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Products > spring applied > Hebei KongRui Machinery Equipment Co.,Ltd | Similar Products
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spring applied

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

Friction Kelly Bar

Friction Kelly Bar
KR Drilling Kelly bar Info Friction Kelly bar applied to the soft and mud formation layer. Six -ribs makes the whole set Kelly bar light weight,high stength and linearity of the single pipe, the ...

Interlocking Kelly Bar

Interlocking Kelly Bar
Kelly bar InfoUsually 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 process, the ...
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