Related Products Diamond lap disk 8” PSA backing 3000 grit $48.00 excl GST Electroplated diamond belt, 6″ x 2.5″ (150 x 65mm) 120 grit $185.00 excl GST Hard diamond grinding disk (for angle grinder) 4” dia 50 grit $35.00 excl GST Electroplated diamond core drill, 25mm dia. 8mm shank. $33.00 excl GST Quantity Add to cart Product added to wishlist. Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share Product code: 450025 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.