Description
| E (lip) | 10~20±0.5mm |
|---|---|
| H (height) | 30 ~ 80±1mm for C,50-80mm±1mm for Z |
| W (width) | 100 ~ 300±2mm for C purlin and 140 ~ 300±2mm for Z purlin |
| Purlin length | L±2mm |
| With punching holes (single hole or double holes) on WEB side of options | |
| Purlin length | L±5mm3 547 |









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