30Pcs Diamond Grinding Head Cylindrical Ball Nose 1.5-3.5mm Engraving Bits Burrs

30Pcs Diamond Coated Cylindrical Ball Nose Grinding Burrs Set Grit 150 Rotary Point Shank 3/32″ Code 13#/14#/15#/16#/17#-2.35mm New one box set of 30 Pcs diamond coated grinding burrs pointed heads in box set Specifications and shapes: Heads Shapes: Cylindrical Ball Nose Heads diameter: 1.5 / 2 / 2.5 / 3 / 3.5 mm ( Please select the Head Diameter which you need ) Quantity: Only 30 Pieces Total length: 45mm (1 3/4″ inch) Shank diameter: 2.35mm (3/32″) Suitable for electric nail drill, carving machine, machinery supporting assembly with a 3/32″ collet Grit: 150 medium Premium type diamond coated in grit 150 (medium), more durable than the ordinary diamond coated burr. Use with water as a lubricant is better Suitable for use in grind the edge of glass, marble, rock, jewelry, shells, tile and gemstone. Diamond grinding head is ideal tools for grinding mold, hard alloy, glass apparatus, jade carvings Regular Air postage from China to Worldwide and takes 10-30 days delivery to you home We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware. Just a friendly reminder: The Shank diameter of grinding bit is 2.35mm (close to 3/32″)There are two different collet sizes for Dremel: 3mm (1/8″) or Universal 3-jaw chuckIf your chuck of Dremel (models 4300-8050) has an Universal 3-jaw chuck, then the grinding bit can be installed directlyHowever, it is NOT suitable for dremel with 3mm 1/8″ chuck (such as:models 3000,4000)If your chuck of Dremel is 3mm (1/8″), maybe you need add the Universal 3-jaw chuck for Dremel