JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
JM Hardware® Double Head Dowel Screw/ Hanger Bolt for Solar Roof Mounting
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  • Description

What is the function of Double Head Dowel Screw for Solar Roof Mounting ?



The Double Head Dowel Screw or Hanger Bolt is commonly used in solar roof mounting systems to attach solar panels to the roof structure. It has two threaded ends, one with wood threads and the other with machine threads. The wood thread is screwed into the roof rafter, while the machine thread protrudes out of the roof. The solar panel mounting rail is then attached to the machine thread with a nut.

The Double Head Dowel Screw or Hanger Bolt provides a secure and sturdy connection between the solar panel mounting rail and the roof structure. It allows for easy installation and removal of the solar panels, making maintenance and repairs simpler.

Overall, the function of the Double Head Dowel Screw or Hanger Bolt is to provide a reliable and stable connection between the solar panel mounting rail and the roof structure, ensuring that the solar panels are securely attached to the roof and can withstand the elements over time.


  • There are several advantages of JM Hardware® producing Double Head Dowel Screw/Hanger Bolt for Solar Roof Mounting:

    Strong and durable: Double Head Dowel Screw/Hanger Bolt is a heavy-duty fastener that provides a strong and durable connection for solar roof mounting. It can withstand high loads and resist corrosion, ensuring a long-lasting installation.

    Easy installation: The Double Head Dowel Screw/Hanger Bolt is easy to install, requiring only basic tools and minimal effort. This can help save time and labor costs during the installation process.

    Versatile: The Double Head Dowel Screw/Hanger Bolt can be used with a wide range of roofing materials, including metal, asphalt, and tile. This makes it a versatile solution for solar roof mounting.

    Cost-effective: Using the Double Head Dowel Screw/Hanger Bolt for solar roof mounting can be cost-effective compared to other mounting solutions. The simplicity of the design and ease of installation can help reduce overall costs.

    Improved safety: The Double Head Dowel Screw/Hanger Bolt provides a secure and stable anchor for solar panels, helping to improve safety and prevent accidents or damage to property.

    Overall, producing Double Head Dowel Screw/Hanger Bolt for Solar Roof Mounting can be a reliable and cost-effective solution for solar panel installation, offering numerous benefits for both installers and property owners.


JM Hardware® is a company specializing in the production and supply of high-quality fasteners, providing various types of fasteners for the solar industry, such as screws, nuts, washers, etc. These fasteners are extremely corrosion resistant and durable for long-term reliability and stability in harsh weather conditions.


JM Hardware® fasteners have been widely used in many solar energy projects, which involve solar panels, solar water heaters, solar photovoltaic power generation and other fields. These fasteners are highly rated by professionals because they ensure the safety and reliability of solar equipment during installation and use.


First of all, our production process is carried out in strict accordance with the ISO 9001 quality management system standard, and all fasteners are manufactured on high-precision production equipment to ensure the precision and quality of each product.


Secondly, our inspection process is very strict, all fasteners have to go through strict inspection procedures, including appearance inspection, dimension measurement, material inspection, performance test, etc. Only the fasteners that have passed all the testing procedures can leave the factory, ensuring the consistency and reliability of the products.

Most importantly, our fasteners have been widely used in many solar energy projects, including solar panels, solar water heaters, solar photovoltaic power generation and other fields. Our products have been highly appraised by professionals because they can ensure the safety and reliability of solar equipment during installation and use.


JM Hardware®'s fasteners are packaged with great attention to quality and detail to ensure our customers can use our products with confidence. The following are our packaging measures:

First of all, we use high-quality packaging materials, such as poly bags, cardboard boxes and wooden boxes, etc., to ensure that the products will not suffer any damage or contamination during transportation. Our packaging materials are also rigorously screened and tested to ensure their quality and reliability.

Secondly, our fasteners are packaged in layers during the packaging process to avoid confusion of fasteners of different specifications or models, which is convenient for customers to use. We will also mark the model, quantity, specification, weight and other information of the product, so that customers can quickly identify and classify the product after receiving it.

Thirdly, we have printed our brand logo and contact information on the packaging to enhance customers’ awareness and trust of our brand, and to allow customers to contact us conveniently, and we will always be there for customers if they have any questions or problems Offer support and help.

In conclusion, JM Hardware®'s fasteners are packaged with great attention to detail and quality, our customers can use our products with confidence. Our packaging measures not only ensure that the products will not suffer any damage or contamination during transportation, but also allow customers to easily identify and classify products, enhancing trust and awareness of our brand.
Our shows and client engagements prove that JM Hardware® is fully capable of contracting fasteners for solar projects. Our products comply with industry standards and international standards, with high quality, high reliability and stability, and can meet the needs of various complex solar energy projects. If you need high-quality fasteners to support your projects, please consider choosing products from JM Hardware®, we will serve you wholeheartedly.

Our vision is to make JM Hardware® a well-known Chinese brand of high-end hardware parts in the world,and your cooperation will be an important part of it

If you do not see the product you need, or you have special customization requirements, you can send an email to xarella.huang@jm-industry.com. JM Hardware® will do our best to help you solve the problem

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