Continuous Flight Auger /long helix drill pipe

Continuous Flight Auger /long helix drill pipe 

Outer Diameter:100-1500mm

Flight:10/12mm

Tube thick:10/12mm

Tube diameter:100-150mm

Length:1-10meter

Material:S235+16Mn

CFA piles are constructed by drilling a continuous flight hollow stem auger into the ground to a specified depth. The fact that the hollow stem auger provides support to the excavated shaft at all times during the drilling process precludes the need for temporary casings or drilling fluids. Once the pile toe level is achieved, a high performance concrete is pumped through the hollow stem to then fill the cavity as the auger is extracted. At the completion of the concreting, the steel reinforcement cage is installed into the fluid concrete. While initially developed to cater for sites with weak and sandy materials beneath the water table, today CFA piles are a very popular foundation type due to their instrumentation control, low vibration nature and depth/torque capability.

About us

Established in 2008, Xiangtan Zhongwei Heavy Industry is an advanced technological company that specializes in the R&D, manufacture and sales of various drilling tools, attachments and spare parts.

Our main products include kelly bars, drilling buckets, augers, core barrels, drilling teeth and holders, cutting bits, steel wire ropes for drilling rigs and cranes, lift units, hydraulic motors and speed reducers. These products are acknowledged for their durability, robust construction, corrosion resistance and easy operations.

With a group of engineers and skilled workers with years of experience in engineering and construction design, our products are widely recognized and trusted by users. In the domestic market, we are main suppliers for Sany, XCMG, ZOOMLION, YUTONG, SUNWARD, FOTON and OSAINT. In addition, our products are widely exported to Turkey, Mexico, Russia, Canada, the Middle East,Africa,etc.

Welcome customers from all over the world.