With years experienced in foundation engineers and cooperating with famous firms in the world such as Nippon Sharyo, Brevini, Rexroth,etc. TOHO ENG is committed to manufacturing high quality drilling tools and providing one-stop services to all customers. Up to now, our products have built strong position in the market and applied to many famous project in Vietnam as well as exported to many countries such as Japan, Philippines, Laos, Cambodia and Singapore
Selecting the correct Kelly Bar is the key to building a proper Drive String.
Designed according to advanced Modular-element principle with 4-5 ribs laid on tubes.
The advantages of our Kelly bar, such as low weight, high strength, high abrasion-resistance, high-reliability are safeguarded by technologically superior process, advanced machining equipments and special fixtures.
All Kelly bars are available in interlocking, friction and partially lockable version. Length, Kelly stub and Kelly dimension can be on request.
Complete model series and flexible design and manufacture ensure the ability to supply Kelly bar to match with any model of drilling rigs
- Telescopic Kelly bar with round cross-section, hard and high abrasion resistance, limit the stuck during drilling, such as drilling equipment used to square cross section as Kelly ED4000, ED5500
- High standard steel pipes materials are imported directly from Korea.
- Length of Kelly Bar can be adjusted according to the specific requirements of customers.
- Diameter of Kelly is diversified and consistent with the drill heads.