DIY 30Pcs Tip Grinding Diamond Burrs Nail Drill Bits for Rotary Tools 3mm

Diamond mounted point

Diamond mounted point and diamond burs with a large variety of specifications are extensively used for sculpturing,dressing,precision grinding and internal grinding carbide,ceramic,glass,precious stone,alloy and many other abrasive material.all sizes,shapes,assortments are upon your specific request.kit assortments of mounted points&burs are flexible.

1 .length -- 45mm

2.shank dia:3mm

2 .diamond grit ---#80~#200 available

3 .coated -- nickel,titanium available

4 .smooth cutting surface and long lifespan

5.packing--30pcs/set ,or upon customer's request