方形支撑托架孔径DF=Ø48.3/50.9mm

尼龙固定底脚螺纹直径M(mm)：M8-M10-M12-M16-M24螺纹高度：50  75  80  100  150                           

管背接头SH-409圆管A直径：Da=Ø48.3mm圆管B直径：Db=Ø42.4mm圆管B壁厚：t=1.5mmL=36.2mm

支脚三通SH-501孔径DF(mm)=Ø48.3/50.9/60.3

侧边支撑架孔径DF=Ø48.3/50.9mm

长四方形支撑托架孔径DF=Ø48.3/50.9/60.3mm

转换内孔衬套孔径DF=Ø38mm

方形三脚底架孔径DF=Ø42.4/48.3/50.9/60.3mm

三脚底架孔径DF=Ø42.4/48.3/50.9/60.3mm

方形两脚底架孔径DF=Ø42.4/48.3/50.9/60.3mm

方形两脚半底架孔径DF=Ø42.4/48.3/50.9/60.3mm

两脚底架孔径DF=Ø42.4/48.3/50.9/60.3mm