Place of Origin:

Zhejiang, China

Brand Name:

GUSHI,OEM

Model Number:

HDBS

Type:

HSS drill Bit, wet or dry use

Material:

Hss 4241, Hss 4341

Use:

Metal Drilling

Item:

29 Piece High Speed Steel Drill Bit Set

Color:

any color

Diameter:

1-15mm with 0.5mm increments

Content:

1-15mm

Certification:

ISO9001&OEM acceptable.

Application:

for drilling steel,iron,aluminumn,copper,etc.

Surface Treatment:

nitrided,polishing and titanium-palted

Process:

ground completely,milled and rolled