Round Steel Hollow Bar H22

Specifications

   Liaocheng Kaituo Construction machinery Co., Ltd headquartered in Yanggu, Shandong, incorporating manufacturing, trading and customer service in global mining and engineering construction, services for global mining and civil engineering construction.
Liaocheng Kaituo Construction machinery Co., Ltd main products include: Rock drilling tools, construction drilling tools, mining tools, road milling tools, shield cutters and other related products. With strong R&D strength, advanced manufacturing standard, complete quality control system and excellent international business team.
We have market in Australia, Brazil, Russia, USA, German, British, South Africa and other countries. For its progressive technical capacity and modern management philosophy, KATO is becoming one of the most reliable suppliers around the world.


Extension rods are made by hollow drill steels; There are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling. And the threads can be used for connecting couplings, shanks, couplings or bits.
Usually for extension rods, there are R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60 threads, and different lengths of rods are available from 600mm to 6400mm usually.

packaging : wooden cases or plastic cases
shipping : 10 days after receiving the deposit

1. According to the technical drawings using standard material specification productio
2. Color: Customized according to customer requirement
3. Provide samples and can produce products according to customer's sample.

Payment: T/T, 30% in advance, 70% before shipment.
Delivery time: about 15-20 days.