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Keywords [ interlock kelly bar ] match 420 products.
buy JTHL all types of rotary drilling interlocking and friction kelly bar online manufacturer

JTHL all types of rotary drilling interlocking and friction kelly bar

Price: USD 10000-USD50000 MOQ: 1 set
Product Name Interlocking /Frctional Kelly Rod
Warranty 1 Year,6 Months
Application Post Hole Digging Machine,Large Caliber Pile Foundation Pilling
Material Q345B,35CrMo,27SiMn
Weight 5-20T
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