Based on this product's specifications, here are some alternatives and similar models
Grinding disc Bosch X-LOCK R444 Expert for Metal 115 mm (O 115 mm, K 100)
Summary description:
Bosch X-LOCK R444 Expert grinding disc for metal, 115 mm diameter, designed for X-LOCK quick-change angle grinders. Marked O 115 mm, K 100, this abrasive disc is intended for metal grinding and surface preparation tasks. Suitable for removing welds, burrs and rust, it provides efficient material removal on steel and other ferrous metals when used with compatible X-LOCK systems.