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0.8 to 2.5mm extended diamond grinding needle drill bits dremel rotary tools for stone jade jewelry glass

Item No. : DGN-EL01

Diameter: 0.8-2.5mm
Diamond coated length: 25mm
Diamond grit : regular #150
Shank diameter: 2.35mm
Total length: 70mm
Wet use


0.8 to 2.5mm extended diamond grinding needle drill bits dremel rotary tools for stone jade jewelry glass


These extended electroplated diamond grinding needle also called fine sand cylindrical electric grinding rod or jade hole expanding grinding head, they are perfect for drilling glass, blocks jars, tile bottles, fiberglass, porcelain tile, jade, agate, ceramics, beeswax, amber, crystal, pearl, semiconductor materials, etc.


These drill bits can be installed on clamping range 2.35mm or above of electric rotating tools such as electric grinder, hanging grinder, electric mill, hanging mill, engraving machine, pneumatic engraving penetc.


Please use water for coolant.


Diameter: 0.8-2.5mm.

Diamond coated length: 25mm.

Diamond grit : regular #150, other grit from #80 to #320  is possible available.

Shank diameter: 2.35mm.

Total length: 70mm.


Code No.

Diameter

Diamond Grit

DGN-EL01-08 0.8mm #150
DGN-EL01-10 1.0mm #150
DGN-EL01-12 1.2mm #150
DGN-EL01-15 1.5mm #150
DGN-EL01-18 1.8mm #150
DGN-EL01-20 2.0mm #150
DGN-EL01-25 2.5mm #150





The above specifications & photos are for reference, other specifications may be available as per demand.


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