Yanase sharpening ball KTM-7 AO220 1 piece

Catalogue number: KTM-7 AO220 Features: ● The ball-shaped abrasive coated with the grindstone bends due to the resin shaft, and fits even on uneven inner surfaces. Applications: ● Ideal for deburring the inside of cylinders and polishing the inside of cylinders. Specifications: ● Outer diameter (mm): 7 ● Shaft diameter (mm): 2 ● Suitable inner diameter (mm): 6.5-7 ● Total length (mm): 200 ● Abrasive grain: Alumina oxide ● Abrasive grain length (mm): 45 ● Φ6mm shaft ● Shaft length 45mm ● Total length 200mm Material/Finish: ● Alumina oxide