Related Products Sintered diamond point 7.5mm dia, 3mm shank $20.00 excl GST 220 grit silicon carbide, 1kg pot. $30.00 excl GST 10″ economy sintered continuous rim lapidary blade. 250 x 1.2mm $82.00 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 Product code: 450010 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.