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Drill Bit

Regular price $77.97 Sale price $50.78

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M35 cobalt step drill (HSS Co) is a high hardness drill bit which is mainly applied for drilling high hardness workpiece. 

Pay attention:

1. The drilling speed can not be too fast,rotation rate from 250 to 400 is recommended.

2. It is much necessary to add water or coolant to protect the drill.

3. If drilling diameter is greater than 14mm,we recommend to use bench drill.

4. Range of thickness is as bellow:

 

Workpiece Material

          Workpiece Thickness

Stainless steel plate

Use hand drill : Thickness must be less than 1mm.

Stainless steel plate

Use bench drill : Thickness must be less than 2mm.

Iron plate

Aluminium plate

Insulation board

PVC board

Wood board

  

Use hand drill or bench drill :Thickness must be less than 5mm.

 

Specifications:

Material: HSS-Co M35

Shank: 1/4" Hex Shank

Sizes:

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

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

3-13mm:3,4,5,6,7,8,9,10,11,12,13mm

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

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

6-25mm:6,8,10,12,14,16,18,20,22,25mm

4-32mm:4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm

 

Packaging:

Plastic bag

 

Note:

Please allow minor deviation due to manual measurement.

Due to the difference between different monitors, the picture may not reflect the actual color of the item.

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