Black steel threaded rod Dia:Min 2 mm Surface :Zn SGS audited More than 20 years experience in special fastener field 1,Name: Black steel threaded rod ;Steel threaded rod;Black threaded rod2,For the similar threaded rod ,what can we do ?(1), Ability for the material of this kind of threaded rod: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016, ...
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