X-LOCK SfM 125 x 6 mm T27. Reliable choice for metal. The X-LOCK Standard for Metal grinding wheel is a dependable option for metal grinding tasks. It features aluminum oxide abrasive grain and functional fillers and additives in a phenolic resin matrix, making it suitable for metal. Maximum work safety is ensured thanks to the optimized fiberglass fabric made of three layers. The X-LOCK Standard for Metal grinding wheel is a trustworthy choice for grinding metal. Its aluminum oxide abrasive grain and the functional fillers and additives with phenolic resin matrix are well-suited for general metal work. The optimized three-layer fiberglass fabric of the wheel guarantees maximum protection during use. Bosch grinding wheels meet the highest safety requirements, such as EN 12413. This wheel is designed for grinding metal. Thanks to the tool-free X-LOCK system, the grinding wheels can be changed quickly and easily. X-LOCK grinding wheels are also compatible with standard angle grinders.