M35 Cobalt Step Drill Bit 1/4 Inch Hex Shank HSS-Co Step Drill Bit Spiral Grooved Hole Cutter

 

Material: High Speed Steel

Surface Treatment: Nitrogen Treatment (increasing the hardness and abrasion resistance)

Groove: Spiral

Shank: Hex

Model: 3-12mm, 4-12mm, 4-20mm, 4-22mm, 4-26mm, 5-21mm, 5-27mm, 6-24mm

3-12mm: (3,4,5,6,7,8,9,10,12mm)

4-12mm: (4,5,6,7,8,9,10,11,12mm)

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

4-22mm: (4,6,8,10,12,14,16,18,20,22mm)

(26mm) 4-26mm: (4,6,8,10,12,14,16,18,20,22,24,26mm)

5-21mm: (5,7,9,11,13,15,17,19,21mm)

(27mm) 5-27mm: (5,7,9,11,13,15,17,19,21,23,25,27mm)

6-24mm: (6,8,10,12,14,16,18,20,22,24mm)

 

- 118° X-shaped opening, to reduces slippage of the opening

- HSS Drill Bit Set For Metal , Wood, Plastic And Aluminum.

- Ideal For DIY, Home and General Building/Engineering Using.

- Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

- High speed steel,durable.

- Nitriding coated to reduce friction and heat.

- Triangle shanks design in order to prevent slippage when in chuck.

 

 

* Please allow a slight error due to manual measurements, thank you!

* Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.