SS304 Hanger Bolt Dowel Screw for Solar Roof Mounting

Solar mounting fastener standard
Material: SS304 stainless steel; tensile strength ≥515MPa, yield strength ≥205MPa, corrosion-resistant for outdoor use
Structure: Integrated hanger ring + dowel positioning rod + full-thread section + countersunk head + anti-slip thread
Surface Treatments: Passivation (salt spray resistance ≥1000h), no secondary coating, retaining SS304 inherent performance
Size: Nominal diameter M6–M12, rod length 50–180mm, hanger ring inner diameter 12–25mm, load-bearing 40–120kg

Superior Corrosion Resistance: SS304 stainless steel resists rain, UV, and industrial fumes, adapting to 25+ years of outdoor service
Hanger-Dowel Integration: Dowel rod ensures precise positioning in roof keels; hanger ring facilitates PV bracket suspension, simplifying installation
Stable Load-Bearing: One-piece forming avoids joint breakage; full-thread design enhances connection firmness with roof structures
Roof-Friendly Design: Countersunk head fits flush with roof surfaces, avoiding water accumulation; anti-slip thread resists wind-induced loosening
Wide Adaptability: Matches metal, tile, and concrete roofs; applicable to residential/commercial rooftop PV systems and small solar farms

Product Parameter (Specification)

Dimensions	Customized	Material	Carbon steel, Stainless Steel,Brass,Aluminum
Unit	Piece	Packing	Bulk cartons with pallet or customized packing

SS304 Hanger Bolt Dowel Screw for Solar Roof Mounting for Furniture Application Scenario Table

Application Field	Specific Scenarios	Standards & Grades	Key Considerations
Residential Solar Roofs	Wooden roof rafters, metal sheet roof joists, asphalt shingle roof mounts, composite roof solar installations.	SS304 (A2-70).	Dual-thread (dowel + hanger) design fits wood/metal substrates; Corrosion-resistant for outdoor use; High tensile strength resists wind/snow loads.
Commercial Building Rooftops	Office building steel roof frames, shopping mall rooftop solar arrays, hotel roof PV system fixes.	SS304 (A2-70).	Compatible with solar mounting rails; Precise threading ensures stable fixation; Meets commercial solar safety standards.
Industrial Solar Facilities	Factory metal roof beams, warehouse wooden roof purlins, industrial plant PV project fasteners.	SS304 (A2-70).	Weather-resistant for long-term use; Durable in industrial environments; Dual-thread adapts to mixed substrate installations.
Outdoor Solar Auxiliary Mounts	Solar carport wooden/metal frames, shed roof solar fixes, ground-mounted solar support connections.	SS304 (A2-70).	Easy installation without extra anchors; Anti-loose threading; Compatible with standard solar hanger brackets.