High quality cobalt twist drill bit for metal

Place of Origin:

Henan, China

Brand Name:

Henan Drills-King or OEM

Model Number:

cobalt drill bit

Type:

Twist Drill Bit

Use:

Metal Drilling

Product name:

cobalt twist drill bit for metal

Color:

White, Black, Tin-Coated, Amber

Shank Type:

Straight Shank

Standard:

DIN 338

Size:

0.5-16mm

Process:

Fully Ground

Processing Material:

Stainless steel, Copper, Steel, Iron, Aluminum, wood etc

Surface Finish:

Tin Coated Or Customized

Hardness:

HRC 61-66

Sharpening:

118&135degree split etc.