Rotary sleeve is used to transfer torque and pressure to kelly bar , it is welded at the inner of rotary drive terminal . Different rotary terminal type is with different size .Can supply the key board to Bauer ,Soilmec , IMT , Sany XCMG, etc.
Material:stainless steel 35CrMo
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Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686
Cathy Lee
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