1.taper drill rod and integral drill rod 2.durable steel material for longtime use 3.high quality and reasonable price

Specifications

1,high quality and competitive price 2,durable steel material for longtime use 3,applied to the hard and soft layer

Kelly bar is the key part of a drilling machine, and its quality directly affects the performance of the whole machine. The main purpose of kelly bar is to transfer the torque of rotary drive and crowd pressure of the crowd system to the drilling tool. Based on the rich manufacturing experience and by absorbing the advanced technology both at home and abroad, we can produce first-class kelly bar which can be compared favorably with the imported ones

 We can also provide kelly bar for BAUER, MAIT, IMT, SOILMEC, CASAGRANDE and other foreign brands rotary drilling rig.

rig Kelly Bar
Type	O.Dia.(MM)	Section	Depth(m)	Torque(KN.M)
DZ12 340-3x13	340	3	36	120
DZ12 356-3x13	356	3	36	120
DZ15 377-4x14	377	4	52	150
DZ20 406-4x14	406	4	52	200
DZ22 406-4x14	406	4	52	220
DZ25 445-4x15	445	4	56	250
DZ25 445-3x15 (Reinforced)	445	3	42	250
DZ25 470-4x15	470	4	56	250
DZ25 508-4x15	508	4	56	250
DZ28 508-5x15	508	5	70	280

       

Drilling Piling Kelly Bar 440