Related Products Expanding drums, 6″ x 2.5″ $170.00 excl GST 12 x 12mm diamond bands, soft type 1500 grit $15.00 excl GST Diamond saw blade 400 x 1.5mm (16″) $145.00 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 TweetPin It Product code: 450040 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.