... :M6 - M42,1/4 - 1Length:50 - 500 mmThread:Metric,UNC,UNF,BSW,RDSurface:Passivated,Zinc,YZP,HDGPackaging Detail:Small white or ... only shows our manufacturing capabilities,if customers have any parts of similar manufacturing methods ,please send us the drawings and ... manufacturer engaged in the research, development, production and sale of wedge anchors,drop in anchors,tie wire anchors,hex coupling ...