Bauer Type interlocking kelly bar

1,high quality and reasonable price, 2,durable steel material for longtime use, 3,applied to the Bauer rig usually - details see: https://www.machineto.com/bauer-type-interlocking-kelly-bar-10090582

Place of Origin:Beijing China (Mainland)	Brand Name:JIETAI	Model Number:JT kelly bar	color:yellow or other
use:matched Bauer rig usually	length:15 meters	packing:good packing	condition:new
Machine type:BG25/BG28/BG30/BG36

contact supplier for Bauer Type interlocking kelly bar

Locking drilling bar, three key type and six key type two kinds, steel material adopt high quality alloy steel seamless steel tube, welding in the key on the road for high wear-resisting drive keys. The key driver, according to the outside pressure stroke with three or four pressure point, when the pipe to drive into the driver turns key point, the key pressure produced by the pressurized cylinder pressure, with head and drill through direct transmission to drill, can apply in neutral layer, hard soil or rock layer.

interlocking kelly bar for Bauer drilling rig
Type	O.Dia.(MM)	Section	Depth(m)	Torque(KN.M)
JT12 340-3x13	340	3	36	120
JT12 356-3x13	356	3	36	120
JT15 377-4x14	377	4	52	150
JT20 406-4x14	406	4	52	200
JT22 406-4x14	406	4	52	220
JT25 445-4x15	445	4	56	250
JT25 445-3x15 (Reinforced)	445	3	42	250
JT25 470-4x15	470	4	56	250
JT25 508-4x15	508	4	56	250
JT28 508-5x15	508	5	70	280