Robust hex bolt for reliable connections

This hex bolt with UNF 5/8x4.1/2 thread is designed for applications where strength and precision are essential. With a Grade 5 classification, this bolt offers high tensile strength, ideal for demanding constructions.

Specifications and dimensions

• Diameter : 5/8 inch
• Length : 4.1/2 inch
• Thread type : Unified National Fine (UNF)
• Threads per inch : 18
• Wrench size : 15/16 inch
• Head height : 0.390625 inch

Material and finish

Made from high-quality steel and provided with an electroplated zinc coating, this bolt offers excellent corrosion resistance. This ensures a longer lifespan, even in humid or corrosive environments.

Applications

This hex bolt is suitable for various applications, including:

• Automotive sector : Fastening parts where precision and strength are required.
• Machine construction : Assembly of machines and equipment with high loads.
• Construction : Connections in steel structures and other building projects.

Advantages of UNF thread

The fine thread (UNF) provides:

• Higher tensile strength : The finer pitch distributes the load better.
• Better vibration resistance : Less chance of loosening due to vibrations.
• Accurate adjustment : Ideal for applications where precision is crucial.

Standards and quality

This bolt meets the ASME B18.2.1 standard, which guarantees consistent quality and dimensions. The Grade 5 classification corresponds to strength class 8.8, indicating high mechanical strength.

Assembly and compatibility

Thanks to the hex head, this bolt is easy to assemble with standard tools. For optimal performance, it is recommended to use matching Grade 5 nuts and washers, so the connection retains its maximum strength.