What Size are Guardrail Bolts?

Guardrail bolts typically come in several sizes, depending on the specific type of guardrail system and its intended use. 

What are the most common sizes for guardrail bolts ?

Diameter: Usually 5/8 inch (15.875 mm) or 3/4 inch (19.05 mm).

Length: Common lengths are 1.5 inches (38.1 mm), 2 inches (50.8 mm), or 2.5 inches (63.5 mm), but this can vary depending on the thickness of the materials being fastened.

These bolts are often galvanized to resist corrosion, especially in outdoor applications. The specific size required can vary based on the design and requirements of the guardrail system, so it's always best to consult the specifications or guidelines provided by the manufacturer or regulatory body for the project.

Hangzhou TR industrial trade Co.,Ltd. come from of Haiyan town Jiaxing,here Near Shanghai city.  Hangzhou TR industrial trade Co.,Ltd which is established in 2013 year and  manufacturer for different types of Socket screws; other type of Bolts (like Carriage bolts; Hex Flange Bolts and Guardrail Bolts) with high quality and reasonable price.

Hangzhou TR industrial trade Co.,Ltd have our own laboratory, which can test the hardness of products, tensile strength and other indicators to ensure the quality of shipment.  

We always remind ourself that quality and customers comes first, so we provide the best products,delivery time and service to our customers. We warmly welcome you to visit our plant and wish we could build a long-term business relationship and create mutual benefits in the future.

Visit our website at https://www.best-bolts.com/ to learn more about our products. For inquiries, you can reach us at manager@bestcofasteners.com