kelly bar drilling rig accessories damping spring for construction foundation
Damping spring is for kelly bar accessories,it assumes
spiral-shaped,the elasticity is strong ,each different type of
spring is suitable for different type of kelly bar.
Product advantage:
1. High resistance, reduce barrel abrasion.
2. Maximum efficiency during drilling.
3. High precision.
4. To avoid drilling absorption.
5. Avoid foreign substances.
Kelly bar performance
1. Adoption of advanced international six-key type distribution
technology and standard modular design.
2. The whole set of kelly bar with light weight, high strength,
high linearity of the single section, thin pipe wall, small seam
between sections and good wear resistance of internal and external
keys, it greatly satisfies the special requirements of rotary
drilling machine.
Beijing Tuff Equipment and technology CO.,LTD is a modem science
and technology that collections of rotary drilling rig tools and
accessories research and development, production and trade.
| 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 |
| Φ455 Friction Kelly Bar | Φ455 *5*13 | 10.0 | 14510 | 58 |
| Φ455 Friction Kelly Bar | Φ455 *5*15 | 11.5 | 16510 | 68 |
| Φ445 Interlocking Kelly Bar | Φ455 *4*12 | 9.5 | 13645 | 42 |
| Φ445 Interlocking Kelly Bar | Φ455 *4*15 | 11.5 | 16645 | 54 |
| Φ508 Friction Kelly Bar | Φ508 *6*15 | 15.0 | 16585 | 82 |
| Φ508 Interlocking Kelly Bar | Φ508 *4*12 | 11.5 | 13550 | 42 |
Beijing Tuff Equipment and technology CO.,LTD is a modem science
and technology that collections of rotary drilling rig tools and
accessories research and development, production and trade.
Beijing Tuff Equipment and Technology Research Institute of
Construction Method was established in 2015. With the continuous
research of engineers, the research ability of kelly bar and
drilling tools had been promoted.
We provide customized services for drilling tools, kelly bars and
we have sold world-wide for BAUER,MAIT, SOILMEC, CASAGRANDA,SANY
and XCMG drilling rigs, etc. We are the real Manufacturer in
China.Welcome to our factory.
Our main products include drilling buckets, augers, core barrels,
kelly bars, drilling teeth and holders, double wall casing and
casing attachment. These products are acknowledged for their
durability, robust construction, corrosion resistance and easy
operations.
FAQ
Q: What's the nature of your company?
We are Manufacturer. We have factories all over China, all products
posted are produced by ourselves, so we can offer you competitive
price while ensuring product quality.
Q: How do you ship your products?
Our goods can be transported by air and sea or per your request.
Q: Does this product support customization?
Yes, due to the fact that we have our own factories, We can
customize products per your request.
Q: How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. Or it is 15-20
days if the goods are not in stock, it is according to quantity.
