Solar hanger bolts have a coarse wood thread at one end for driving into rafters and purlins, and a machine thread at the other to receive the mounting rail hardware. Supplied with EPDM sealing washer and nut to keep the roof penetration watertight.
Supplied in bulk to distributors, importers and hardware brands worldwide, including private-label packaging in the customer's own branding. Non-standard sizes and made-to-drawing variants are produced to order, with a material test certificate on every consignment.
| Product Type | Solar hanger bolt — wood thread to machine thread, with EPDM washer and flange nut |
| Standards | Machine thread to ISO 261 / ISO 965 (6g); stainless to ISO 3506 (A2-70 / A4-70) |
| Material Grades | SS 304 (A2-70), SS 316 (A4-70); hot dip galvanized carbon steel |
| Size Range (Metric) | M10 and M12 (M8 on request) |
| Size Range (Imperial) | 3/8" and 1/2" |
| Length Range | 120 mm to 350 mm (5" to 14") |
| Head / Drive Type | Headless — hex or Torx drive collar between threads; EPDM sealing washer |
| Finish | Passivated stainless, hot dip galvanized |
| Custom Options | Adaptor plates and L-feet, thread lengths, EPDM washer sizes, made to drawing |
| Certification | Material Test Certificate, EN 10204 3.1 |
| Packaging | Boxed in standard counts, bulk cartons, or private label to customer specification |