Find your local contact. Chicago Pneumatic CP875 1/4-Inch 90 Degree Angled Air Die Grinder This is a well known CP angle grinder. Die Grinders. Air die grinders, also known as pneumatic die grinders, are used for grinding, shaping, polishing, finishing and removing material from a workpiece. It is actually advisable to go for a pneumatic die grinder because the cordless type loses charge frequently and the corded electric is … Toggle. They are operated by compress air. About MSC. Free Speed; 12000 rpm (12) 15000 rpm (7) … Events … The Valu-Air ¼-Inch Mini Angle Air Die Grinder is a highly durable and strong grinder made … Dealers locator. Find you closest dealer. It is a pneumatic tool that can do everything from simple paint stripping to chip and metal … A: An air compressor works best with a pneumatic die grinder. More. Learn about professional power tools from Metabo now. Pneumatic die grinder from Metabo - High-quality, reliable and long-lasting. The weight and construction of air die grinders are essential factors to look out before making the purchase.