Related Products Resin diamond belt, 8″ x 3″ 140 grit $85.00 excl GST 12mm diamond band mandrels $12.00 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 TweetPin It Product code: 450006 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.