3pcs Fully Ground Spiral Step Drill Set

Place of Origin:

Jiangsu, China

Brand Name:

TIANCHENG

Model Number:

3060

Use:

Metal Drilling

Material:

HSS M35, M2, W9341, W4241

Type:

Center Drill Bit

Machine:

Automatic CNC Center

Metric Size:

4-12mm, 6-20mm, 6-30mm

Produce:

Fully Ground

Shank:

Round, Hex, Quick Change, Three Flat

Usage:

Thin sections of metal, plastic and wood

Coating:

Bright, Titanium, Black Nitrided, Cobalt Coated.

Packing:

Plastic Tube, Plastic bag, Blister card, Aluminum case set, Wooden box