Related Products 14″ economy sintered continuous rim lapidary blade. 350x 1.3mm $180.00 excl GST Sintered diamond point 4mm dia, 3mm shank $20.00 excl GST Electroplated diamond core drill, 15mm dia. 8mm shank. $22.00 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: 450015 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.