4PCS 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.

No need for a pilot hole, can automatically deburr holes as you drill.

Special step stucture, can drill different size of holes.

Working with water cooling, can effectively extend the service life of bit, drilling speed 250-400 recommended.

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: 4pcs

Includes: 3pcs bit (4-12mm/4-20mm/4-32mm) & 1pc center Punch

Bits detail:

4-12mm: 4-6-8-10-12mm (5 steps)

4-20mm: 4-6-8-10-12-14-16-18-20mm (9 steps)

4-32mm: 4-6-8-10-12-14-16-18-20-22-24-26-28-30-32mm (15 steps)

Package size: 150 * 100 * 40mm / 5.9 * 3.94 * 1.57in

Package weight: 281g / 9.91ounces

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

1 * Center Punch

We confidently assure you'll be satisfied with what you get.However, If  there's a chance that you are not satisfied with our goods or something else, please let us know before leaving us a Negative feedback. We will try our best for 100% customer satisfaction. Your 5-Star Positive Feedback is much appreciated to us, and your satisfaction is our greatest motivation to move forward.Welcome to Shop Here! Want more Items? Please come & visit our SHOP.

*Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 5 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer).Your satisfaction is our first priority.

*If you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.