Dth Button Bit Grinding Cups

Our firm is producing and supplying of DTH Button Bit Grinding Cups to our patrons. We deal in button bit diamond grinding cups. It's a perfect tool for grinding your broken button bits, to prolong it's lifespan.
We have different model: 8mm shank model, 9mm shank model, internal hex drive model and 55-drive model. Our grinding cup can be used for grinding 7mm-25mm button size. Other sizes available on request.
Except 55-drive model, the others 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.
For bit's button shape
For bit's button size (mm)
spherical buttons
ballistic buttons
6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25
bit's body steel removal
7-8 9-10 11-12 13-14 15-16 17-18 19-20
Available with a choice of Hemispherical, Ballistic Semi Ballistic, Paraboloid or Conical cups.
It has following advantages:
- Specially formulated matrix for maximum performance
- Maintain proper profile time and time again
- Strategically positioned flushing outlets for improved flushing and cooling
- Maximize drilling economy
- Field proven