The bits in this set have rubber blended into the abrasive, which cushions during grinding to produce a smooth to extrasmooth surface texture. Grinding Bits for Stainless Steel Bits stay cool during grinding so they won't mar or discolor stainless steel.
Oct 12, 2017· Ball mill is a fine grinder. A horizontal or vertical rotating cylinder which is filled partially with the balls of ceramics, small rocks and balls made from stainless steel. The ball charge of a SAG mill is about 29% to 30%. By friction and influence of tumbling balls .