5 Pcs 80 Grit Concave Arc Diamond Burr Ring Making Bits | 1/8'' Shank Diamond Burr for Gemstone, Agate, Rock, Ceramics, Glass, for Bracelet/Ring Making Tools for Rotary Tools
Special Features
Concave burr are made of 80# premium diamond particle for sharp cutting
All of diamond burs are 1/8'' shank fit rotary tools, drill and pneumatic power tools
Concave arc shape grinding head design suitable for bracelet / ring making
Great for field stone, ceramics, glass, agate, tile, marble , jewelry, rock etc
Be sure to cool the water (like a drip device in a hospital) when you carving
{"error":"Error","cart_limit":"You have too many items in your cart.","prod_limit":"You cannot add any more of this item"}
{"email":"Please enter your email address","email_i":"Invalid email address"}
Copyright © Tilga 2026, all rights reserved.