Interlocking kelly bar of drilling rig

We supply  all types of kelly bars and  for construction drilling machines.

·         2 - 6 fold telescopic construction for a depth range from 15 - 100 m

·         The tubular kelly sections are manufactured from high-tensile steel to ensure minimum weight at adequate strength

·         Torque transfer capacity 120 - 500 kNm

·         Interlocking type

·         Friction type

·         Locks and wear-resistant drive rails (accordingly with rotary sleeve)

·         Robust Terminal joints, that are the terminal part of each telescopic pipe, provided to transfer torque and crowd force to the kelly bar

·         Bottom shock absorbers (spiral or discs type)

·         Standardized square kelly drive stub for connecting all types of drilling tools