TC Tungsten Carbide Drill Bits for Beads Coral Pearls

Place of Origin:

Hunan, China

Brand Name:

ZZ GOOD

Model Number:

Various

Type:

Hole drill bit

Use:

Metal Drilling

Commodity:

Tungsten Carbide Drill Bits

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