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Interlocking Kelly Bar for Sany SR235 445mm diameters, 4 elements * 10m
Feature:
Application:For piling rigs for clay, silt, sandy soil, and silty soil. Artificial backfilling of strata containing some pebbles and gravels.
Kelly bar raw material:Q355B, 35Crmo, 27SiMn, ZT600, ZY850
Size:Diameter range from 355mm-930mm
Kelly stub size:130x130mm, 150x150mm,200x200mm
Warranty:Half a year or 1000 hours
Suitable Rigs:Bauer, Soilmec,Casangrande, Liebherr, IMT, MAIT, Sany, XCMG, Sunward, Zoomlion and more.
DESCRIPTION
Technical Parameter of Kellyway Inter-Locking Kelly Bars
| Diameter (MM) | Elements | Length (M) | Torque (KN·M) | Max Drilling Depth(M) |
| 355 | 3&4 | 8-12 | 180 | 42 |
| 377/368 | 3&4 | 8-13 | 220 | 46 |
| 406/394 | 3&4 | 8-14 | 230 | 50 |
| 419/426 | 3&4 | 8-15 | 250 | 54 |
| 440/445 | 3&4 | 8-15 | 259 | 54 |
| 470 | 3&4 | 8-17 | 280 | 62 |
| 508 | 3&4 | 10-17 | 320 | 62 |
| 530 | 3&4 | 10-20 | 380 | 71 |
| 575 | 3&4 | 10-21 | 420 | 75 |
| 630 | 3&4 | 10-21 | 460 | 75 |
| All specifications can be tailored as per customers’ special requirements. | ||||
Our Advantages
Seasoned R&D and Manufacturing Teams
All of core R&D, process and manufacturing personnel are from best corporations in the
industry, with 10 years of experiences in kelly bar design and manufacturing, they are capable
of designing customized kelly bars and providing technical services for domestic and
internationally renowned brands on long-term basis.
Top Quality Special Raw Materials of Steel Pipes
The raw materials of the steel pipes for kelly bars we use are selected materials supplied by
the best manufacturers at home and abroad, with yield strength and life more than twice that
of generic products, which will meet the strict requirements for the drilling of kelly bars in hard
stones and various formations.
Most Advanced Production &Manufacturing Process
The key components such as stub, key bar, pressure point are made of imported steel, which
undergo special heat treatments and surface peening treatments that not only significantly
improve yield strength, wear resistant, impact resistant and large strain resistant properties,
but also the welding and corrosion resistant properties, will be built to meet the requirements
of high-reliability operation of kelly bar in high-torque, large-diameter, and ultra-deep piles.
Kellyway Kelly Bar for All Brands
Kelly bar for Bauer BG25, 394mm*4*14m and Liebherr LB28, 419mm*4*16m
Kelly bar for Casagrande 419mm*4*10m
Kelly bar for Sany 445mm*4*10m
Kelly bar for Mait HR180, 377mm*4*12m
Factory Product Pictures
Packing & Delivery
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