With Particles of tungsten carbide and special parameter design to ensure excellent  registration accuracy and contour forming.

Suitable for forming clocks, glasses frame and  few other materials drilling.

High quality and long life with low price. 

                          Tungsten carbide step drill bit 

  Plastic Box, Bag Packing,Export Standard Cartons ,as customers require

 5 working days after payment is made 

  We have been an established and popular company with an excellent track record for the best customer satisfaction. We have never compromised on the quality and the services provided to the customer. Please feel free to keep in touch with us about any of your line of work related requirements/queries. 

We can produce products according to your requirements. 

  SHENZHEN DIAMOND JINRUI PRECISION TECHNOLOGY CORP is the high-tech designer and manufacturer of Diamond tools ,PCB tungsten carbide drills, routers, end mills and various special high-precision tools in Shenzhen , China

Contact person       Shani    TEL: +86-755-89706188