Related Products Flat diamond grinding wheel 8” x 2” 240 grit $250.00 excl GST 12 x 12mm diamond bands, soft type 120 grit $18.00 excl GST Hard diamond grinding disk (for angle grinder) 4” dia 50 grit $35.00 excl GST Quantity Add to cart Product added to wishlist. Description Electroplated, steel backed grinding disks. 50 grit. 100mm dia. Useful on glass or stone. Normally used on a water fed angle grinder, but will work dry. Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share Product code: 314050 Category: Grinding disks. Tags: diamond tools, glass work, Grinding wheels, lapidary.