wholesale china sale carbide square hole drill

Place of Origin:

Jiangsu, China

Brand Name:

ZHY

Model Number:

ZHY-AM99

Type:

Twist Drill Bit

Material:

Tungsten Carbide

Use:

Metal Drilling

Micro grain:

0.5um

Working hardness:

HRC55

Coating:

ALTIN, high aluminum coating

Coating colour:

Black

Components:

Tungsten and cobalt

Raw material:

CB Carbide

Helix angle:

30°

Flutes:

2 flutes

Express:

DHL/TNT /Fedex/UPs