Hanger Bolt is one kind of fixings with mounting structure used to screw into steel purlins or wooden rafter on corrugated and trapezoidal roofs. Hanger bolt is frequently used with L feet(L bracket) or stainless steel plate to combine with mounting rail. The Hanger Bolt for solar panel installation is coming with three flange nuts and one UV resistant EPDM washer, the EPDM washer will crate a weatherproof seal when pushing against the roof sheet.
Technical Information
Name: Hanger Bolt for Solar Panel
Compatibility: L feet and Stainless Steel
Suitable Roof: Trapezoidal Roof and Corrugated Roof
Material: Stainless Steel 304 (1.4301)
Dimension: M10*150mm, M10*200mm,M10*250mm,M12*150/200/250mm or customized
Accessory: 3 pieces of flange nuts and EPDM washer
Use of Hanger Bolt
Hanger Bolt normally combine with L feet or stainless steel plate to attach to solar mounting rail.The embedment length of hanger bolt is trapezoidal profile height/sandwich thickness plus 25mm.
It require pre-drilling for the substructures when the purlin or rafther is steel. We recommed diameter for the drilling is in below table:
Steel Thickness(mm)
Pre-drilled diameter(mm)
1.5-5.0
6.8
5.1-6.0
7.0
6.1-8.0
7.2
8.1-10.0
7.4
Hanger Bolt on Corrugated Roof Installation Demo.
We are designing various components for trapezoidal roof and corrugated roof, if you have specific project,feel free to contact us.
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