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5/10pcs 1-4mm Diamond Grinding Head 600/1200 Grit Rotary Drill Bits Burrs Metal Stone Jade Engraving Carving Tools C7 Needle(4mm 600 Grit,10 pcs)

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$23.36

$ 10 .99 $10.99

In Stock

About this item

  • Shank:2.35mm
  • Grit:600/1200
  • Head Diameter:1mm to 4mm
  • Material:diamond
  • Suitable for engraving pens, hanging mills, air mills, and other tools.


Shank:2.35mm
Grit:600/1200
Head Diameter:1mm to 4mm
Material:diamond
Suitable for engraving pens, hanging mills, air mills, and other tools.
Suitable for jade, stone, amber, etc. peeling/grinding/polishing/trimming surfaces and detail correction polishing
Precautions:
1. The speed is as high as possible, and the general requirement is that the line speed is not less than 10-20 meters per second!
2. Need to add water to cool, if you do not add water to cool the diamond, it may lead to graphitization due to overheating.
3. Need to gently press down, too much force will cause the powder to be difficult to discharge
4. Check if the tool is beating. If the tool is beating, it can't work directly!