Sharpening grinding pin diamond for button bit

Have sold this kind of item for many years. It's a perfect tool for grinding your broken button bits, to prolong it's lifespan.

Our grinding cup can be used for grinding 7mm-25mm button size.  Other sizes available on request. All of the model all can be used for grinding both the bit button and body steel in one operation. The combination grinding pin benefits from a specially developed grinding material capable of grinding both carbide and steel at a regular and consistent rate. Available with a choice of Hemispherical, Ballistic Semi Ballistic, Paraboloid or Conical cups.

1.Sample order is acceptable

2.Customied products is acceptable

3.Good pre-sale and after sale service