Gangxin Brand Q sintered spherical K20 K40 high quality tungsten carbide button bits/ carbide drill

Place of Origin:

Zhejiang, China

Brand Name:

Gangxin

Model Number:

all types

Type:

Countersink Drill Bit

Material:

Tungsten Carbide

Use:

mine coal-cutting,drill heads of heavy rock-digging.

ISO code grade:

K20 K40

TRS:

2700-3100

Hardness:

87.8-90.5

Certificate:

ISO9001:2008

Materials:

100% Tungsten Carbide

Usage:

used for mine coal-cutting,drill heads of heavy rock-digging

Usages.:

used for mine coal-cutting,drill heads of heavy rock-digging