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Brand Name : JTHL
Model Number : OD406
Certification : ISO
Place of Origin : China
MOQ : 1 set
Price : USD 30000-USD 50000
Payment Terms : L/C, T/T, Western Union
Supply Ability : 100 sets/ month
Delivery Time : 5-8 work days
Packaging Details : Packaged With Steel Pallet and Aluminium Film
Usage : Rotary Piling Rig Attachment
Product Name : Rotary Table Kelly Bushing Kelly Rod
Drilling Depth : 20-80m
Drilling Diammeter : 500-3000mm
Brand : Jietaihongli
Material : Seamless Tube
Customized Drilling Tools Piling Rig Attachment Kelly Rod Kelly Bar BG28 OD419x4x19m
Elements | 2-6 |
Damping Spring | Usual spring & Disc spring |
Kelly Box | 200*200 |
Kelly bars can be divided into two main types: friction kelly bars and interlocking kelly bars. Friction kelly bars are named such due to the frictional contact created between the rails of each element. Interlocking kelly bars, on the other hand, do not have frictional contact between the rails of each element, but instead have drive ribs that are welded with lock devices in order to transfer the maximum amount of torque to each scope. Standard kelly bars are manufactured to be fully lockable systems with a mechanical locking mechanism between each element and the outer bar and rotary drive.
Kelly Bar Workshop Factory Supply
Kelly Bar Delivery
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Rotary Table Kelly Bar Piling Rod 3-5 Sections For Foundation Drilling Hole soilmec kelly bar Images |