High quality DIN8039 masonry drill bits for granite tungsten carbide drill bits

Place of Origin:

Zhejiang, China

Brand Name:

CHZB

Model Number:

YS03

Type:

Indexable Drill Bit

Material:

High Carbon Steel

Use:

Masonry Drilling

Technics:

Fully ground, roll forged

Hardness:

63-66 HRC

Standard:

DIN8039

Shank:

straight shank

size:

3*60mm-25*600mm

finished:

zinc plated,black oxide,black&white,nickle plated