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HAOJI Fasteners Inc | Denver, Colorado Call +1 224 224 0396
HAOJI FASTENERS INC

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Standard and custom fasteners for demanding industrial assemblies.

Aluminum Sliding Nut

Aluminum Sliding Nut

Aluminum sliding nut, freely sliding in rail groove, anti-corrosion for PV mounting system.

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Stainless Steel Wing Nut

Stainless Steel Wing Nut

Stainless steel wing nut, tool-free installation, anti-rust for PV mounting systems.

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PV Integrated Clamp

PV Integrated Clamp

All-in-one PV integrated clamp, 6063-T5 aluminum, anti-corrosion, easy installation for solar module mounting.

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PV Walkway Panel

PV Walkway Panel

This anti-slip PV walkway panel is specially used for solar rooftop maintenance. It features high weather resistance and stable load-bearing performance. It ensures worker safety and protects solar modules from damage during installation and maintenance. Easy to lay and durable for long-term outdoor use.

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Aluminum PV Rail

Aluminum PV Rail

This aluminum PV rail serves as the primary support profile for solar mounting structures. Manufactured from 6063-T5 anodized aluminum alloy, it delivers high tensile strength and superior corrosion resistance. It bears the weight of solar panels and works seamlessly with clamps and connectors. Lightweight, easy to cut and install, it is widely used for rooftop and ground-mounted PV projects.

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Aluminum PV Mid Clamp

Aluminum PV Mid Clamp

This aluminum PV mid clamp is developed for typhoon-resistant PV projects. Made of 6063-T5 anodized aluminum alloy, it offers even and strong clamping force to fasten adjacent solar modules against heavy winds. Featuring great corrosion resistance and easy installation, it is ideal for rooftop and ground solar systems in high-wind regions.

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Aluminum L Bracket

Aluminum L Bracket

This L-shaped aluminum angle bracket serves as a connector for PV mounting systems. Fabricated from 6063-T5 anodized aluminum alloy, it has high rigidity and good corrosion resistance. It reinforces the solar bracket structure, supports heavy loads and is easy to install for rooftop and ground solar projects.

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Aluminum PV End Clamp

Aluminum PV End Clamp

This aluminum PV end clamp is used to fix the outermost solar modules. Made of high-strength 6063-T5 anodized aluminum alloy, it provides stable and reliable clamping force. It effectively prevents module displacement under wind and snow loads. Featuring corrosion resistance, simple installation and long service life, it is widely applied in rooftop and ground photovoltaic mounting systems.

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Dual Glass Module Mid & End Clamp

Dual Glass Module Mid & End Clamp

Custom for frameless dual glass solar panels. 6063-T5 anodized aluminum. Protect glass, uniform clamping, anti-corrosion and easy installation.

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Solar Panel Snow Guard Clip

Solar Panel Snow Guard Clip

The snow clip is a special PV mounting accessory used to retain snow on solar modules and prevent sudden snow sliding. Made of 6063-T5 anodized aluminum alloy, it has high mechanical strength and excellent corrosion resistance. Simple installation and reliable fixing performance. It effectively reduces the risk of snow avalanche damage and protects the solar array, widely used in snow-prone photovoltaic projects.

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Longi Special Clamp

Longi Special Clamp

Specially designed for Longi solar modules. 6063-T5 anodized aluminum. Perfect frame matching, stable clamping, anti-corrosion and quick installation.

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C / A / New B / O / F Type Clamp

C / A / New B / O / F Type Clamp

Clamp A is one of the key fittings for photovoltaic mounting systems. It is designed for connecting and fixing solar rails and support components. Made of 6063-T5 anodized aluminum alloy, it features high strength and excellent corrosion resistance. Simple installation and stable clamping force, reliable under wind and snow loads, widely used in rooftop and ground solar power stations.

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Vertical Clamp – Abstrac

Vertical Clamp – Abstrac

The vertical clamp is a critical accessory for photovoltaic mounting systems. It serves to fasten the mounting rail onto vertical posts. Fabricated from 6063-T5 anodized aluminum alloy, it possesses high mechanical strength and superior corrosion resistance. Simple for field assembly with solid connection performance. It can withstand wind and snow loads reliably, widely applied in ground-mounted and rooftop solar projects.

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Stainless Steel Nut

Stainless Steel Nut

solar mounting brackets,solar panel clamps,grounding clamp solar PV,SS316 solar fasteners,A4-80 solar bolts,Zn-Al-Mg solar fasteners,custom solar fasteners todrawing,OEM PV mounting hardware

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PV Mid Clamp

PV Mid Clamp

The PV mid clamp is a core mounting component for solar systems. It is installed between two adjacent solar modules to achieve firm and unified fixation. Adopting 6063-T5 anodized aluminum alloy, it provides high strength, outstanding weather resistance and corrosion resistance. With standardized structural design, it delivers balanced clamping force, effectively stabilizing solar panels against wind and snow loads, and ensuring the overall structural safety of photovoltaic power stations.

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PV End Clamp

PV End Clamp

Used to fasten the outermost solar modules. Made of 6063-T5 anodized aluminum. Reliable clamping force, good corrosion resistance, easy installation for rooftop and ground solar projects.

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T Type Clamp

T Type Clamp

The T-type fixture is a high-strength fastening accessory specially designed for rooftop photovoltaic installation. Made of premium Zn-Al-Mg steel or stainless steel, it features excellent corrosion resistance, weather resistance and structural stability. With a professional T-shaped force-bearing structure, it provides uniform stress and firm locking, effectively preventing solar modules from shaking, shifting and loosening under wind load. Easy to install and highly versatile, it matches most PV mounting rails, mid clamps and end clamps, widely used for color steel tile rooftops, residential & commercial PV systems, solar sunrooms and carports.

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M Type Water Gutter

M Type Water Gutter

M-type PV water gutter is a BIPV waterproof & drainage accessory, made of Zn-Al-Mg steel. It is installed under PV panel seams to channel rainwater and avoid roof leakage, compatible with solar clamps and mounting rails.

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MC4 Connector – Brief Introduction

MC4 Connector – Brief Introduction

MC4 photovoltaic connector is a DC connector for solar systems, IP67 waterproof, with mechanical lock & anti-reverse design, certified by TUV & IEC, used to connect solar panels, combiner boxes and inverters.

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