3PCS HSS Cobalt Stepped Drill Bit Set Practical Black

Features:

Made of superior high speed steel, firm and long-lasting.

Nitride coated, has nice heat resistance, corrosion resistance and rust resistance.

Special step stucture, can drill different size of holes.

Apply to thin iron plate, steel board, wood, aluminum, insulation panels, PVC sheet, ect.



Specifications:

Material: high speed steel

Coated: nitride coated

Color: black

Quantity: 3pcs (3-12mm/4-12mm/4-20mm)

Bits detail:

3-12mm: 3-4-5-6-7-8-9-10-11-12mm

4-12mm: 4-6-8-10-12mm

4-20mm: 4-6-8-10-12-14-16-19-20mm

Package size: 100 * 50 * 20mm / 3.94 * 1.97 * 0.79in

Package weight: 90g / 3.17ounces



Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.



Package List:

3 * Drilling Bits