S-98130A620 3/8"-16 x 2 1/4" Pentagon Head Screws
Pentagon Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh environments and reducing long-term maintenance costs.
- High-torque installation capability with the external pentagon head and 13/16" drive, preventing tool slippage and ensuring a secure, reliable fastening.
- Superior load-bearing strength with a 70,000 psi tensile strength and Rockwell B70 hardness, providing dependable performance under high stress.
- Reliable and consistent thread engagement due to the UNC coarse thread and Class 2A fit, facilitating faster assembly and reducing cross-threading risks.
- Full-length threading for maximum grip and holding power along the entire 2 1/4" length, enhancing joint integrity.
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring suitability for global industrial supply chains.
Professional Applications & Engineering Value
This 3/8"-16 UNC pentagon head screw is engineered to solve critical fastening challenges in demanding industrial applications. The robust 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it a durable choice for machinery, structural assemblies, and outdoor equipment exposed to moisture or chemicals. The external pentagon drive and coarse UNC threading are specifically designed for high-torque applications where vibration resistance and quick assembly are paramount. Its fully threaded design and Class 2A thread fit ensure a precise and secure connection, minimizing the risk of loosening in high-vibration environments and enhancing the overall reliability of the assembly.
Specification Summary & Compliance
This screw adheres to the UNC thread standard with a Class 2A thread fit for consistent and reliable engagement. Manufacturing and material specifications ensure dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated markets and environmentally conscious projects.
