30 pcs Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary

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.

YIYAN diamond burrs
1. They will fit your hand drill, drill press & your Rotary tool and Die grinder.
2. included 1mm, 1.5mm, 2mm, 2.5mm & 3mm sphere (ball) shape bits.
3. Overall length is 40mm to 50mm (1 5/8 inch to 2 inch)
4. Shank diameter : 3mm
5. premium type diamond coated in GRIT 120 (medium)
6. suitable for glass, marble, rock or jewelry.

1. Reply your enquiry within 24 hours.
2. Experienced staffs answer all your questions in professional Manner, proficient in English.
3. Customized design is available.
4. Factory product pricing and lowest possible transportation cost.
5. Long term factory partners in advantage industrial belt, easier combination sourcing.
6. OEM & ODM are welcome.