Related Products Spherical radiused grinding wheel 6” x 1.5” 600 grit $175.00 excl GST 10″ economy sintered continuous rim lapidary blade. 250 x 1.2mm $75.00 excl GST 6″ economy sintered continuous rim lapidary blade. 150mm x 0.8mm $45.00 excl GST Electroplated diamond core drill, 25mm dia. 8mm shank. $33.00 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: 450025 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.