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[China]
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Address: 1903, Building 3, No. 10 Yard, Ronghua South Road, Beijing Economic and Technological Development Zone
Contact name:Manager
Beijing Jietaihongli Technology Co., Ltd. |
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Verified Suppliers
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Interlocking Mechanical Kelly Bar OD406 X4X15m
Interlocking kelly bar is of great pressure transmission and good
anti-contortion perfomance. There are 3 rigid parts between
drilling pipes to transfer greater pressure from embedding
cylinder. And even at the hard geologic condition it can transfer
greater pressure and drill in. Stair key, organization transmission, the outside key is made by
highly wear-resisting tempering steel. For soft fromations, (weak)
weathered rock, hard strata construction.
