Holds up to 1.5 times longer than a Bosch standard cutting disc for metal. Are you looking for a durable cutting disc for stainless steel and metal? Then the PRO Stainless Steel and Metal is the right choice. It is equipped with premium quality abrasive grains, allowing you to benefit from its performance for a long time. The PRO Stainless Steel and Metal bonded cutting disc features premium aluminum oxide grains to ensure you achieve fast and effective cuts in stainless steel and metal. We have combined the grains with functional fillers and embedded them in a phenolic resin matrix for strength, heat resistance, and reliable grinding performance. The disc is reinforced with high-quality fiberglass to ensure safer use. It is free from iron, so you don't have to worry about rust on your workpiece when cutting stainless steel. It has a bore diameter of 22.23 mm for standard angle grinders with a clamping nut.