Chromium corundum (PA) Features: hardness and white corundum is similar, the toughness is higher than white corundum, abrasive cutting edge sharp, angular retention, high durability. Uses: Suitable for grinding of hardened steel, alloy steel cutting tools and workpieces and precision grinding of measuring instruments and instrument parts, etc., but also for forming grinding.
Pro, the specific size of the product is not very accurate, and some larger or smaller, specific to the size of the product itself.Do not mind the beat, thank you! !
A pack of 100, can not take 100 according to take the price to take! !