Related Products Resin diamond belt, 6″ x 1.5″ (150 x 37mm) 600 grit $40.00 excl GST 12″ economy sintered continuous rim lapidary blade. 300 x 1.2mm $100.00 excl GST Electroplated diamond core drill, 6mm dia. 8mm shank. $10.00 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: 450006 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.