Product Description:

Head Diameter :1.8 mm

Total length :53mm

Shank diameter: 0.9mm

Quantity:Total 20Pcs

Drilling speed:Drill a Holes in Seconds

Use with water as a lubricant

Must drop water or put the stones in the water, during drilling hole operation.

Max speed:24000 RPM

The higher the speed of machine, the effect of drilling hole is better

Application: suitable for use in drill hole on the Jewelry, Gems, jade, agate, amber, beeswax, crystal

Suitable Machine: high speed bench drill, bench drill, fixed drilling machine, etc.

Note: The drilling hole needles are producted from factory directily, there is rust on needle’s handle, but not influence use.

Quick Tips

1.During drilling operation, with machines can't use more than 1 kg of strength to press the needle, because the diameter of handle is very small, too big power will broken needle.

2.Suggest you use the machine to drilling hole, just like the chicken peck rice, drilling hole after a few seconds, lift up once, and then press the continue to drill.

We Can List Any Size (Head Diameter 1.2mm/1.4mm/1.6mm/1.8mm/2.0mm/2.2mm ) & Amount Of This Product

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