Plain ss thread bar Surface :Plain Machined and turned SGS audited More than 20 ... fastener 1,Name: Plain ss thread bar;SS thread bar;Plain thread bar2,For the similar threaded bar ,what can we do ?(1 ... ), Ability for the material of this kind of thread bar: Grade3.6,4.6,4.8,5.6,6.8 ... hardware fastener ,especially the cutting/turning parts. Plain ss thread bar