Hot sale OD16*21mm cemented carbide button bit for drilling tool

Place of Origin:

Henan, China

Brand Name:

zzup

Model Number:

OD16*21mm

Type:

DRILL BIT

Machine Type:

Drilling Tool

Certification:

ISO

Material:

Carbide

Processing Type:

Forging

Use:

Ore Mining

diameter:

16mm

length:

21mm

another similar sizes:

OD16*28mm

color:

grey

other name:

tungsten carbide sphere button

surface:

rough surface grinding

content %:

6% CO, 94% WC

hardness:

90.5HRA

Strength:

2500Mpa

Usage:

for mining, borewell drilling, oil field drilling