What is kelly bar China?

Drill Rig Kelly Bar,Interlocking & Friction Kelly Bar China. Kelly Bar China Kelly bars are key components in the execution of boreholes with hydraulic rotary drilling rigs. They transfer the torque of the rotary drive and the crowd pressure of the crowd system concurrently to the drilling tool.

Who is KR drilling machinery manufacturer?

KR Drilling Machinery Manufacturer around 10,0000 sq.mtr are located in Hebei Province, China. KR is a professional company which specialized in producing Kelly bar, Casings, Drilling tools, Used drilling rig, Tremie pipe,Drilling rig accessories.

How deep is a kelly bar?

Unikelly’s Kelly Bar features a construction depth can reach 140m. China Manufacturer of Drill Rig Kelly Bar,Interlocking Kelly Bar Friction Kelly Bar,Tailor Made Telescopic Kelly Bar for Bauer, Soilmec,Mait,IMT,SANY and More.

How does a kelly bar work?

They transfer the torque of the rotary drive and the crowd pressure of the crowd system concurrently to the drilling tool. A Kelly bar consists of 3 – 6 telescopic tubular sections with a system of drive keys and lock recesses, welded onto their outer surfaces. Standard Kelly bars are fabricated with 3 drive keys or 6 drive keys on each section.

What is a kelly bar?

A Kelly bar consists of 3 – 6 telescopic tubular sections with a system of drive keys and lock recesses, welded onto their outer surfaces. Standard Kelly bars are fabricated with 3 drive keys or 6 drive keys on each section. The tubular Kelly sections are manufactured from high-tensile steel to ensure minimum weight at adequate strength.

Why do we provide steel guide & plastic package for Kelly bar?

1.For kelly bar , we provide the steel guide and plastic package , to meet international standard. We origise the training for sale department usually.To learn more professional knowledge so can communicate more fulently with our clients. Add: 3-1903, Ronghua xintai International Building.