Related Products Electroplated diamond core drill, 8mm dia. 8mm shank. $13.00 Electroplated diamond belt, 6″ x 2.5″ (150 x 65mm) 220 grit $175.00 Flat diamond grinding wheel 6” x 1.5” 60 grit $175.00 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.