【COD】3/4/7pcs Spiral Grooved Drill Bits 3-12 4-12 4-20 Drilling Power Tool Metal Stainless Steel Wood Hole Cutter Cone Fast Drill Bit Set

*Material: High Speed Steel

*Color: Gold

*Surface Treatment: Titanium Plating

*Step Drill Bits: 3-12mm(10-step) / 4-12mm(5-step) / 4-20mm(9-step) / 4-32mm(15-step)

*Center Punch: 130*12mm

Specifications:

*Made of high speed steel material, stable and durable to use.

*Titanium plating treatment.

*Two Flute Design For Faster, Smoother Cutting.

*The step drill bits replaces 29 individual drill bits.

*High strength, hardness and easy to use.

*Suitable for Drilling in Wood, Plastics, Steel, Aluminium and other Non Ferrous Metals.

*A center punch, which is made of steel material, which is durable and not easy to be broken, you can use it for a long time without worries.

Package Included:

1* 3PCS Drill Bits

or

1* 3PCS Drill Bits

1* Center Punch

or

1* Drill Bit

or