About us:
We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.
Product specifications: Grinding pins
There are different models of diamond grinding pins for your choice:
8mm shank model,
9mm shank model,
internal hex drive model, etc..
Our grinding cup can be used for grinding 7mm-25mm button size. Other sizes available on request.
These grinding cups 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.
Technical parameters
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 |
The grinding pins specially for grinding bits body steel
We can also provide related products DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc
Product photos
Quality warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.
Production time:
Generally need 15-25 days
Transportation:
By air, By Express or By sea according to your requests.