
Step type Drag Bits diameter 254mm three wings for water wells, environmental and exploration
Product specifications:
We supply two types of drag bits: Step-type and Chevron-type, which can be customized with different threads.
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
Bit diameter | Thread Type Pin |
3-5/8″ – 4-3/4″ | 2-3/8″ API PIN |
4-7/8″ – 5-1/8″ | 2-3/8″ API PIN |
5-1/4″ – 5-1/2″ | 2-3/8″ API PIN |
5-5/8″ – 6″ | 2-3/8″ API PIN |
6-1/8″ – 6-1/4″ | 2-3/8″ API PIN |
6-1/2″ – 6-3/4″ | 2-3/8″ API PIN |
5-1/2″ – 6-3/4″ | 3-1/2″ API PIN |
6-7/8″ – 7-7/8″ | 3-1/2″ API PIN |
8″ – 9″ | 3-1/2″ API PIN |
9-1/8″ – 10-7/8″ | 3-1/2″ API PIN |
7-7/8″ – 8-7/8″ | 4-1/2″ API PIN |
9″ – 9-7/8″ | 4-1/2″ API PIN |
10″ – 10-7/8″ | 4-1/2″ API PIN |
11″ – 12-1/4″ | 3-1/2″ OR 4-1/2″ API PIN |
Package:
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.
Production time:
3-4 weeks after received payment in advance.
Transportation:
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,
Hunan, China.
Changsha Sollroc Engineering Equipments Co., Ltd
Sollroc, with more than 10 years of experience, is one of the prefessional manufacturer and supplier of high performance rock drilling tools like, DTH hammers and bits, RC hammers and bits, ODEX system, symmetrix system, DTH drill rods and top hammer drilling tools, our tools are widely used in different drilling applications including mining, quarring, water well drilling and etc.
We can provide specifications:
DTH hammers range: 3"-12’’
DTH bits range: 90mm - 600mm
DTH opener bits: 4"-10" from 82/165mm to 445/660mm
Shanks : BR series, DHD, COP, Mission, Mach; SD; QL; Numa.
Tophammer tools
Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60,GT68
Button bit face design: Flat face, drop centre,
Button bit body type: Normal and Retrac
Button bits diameters: 45mm-152mm