165mm Drag Drill Bits Chevron Drag Bits 6.5 inch API 3 1/2"
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
|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)|
Using plywood cases and pallet for seaworthy to protect products
and avoid the damagement during transportation by sea. Using
cartons and plywood cases for air worthy to less the weight and
save the freigth. Also we can customize package according to your
special requests. Special mark is available.
3-4 weeks after received payment in advance.
By air, by Express or by sea according to your requests.
SOLLROC is 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,