- Used for accurate holing on such precious stone as pearl, coral, amber and ornaments components such as gold, silver and copper.
- This machine is equipped with 9 suits of special collets, which is suitable to the pearls in round shape, “ж” shape and other shapes or special shapes.
- Collet of this machine is made from nylon, which prevent pearl from being mingled with flower and scar.
- It can make a hole on pearls of various specifications from Φ3 – Φ25mm (including fresh water pearl, seawater pearl, south sea pearl, Daxidi black pearl, shell, coral and amber).
- Fitted with Φ0.5 – Φ1.2mm special tungsten-steel drilling needle for holing pearl.