3PCS Cobalt Step Stepped Drill Bit Set Nitrogen High Speed Steel Spiral For Metal Cone Triangle Shank Hole

Features:

1. Titanium coating: These drill bits have a titanium coating, which can help reduce friction and heat when in use.

2. Surface treatment: The surface of these drill bits is treated with nitrogen, which can increase the hardness and wear resistance of the drill bits.

3. Durability: These high-speed steel pedal drills are of higher quality and durable than ordinary twisted drills.

4. Wide applicability: These drill bits are suitable for perforated metal, iron, aluminum, brass, wood, plastic, etc.

5. Set: This drill set includes 3 sizes: 4-12 mm, 4-20 mm, 4-32 mm, which can perfectly meet your different needs.

Description:

These drill bits are perfect for creating smooth, clean and perfect round holes.

Specifications:

Material: high speed steel

Surface treatment: Nitrogen treatment

Handle shape: triangle round handle

Size:

24-32: 100*10mm

4-20: 75*8mm

4-12: 64*6mm

Package Included:

3pcs * Drill bits

Notes:

1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.

2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.