Related Products Diamond lap disk 8” PSA backing 600 grit $48.00 excl GST Diaface diamond handpad 400 grit. $34.00 excl GST 400 grit silicon carbide, 1kg pot. $34.00 excl GST Electroplated diamond core drill, 40mm dia. 10mm shank. $48.00 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: 450040 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.