Customization: | Available |
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Certification: | CE, ISO9001: 2015 |
Condition: | New |
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SW kelly bar Concentration & Innovation for 20 years |
SW kelly bar Product Description |
1 | Steel tube | ·Seamless alloy tube same ashydro-cylinder ·Much higher nominal loadingtorque of Kelly bars ·Shot Blasting before welding |
5 | Drive shell | · Robot cutting and welding ·Integral arc plate High wear resistance |
2 | Extermal strips | ·Alloy material heat-treated. ·High hardness and highabrasion-resistance |
6 | Terminal joint | Robot cutting and welding Overlapping of intermal andextemnal plates Small tendency for cracking |
3 | Locking plate | ·Alloy material heat-treated ·High hardness and highabrasion-resistance ·Robot cutting. ·Tail structure reduce crackingtendency |
7 | Anti-friction plate | Full-rotating Reduce wear on pipe endsand stopper plate |
4 | Upper guide ring | ·Three moving rings. ·Wear-resistance. ·Impact resistance |
8 | Tool joint | Integral forging with leghth notless than 1.2 metersSignificantly reduce weld load |
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