Related Products Flexible resin diamond pad 100mm dia 200 grit $28.00 220 grit silicon carbide, 500g pot. $14.00 Electroplated diamond core drill, 35mm dia. 10mm shank. $42.00 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: 450035 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.