Place of Origin:

Jiangsu, China

Brand Name:

DZ

Model Number:

step drill bits

Type:

Countersink Drill Bit

Use:

Metal Drilling

Finish:

OTHER

Flute Type:

Spiral Flute

Material:

HSS and HSS Cobalt

Applicaion:

Metal Wood Sheet Tube Drilling

Point Angle:

135 Split Point Angle

Product Name:

step drill bits

Size:

3-12mm, 4-12mm, 4-20mm, 4-22mm, 4-32mm, 6-24mm, 6-35mm

Flute:

Straight Flute, Spiral Flute

Triangle Shank, Hex Shank:

Triangle Shank, Hex Shank