2 Pcs 5/8'' Diamond Drill Bit Head for Stained Glass Grinder, Brass Core Glass Grinding Tool Supplies

This stained glass grinder bit comes with a chromium-plated and hardened surface, which boosts its overall working performance, structural strength and service durability.

• This stained glass grinder bit comes with a chromium-plated and hardened surface, which boosts its overall working performance, structural strength and service durability.
• The chromium-plated hardened finish provides an extra protective layer, effectively preventing the bit from wear and damage during use.
• Built with a brass core, the bit can reduce shaft binding and avoid sticking to the grinder’s shaft during operation.
• The working surface is coated with diamond abrasives, and the diamond-bonded layer adopts a double-plating process to ensure high structural strength.
• These diamond grinder bit heads are suitable for shaping and drilling stained glass, stone, tiles and ceramic tiles; they are compatible with most brands of glass grinders. 2*5/8 inch drill bit heads and the size of 1.30 × 0.59 inches.