Railway and Transportation Infrastructure: These channels are used in the fabrication of railway tracks and similar infrastructure, giving the mandatory rigidity and aid. We advise M8 metal inserts and M8 x 16mm bolts (revealed). Never use Wooden screws as these will likely not let the timber expand and contract https://c-channel-installation64073.slypage.com/36312503/examine-this-report-on-c-channel-manufacturers