18x12m warehouse building door rail detail drawing is given in this file. 12mm, and 16mm plates are used to the door rails. 4 numbers of 10mm bolts are used to the two rails. 8 numbers of 19mm bolts are used to the two rails. 8 numbers of 20mm bolts are used to the two rails. For more details download the AutoCAD drawing file from our cabull website.
