Product Overview
This hanger bolt for metal roof features a 200-250 mm shank that reaches the steel purlin through thick sandwich panels and double-skin roof build-ups. The EPDM-bonded washer keeps the outer sheet sealed while the shank carries the load.
Available with the L-foot pre-fitted or as a bare screw with separate bracket. Pull-out ratings are validated for 0.4-0.8 mm outer skins on 50-150 mm sandwich cores.
Key Features
- Long 200-250 mm shank — reaches purlins through sandwich panels
- Validated pull-out — tested on 50-150 mm cores
- EPDM bonded sealing — outer sheet stays watertight
- Bare screw or with L-foot — configure per your rail system
- SS304 body — 10-year corrosion warranty
- Batch MTC — material certificates with every lot
Application Scenarios
Specified wherever thick roof build-ups are involved:
- Sandwich panel roofs — 50-150 mm PU/rock wool cores
- Cold storage warehouses — thick insulated roofing
- Double-skin built-up roofs — spacer and liner systems
- Retrofits on old purlins — longer engagement for safety
Configuration Options
- Shank length — 200 / 220 / 250 mm
- Material — SUS304 / SUS316
- Configuration — with L-foot or bare screw
- Washer — EPDM bonded Ø24-28 mm
- Packing — 50 pcs box / 500 pcs carton
Product Specifications
| Material | SUS304 (316 optional) |
| Shank | M10 × 200-250 mm |
| Core compatibility | 50-150 mm sandwich |
| Pull-out | per purlin spec, ≥ 2.5 kN typical |
| Sealing | EPDM bonded washer |
| Packing | 50 pcs / box |
| Warranty | 10 years |
All products are manufactured in our ISO 9001 certified factory and carry CE / SGS certification. Custom requirements are welcome.
Quality Certifications
Ruhai Material is ISO 9001 certified and ships products compliant with CE and SGS requirements worldwide. Material certificates and test reports are available with each shipment.
Frequently Asked Questions
What is the MOQ for this metal roof hanger bolt?
MOQ is 500 pcs; mixed lengths can share a container.
How do I verify my purlin depth?
Send your roof build-up section drawing; we confirm reach and pull-out.
Is the L-foot removable after install?
The bracket bolts onto the hanger bolt head, so rails can be serviced independently.
Lead time?
5-10 days stock; 12-15 days for 316.
Request a Quote
Send us your specifications, quantity and target port — our sales team replies within 24 hours with a detailed quotation. Send an inquiry now.
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