Related Products Diamond saw blade 400 x 1.5mm (16″) $135.00 excl GST 4″ dia polishing felts, velcro backing. $15.00 excl GST Expanding drums, 8″ x 3″ $200.00 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.