Solar Panel Bolts

High-strength bolts for PV mounting systems

Engineering-grade bolts engineered for rooftop and ground mount solar panel installations. Superior corrosion resistance and mechanical properties for reliable long-term performance.

Applications

Rooftop Mounting

Secure attachment of solar panels to rooftop racking systems. Requires weather-resistant fasteners with consistent mechanical properties.

Ground Mount Systems

High-strength bolts for ground-mounted PV installations where structural integrity and corrosion resistance are critical.

Solar Panel Bolt Specifications

PropertyValueNote
Thread Sizes
  • M8
  • M10
  • M12
  • M14
  • M16
Most common: M8, M10, M12
Length Range20mm - 200mmCustom lengths available
Material Grade
  • Grade 8.8
  • Grade 10.9
  • Stainless Steel 304/316
Per application requirements
Head Types
  • Hex Head
  • Flange Head
  • Socket Head
Standard and custom
Surface Treatment
  • Zinc Plating (240-480h)
  • Zinc-Nickel (720-1000+h)
  • Hot-Dip Galvanizing
Cr3+ passivation standard

Surface Treatment Options

Surface treatment options per ISO standards. Coating specifications, corrosion classification, and service life data provided per application requirements.

Zinc Plating

Standard corrosion protection with 240-480 hours salt spray resistance.

Salt Spray Resistance: 240-480 hours

Key Advantages:

  • Cost-effective solution
  • Good general corrosion protection
  • Suitable for standard installations

Zinc-Nickel Plating

Premium corrosion protection with 720-1000+ hours salt spray resistance.

Salt Spray Resistance: 720-1000+ hours

Key Advantages:

  • Superior corrosion resistance
  • Extended service life
  • Ideal for harsh environments

Quality & Engineering

Material Traceability

Full material certificates and batch tracking available. Ensures quality consistency and compliance with specifications.

Mechanical Properties

Grade 8.8 and 10.9 bolts meet ISO 898-1 standards. Testing reports available upon request for specific applications.

OEM/ODM Capability

Custom thread specifications, head types, lengths, and packaging available. Our engineering team works with you to develop solutions that meet your specific racking system requirements.

  • Custom thread sizes and lengths
  • Specialized head designs
  • Branded packaging and labeling
  • Bulk packaging solutions

Frequently Asked Questions

Request Solar Panel Bolt Quote

Get pricing, MOQ, and technical specifications for your solar panel mounting requirements.