Related Products 120 grit silicon carbide, 1kg pot. $26.00 excl GST Electroplated diamond core drill, 50mm dia. 10mm shank. $55.00 excl GST Diamond lap disk 8” PSA backing, 60 grit $60.00 excl GST Electroplated diamond core drill, 10mm dia. 8mm shank. $16.00 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: 450010 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.