100mm 4 Inch Diamond Marble Glass Grinding Disc

- 100mm 4" diamond coated grinding disc wheel - Outside diameter: 4" (100mm) - Arbor hole: 5/8"(16mm) - Thickness: 1.3 mm - Grit: 60 Very Coarse - Max RPM: 12000 - Bowl-type grinding chip to cut hard and brittle materials such as glass, ceramics, marble, and metal circuit boards - High hardness and excellent impact resistance - Weight: 55 g(approx.)