Interlocking Kelly Bar

Features

1, We have the ability to produce friction kelly bar, interlocking kelly bar and combined kelly bar, we can also customize the kelly bars

according to customer needs. We have made kelly bars for Bauer, Soilmec, Liebheer, Mait, IMT, Casagrande, Sany, XCMG, Sunward etc.

2, With advanced processing equipments and tooling facilities ensure the high wear resistance and high reliability of the kelly bars.

3, The complete model spectrum and flexible design and manufacturing capabilities ensure that the kelly bars perfectly meets cu-

stomer needs.

4, Quality warranty, we are offering one year warranty for our kelly bars.

5, Reinforcement Ring: We have added a reinforcement ring to each section of drill kelly bar, and it has been heat treated. This reinforce-

ment ring can better protect and reduce the risk of cracking of the kelly bar.

6, Kelly stub is made of 35Crmo with forging technology

Specifications

We made many interlocking kelly bars for Bauer BG15, BG18, BG20, BG24, BG26, BG28, BG30, BG36, BG40; Lienherr LB18, LB24,

LB36, LB44; Mait HR180, HR260; Sany SR220, SR250, SR280, SR360; XCMG XR180, XR220, XR360 etc.

OD（mm）	Elements	LockingType	Section Length	Drill Depth	Torque
355	3/4	Interlocking	10-15	24-50	100-120
368	3/4	Interlocking	10-15	24-52	150-180
377	3/4	Interlocking	10-15	24-52	150-180
394	3/4	Interlocking	10-17	24-60	180-200
406	3/4	Interlocking	10-17	24-60	180-200
419	3/4	Interlocking	10-20	24-70	200-230
440/445	3/4	Interlocking	10-20	24-70	220-260
470/482	3/4	Interlocking	10-20	24-70	220-260
508	3/4/5	Interlocking	10-22	32-90	260-360
530	3/4/5	Interlocking	10-22	32-100	320-400
559	3/4/5	Interlocking	10-25	32-115	320-400
580	3/4/5	Interlocking	10-25	32-115	360-420
630	3/4/5	Interlocking	10-25	32-115	400-500
Other sizes can be customized

Workshop

Kelly bar factory size is about 10,000 square meters, with 50 senior welders and 15 engineers.

Advantages

1，Raw material: top quality of steel tube, welding wire, drive key and kelly stub etc. ST52, 35Crmo, Hardox500, forged technology

are making reliable Kelly bar.

2，Special heat treatment, robot welding machine, leveling adjustment platform are making high strength Kelly bar.

3，Rich experiences, perfect design and customized services will making the suitable kelly bar for you.

Our spare parts can be mattch with any brand of rotaary drilling rigs, Offering Kelly bar spring, kelly swivel, kelly bearing, terminal

joint, kelly pipe etc.

Packing and Delivery