S-8077A556 5/8"-11 ASME B18.3 Shoulder Screws
Shoulder 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
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in high-stress applications
- Precise alignment and smooth rotation ensured by the Class 3A thread fit and standard shoulder, reducing wear and assembly time
- Enhanced grip and non-slip handling from the knurled socket head, allowing for secure tool engagement during installation
- Improved durability and reduced galling with the black oxide finish, providing added surface protection and consistent performance
- Broad compatibility and easy installation thanks to the 3/8" hex drive and UNC coarse threads, fitting standard tools and components
- Compliance with stringent industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure. The black oxide finish enhances corrosion resistance, making it suitable for demanding environments like marine, chemical processing, and outdoor machinery. Its UNC coarse threads and Class 3A fit provide precise engagement, reducing the risk of cross-threading and ensuring reliable fastening in assemblies requiring rotational components, such as pivots, gears, and linkages. The knurled socket head offers superior torque transmission, minimizing slippage during high-torque applications. Ideal for industrial fasteners in automotive, aerospace, and heavy equipment, this screw delivers long-term durability and consistent performance under varying loads.
Specification Summary & Compliance
This shoulder screw features a 5/8"-11 UNC thread with Class 3A fit for high precision and tight tolerances. It complies with ASME B18.3 manufacturing standards, ensuring dimensional accuracy and reliability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
