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.
The drag bit is designed for use in soft formations such as sand, clay, or some soft rock.
Step type bits are the most common type of drag bit used widely for soft to medium formations.
Chevron bits are designed for medium to hard formations.
Thread available:2 3/8, 3 1/2, 4 1/2, 5 1/2, 6 5/8 API Reg. Pin, IF Pin
SOLLROC Drag bit specifications:
|Steps (3 wings and 4 wings)||2"(51MM)~17 1/2"(444.5MM)|
|Chevron (3 wings and 4 wings)||2"(51MM)~17 1/2"(444.5MM)|
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
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.
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.
Generally need 20-30 days
By air, By Express or By sea according to your requests.