Related Products Flat diamond grinding wheel 6” x 1.5” 600 grit $175.00 excl GST 8″ lap backing plate with one threaded adapter $140.00 excl GST Diamond saw blade 200 x 0.3 mm thin, angled tooth. $30.00 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.