Related Products Electroplated diamond core drill, 25mm dia. 8mm shank. $33.00 excl GST 10″ economy sintered continuous rim lapidary blade. 250 x 1.2mm $82.00 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.