Diameter 0.5/0.6/0.7/0.8/0.9/1.0mm Engraving Tools Cemented Tungsten Carbide Pearl Drilling Bits

Brand Name:

ZZ GOOD

Place of Origin:

Hunan, China

Model Number:

0.5-4

Jewelry Tools & Equipments Type:

Drilling bits

Commodity:

Pearl drilling bit

Feature:

High wear resistance&good heat and corrosion resistance

Application:

For drilling hole in the pearl, jade,jewelry

Material:

Tungsten steel,WC+CO

Recommended grades:

YG6X,YG6,YG8,YG10,YG15,etc.

Surface:

Well ground,polished

Certificate:

ISO9001

Size:

Can be cusomized on request

Shape:

Customized

Sample Order:

Available