Related Products Diamond soft grinding wheel 6” x 1.5” 600 grit $140.00 Flat diamond grinding wheel 6” x 1.5” 60 grit $170.00 Out of Stock Diamond lap disk 6” PSA backing 100 grit $30.00 Electroplated diamond core drill, 50mm dia. 10mm shank. $55.00 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: 6b16e7e79f10 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.