Related Products Spherical radiused grinding wheel 6” x 1.5” 600 grit $175.00 excl GST Electroplated diamond core drill, 10mm dia. 8mm shank. $16.00 excl GST Electroplated diamond core drill, 30mm dia. 10mm shank. $38.00 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: 450030 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.