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Solar Hanger Bolt Solar Hanger Bolt
Solar Hanger Bolt Solar Hanger Bolt
Solar Hanger Bolt Solar Hanger Bolt
Solar Hanger Bolt Solar Hanger Bolt
Solar Hanger Bolt Solar Hanger Bolt
Solar Hanger Bolt Solar Hanger Bolt

High-Strength Solar Mounting Fastener System Hanger Bolt and Hex Flange Nut

Availability:
Quantity:
  • M5

  • 0.8

  • 3.74

  • 3.26

  • 8

  • 7.64

The Solar Photovoltaic Hanger Bolt is a critical fastening component used in the mounting systems for solar panels. These bolts are designed to securely attach the solar panel frames to the supporting structure, be it a roof or a ground-mounted rack.
Product Description
Specification CategoryValues/Range
Product NameSolar PV Hanger Bolt
MaterialCarbon Steel, Stainless Steel
FinishGalvanized, Zinc-Plated, Stainless
Thread TypeUNC (Unified National Coarse), Metric
Diameter6, 8, 10, 12 (common sizes)
Length50-300 (depending on application)
Load CapacityUp to several thousand kg (depends on size and material)
Strength Grade4.6, 8.8, 10.9 (common grades)
Head TypeHex Head, Flange Head
Drive TypePhillips, Slotted, Socket
ApplicationRoof-Mounted, Ground-Mounted
Temperature RangeTypically -40°C to 120°C
CertificationsISO 9001, CE Marking


Key Features


Material & Construction:

Bolt: Carbon steel C1045 (tensile strength 600 MPa), hot-dip galvanized (85μm zinc coating), passing 1500 hours salt spray test (ASTM B117).

Hex flange nut: ISO 4161 compliant with serrated washer, providing 35% higher anti-loosening torque (25-50Nm) than standard nuts in vibration-prone areas.

Double-ended threads: M8-M12 (metric) and 3/8"-1/2" (imperial), with hexagonal shank (19-24mm) for easy wrench engagement during installation.

Design Advantages:

Load-bearing capacity: 80-200kg per bolt (depending on size), compliant with IEC 61215 for wind speeds up to 240km/h and snow loads up to 2kPa.

Thread pitch: 1.25mm (fine) for precise adjustments and 1.75mm (coarse) for rapid tightening, suitable for both manual and automated installations.

Installation & Compliance:

Pre-assembled nut-bolt pair: Reduces installation steps by 40%, ideal for large solar farms with 10,000+ panel installations.

Compliance: UL 467, RoHS 3.0, and ISO 9001 certified, with mill test certificates provided for each batch.

Size & Finish:

Lengths: 100-300mm in 50mm increments, compatible with standard solar mounting rails (6063-T5 aluminum and Q235 steel).

Optional coatings: Zinc-rich epoxy for coastal areas (ISO 12944 C5-M) and black oxide for aesthetic rooftop installations.


Applications


Rooftop PV Systems: Connects solar panels to aluminum rails on residential and commercial buildings, enduring thermal expansion (18μm/m°C) and UV exposure.

Ground-Mounted Trackers: Fastens solar tracker structures to ground screws or concrete foundations, resisting soil corrosion (pH 5-9) and mechanical stress.

Bifacial Panel Support: Provides balanced load distribution for double-sided panels, critical for maximizing energy yield in high-moisture environments.

Cable Management: Secures electrical cable trays and junction boxes in solar farms, with flange nuts preventing loosening from temperature cycles (-40°C to +85°C).


FAQ


Wind Resistance Engineering: Designed to meet IBC 2021 and AS/NZS 1170.2 standards, reducing panel displacement risks by 60% in extreme weather.

Installation Efficiency: Pre-assembled components cut labor costs by 30% for large projects, supported by installation guides and video tutorials.

Corrosion Warranty: 10-year warranty on galvanization, backed by third-party testing, ensuring peace of mind for EPC contractors.

Custom Solutions: Offer non-standard lengths and anti-seize coatings for unique mounting designs, with 7-day turnaround for prototypes.


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