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Products > forging processing > Hebei KongRui Machinery Equipment Co.,Ltd | Similar Products
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forging processing

" found 2 Products from Hebei KongRui Machinery Equipment Co.,Ltd, China
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(1-2 out of 2)

Interlocking Kelly Bar

Interlocking Kelly Bar
undergone quenched-tempered heat treatment.Kelly drive stub Materials: Soid forging with HRC305-335 and tensile strength 1050 Mpa.External pressure key: 35CrMoTi.Kelly spring ...

Full Lock Kelly Bar

Full Lock Kelly Bar
KR Drilling Kelly bar Info Usually full lock kelly bar is composed of three weld-on ribs continuous concave and convex keys. It especillay for hard ground and frozen oil formation layer.When drilling ...
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