1. The diameter of the thousand impeller is usually 250mm, the thickness is generally 20-50mm, and the common granularity is 40-600. It is generally used for the initial grinding of stainless steel and the grinding of thousands of impellers.

2. The diameter of the nylon wheel is usually 250mm-350mm, the thickness is generally 20-30mm, and the common grain size is 120-400. The nylon wheel has soft and hard points for the stainless steel nylon wheel drawing or sand surface effect.