S-99129A051 5/16"-18 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with 410 stainless steel construction, ideal for harsh industrial environments.
- Reliable thread engagement due to Class 2B thread fit, ensuring secure fastening and reduced risk of loosening.
- Quick and easy installation with coarse UNC threading, speeding up assembly processes in time-sensitive applications.
- Durable external hex drive design provides excellent torque transmission and resists stripping during repeated use.
- Compliance with environmental standards including RoHS 3 and REACH, meeting global regulatory requirements for safe usage.
- Standard inch sizing (5/16"-18) ensures compatibility with a wide range of industrial equipment and components.
- Consistent performance from precise dimensions (1/2" width, 17/64" height), delivering uniform load distribution.
Professional Applications & Engineering Value
This 5/16"-18 UNC hex nut in 410 stainless steel addresses critical needs in demanding sectors like machinery assembly, automotive, and construction. Its coarse thread design minimizes cross-threading risks, while the Class 2B thread fit offers a balance of ease in assembly and vibration resistance, reducing maintenance downtime. The external hex drive allows for high-torque applications without slippage, and the material's inherent corrosion resistance extends service life in humid or chemically exposed settings. Ideal for industrial hex nuts requirements, it ensures reliable fastening in structural and mechanical systems where strength and durability are paramount.
Specification Summary & Compliance
This hex nut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured to standard inch measurements, including a thread size of 5/16"-18, width of 1/2", and height of 17/64", it is suitable for use in regulated industrial applications requiring dependable performance.
