Foundation Construction Piling Equipment Spare Parts Interlocking
Kelly Bar
Application:
BJTUFF Interlocking Kelly Bar is an important part of hydraulic
rotary drilling rig, which directly affects the transmission
pressure and working efficiency. Our Kelly bar uses advanced
processing equipment and experienced engineers more than 8years,
and complete strict quality control system.
Interlocking pressure Kelly bar contains 3 or 6 foreign keys with 3
or more sets of recessed pressure parts. Easy to transmit pressure
and better resistance to torque. It is suitable for both dense sand
and gravel as well as highly weathered to bedrock.
Feature
1. Strict selection of raw materials from large fctories and
forging parts such as drive stub to assure the reliable quality;
2. The key parts such as drive keys are used by heat treatment to
improve wear resistance ;
3. With high torsional coefficient ,the compression and vibration
resistance of Kelly bar is higher than average level.
Model List:
| Name | Type | Weight(T) | Transport Length(mm) | Drilling Depth(m) |
| φ377 Friction Kelly Bar | φ377×5×12 | 6.0 | 13300 | 53 |
| φ377 Interlocking Kelly Bar | φ377×4×12 | 7.0 | 13550 | 42 |
| φ445 Friction Kelly Bar | φ445×5×13 | 10.0 | 14510 | 58 |
| φ445 Friction Kelly Bar | φ445×5×15 | 11.5 | 16510 | 68 |
| φ445 Interlocking Kelly Bar | φ445×4×15 | 11.5 | 16645 | 54 |
| φ508 Friction Kelly Bar | φ508×6×15 | 15.0 | 16585 | 82 |
| φ508 Interlocking Kelly Bar | φ508×4×12 | 10.5 | 13550 | 42 |
| φ580 Friction Kelly Bar | φ580×6×20 | 23 | 21750 | 110 |
| φ580 Interlocking Kelly Bar | φ580×5×18 | 22 | 19750 | 82 |
| φ580 Interlocking Kelly Bar | φ580×4×18 | 19 | 19750 | 64 |
| Remark:We can customized as your requirement .the model above is
just a part of general type. |
Package:
Packaging details for BJTUFF interlocking Kelly bar:
1. 100% inspection before shipment.
2. Wrapped with plastic film.
3. Fixed with iron frame .
4. As clients' requirements.
Product advantage:
1- Top quality raw materials from leading raw-steel factory.
2- Our drilling tools can be customized depending on kinds of rigs
and site conditions.
3- We require high quality of welding, therefore we employ at least
8 years experienced welders.
4- We provide one-stop solution for the world’s foundation construction users.
5- Based on the rich manufacturing experience and by absorbing the
advanced technology both at home and abroad.
FAQ:
1. Are you factory or not?
Yes, we manufactured drilling products for 7 years in Hebei,China.
Warmly welcome to visit our factory and office.
2. What does your company make?
The main products of our company include drilling auger and bucket
,drilling teeth,pile breaker, kelly bar and casing pipe.
3. Do you offer discounts for your drilling product?
Yes. Depends on order quantity.
4. What is the quality of your drilling products?
① we promise good raw steel .Our welding stick is flux-cored wire that applied to ship
engineering.
② We strictly control product quality on each step from material
choosing to every workmanship.
③ We give enough warranty time for customers and the warranty of
our Kelly bar product is 6months.
④ Customers could contact our sales managers if there are any
question during installation or construction anytime, and solutions
will be given within 12 hours.
