. ●If you press it too hard, the shaft may bend or break.