Kondasin International Co.,Ltd.
| Payment Terms | T/T, L/C, Western Union |
| Supply Ability | 50 Set/Sets per Month kelly bar for rotary rig |
| Delivery Time | 20 working days |
| Packaging Details | Wrapped with plastic film |
| Material | Q345B |
| Type | Interlocking or friction kelly bar |
| Name | Friction or interlocking kelly bar |
| Sections | 3,4,5 |
| Size/diameter | Customized |
| Color | Customized |
| Brand Name | KonDaSin |
| Model Number | Rotary drilling kelly bar |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C, Western Union | Supply Ability | 50 Set/Sets per Month kelly bar for rotary rig |
| Delivery Time | 20 working days | Packaging Details | Wrapped with plastic film |
| Material | Q345B | Type | Interlocking or friction kelly bar |
| Name | Friction or interlocking kelly bar | Sections | 3,4,5 |
| Size/diameter | Customized | Color | Customized |
| Brand Name | KonDaSin | Model Number | Rotary drilling kelly bar |
| Certification | ISO9001 | Place of Origin | China |
| High Light | kelly drive drilling ，bored pile equipment | ||
Heavy Construction Equipment Kelly Bar Spare Parts Piling Rig Accessories
Kelly bar is the key part of a rotary rig, transfer the torque of the rotary power head and the pressure of the rotary rig system to the drilling tools and its quality affects the performance of the whole machine directly.
A kelly bar consists of 2-5 telescopic tubular section with a system of drive keys and lock recesses weld onto their outer surface.
Based on the rich manufacturing experience and by absorbing the advanced technology we have two kinds of kelly bar, interlocking and friction.
Frictional kelly bar needn't unlock the joint of its inner and outer lining so that it is convenient and fast to lift the bar. Non-stair key, friction transmission the outside key is made by highly wear-resisting tempering steel. For layer of soft ground and mud, mud, (mud) sand, gravel
Interlocking kelly bar is of great pressure transmission and good anti-contortion perfomance. There are 3 rigid parts between drilling pipes to transfer greater pressure from embedding cylinder. And even at the hard geologic condition it can transfer greater pressure and drill in. Stair key, organization transmission, the outside key is made by highly wear-resisting tempering steel. For soft fromations, (weak) weathered rock, hard strata construction.
| Name of product | External diameter (mm) | Pitch No | Length section (m) | Rated torque (KN*M) | Depth (m) |
| Friction kelly bar | 355 | 4,5 | 10-13 | 180 | 36-60 |
| 377 | 4,5 | 10-14 | 200 | 36-65 | |
| 406 | 4,5 | 10-15 | 210 | 36-70 | |
| 419 | 4,5 | 10-15 | 250 | 36-70 | |
| 440 | 4,5 | 10-15 | 250 | 36-70 | |
| 470 | 4,5,6 | 10-17 | 280 | 36-95 | |
| 508 | 4,5,6 | 10-18.5 | 320 | 36-103 | |
| 530 | 4,5,6 | 10-19 | 380 | 36-106 | |
| 575 | 4,5,6 | 10-21 | 420 | 36-120 | |
| 630 | 4,5,6 | 10-21 | 450 | 36-120 |
| Name of product | External diameter (mm) | Pith No | Length section (m) | Rated torque (KN*M) | Depth (m) |
| Interlocking kelly bar | 355 | 3 | 10-13 | 180 | 27-36 |
| 377 | 3,4 | 10-12.5 | 220 | 27-44 | |
| 406 | 3,4 | 10-15 | 230 | 27-57 | |
| 419 | 3,4 | 10-15 | 250 | 27-57 | |
| 440 | 3,4 | 10-15 | 250 | 27-57 | |
| 470 | 3,4 | 10-17 | 280 | 27-65 | |
| 508 | 3,4 | 10-17 | 320 | 27-65 | |
| 530 | 3,4 | 10-20 | 380 | 27-76 | |
| 575 | 3,4 | 10-21 | 420 | 27-80 | |
| 630 | 3,4 | 10-21 | 450 | 27-80 |
1. The advantages of our Kelly bar, such as low weight, high strength, high abrasion-resistance, high-reliability are safeguarded.
2. Main body made of alloy hot-treated specially enjoy both high hardness and perfect welding performance, high abrasion-resistance leads to high-reliability.
3. Heat treatment is widely used in the key parts such as drive key to improve wear resistance
4. Small clearance and high-precision mating of the drill pipe ensure its good working order and service performance.
5. Fulfill the rotary drilling rig full torque operation.
Company Details
Business Type:
Manufacturer
Year Established:
2015
Employee Number:
50~60
Ecer Certification：
Active Member
Kondasin International Co.,Ltd. is a professional drilling rig and tools company.With over 10 years of successful experience,we are dedicated to serve world-wide customers in the field of pile foundation construction industry. The products we are serving include drilling rig,drilling buckets,... Kondasin International Co.,Ltd. is a professional drilling rig and tools company.With over 10 years of successful experience,we are dedicated to serve world-wide customers in the field of pile foundation construction industry. The products we are serving include drilling rig,drilling buckets,...
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