Basic Info

Length: 12.19-13.72m

Usage: Other

Material: Carbon Steel

Additional Info

Brand: Dingli

Transportation: Ocean,Land

Place of Origin: China

Supply Ability: 50 units per month

Port: Qingdao,Shanghai,Tianjin

Product Description

Interlocking Rotary Drilling Rig Kelly Bar used in bored pile rotary drilling rigs.Kelly bar is a key component of hydraulic rotary drilling rig drilling. They transmit the torque of the rotary drive and the pushing force of the pushing system to the drilling tool at the same time.The Kelly rod consists of 2-5 telescopic tubular sections with a drive key and locking groove system welded to its outer surface.A standard kelly bar has manufactured a total of 6 drive keys on each section. The tubular kelly bar part is made of high-strength steel to ensure minimum weight and sufficient strength.