Related Products Diamond solid drills 1.5mm dia. $2.00 excl GST Expanding drums, 6″ x 1.5″ $150.00 excl GST Resin diamond belt, 6″ x 1.5″ (150 x 37mm) 600 grit $40.00 excl GST Electroplated diamond core drill, 30mm dia. 10mm shank. $38.00 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: 450030 Category: Core drills. Tags: core drills, Diamond drills, glass, glass work, lapidary.