Descripción

30-Piece Diamond Needle Grinding Tool Set Engraving Accessories Grinding Points Jade Engraving Tools
Shank diameter: 3mm (optional.If you need 2.35mm, please leave a message after purchase and we will change it for you.)

feature:
The grinding needle is coated with high-quality diamond, which is more durable than ordinary diamond-coated burrs. This grinding tool is best used with water and lubricant to increase its service life. Diamond needles are suitable for grinding glass, marble, rocks, jewelry, shells, tiles and gemstones. The quality is guaranteed and the durability is high, you can use it with confidence. Highly practical, the high quality of diamond needles can maintain their high practicality for a long time.

Specification:
Item Type: Micro Engraving Drill Bit
Material: steel, diamond
Length: Approx. 45mm/1.8 inches
Outer diameter:
Approximately 1mm/0.04in (10 pieces)
Approximately 2mm/0.08in (10 pieces)
Approximately 3mm/0.12in (10 pieces)
Shank diameter: 3mm (optional.If you need 2.35mm, please leave a message after purchase and we will change it for you.)

packing list:
30*Diamond drill bit