S-8077A422 10-24 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 and Black Oxide finish, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable, high-stress fastening applications.
- Precision alignment and reduced wear enabled by the 4" shoulder length with tight tolerances, ensuring stable component positioning.
- Secure and efficient installation with a knurled socket head and 1/8" hex drive, providing excellent grip and torque transmission.
- High-accuracy threading featuring a Class 3A fit and 10-24 UNC coarse thread for quick assembly and vibration resistance.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring quality and environmental safety.
- Enhanced durability with a Rockwell B79 hardness, maintaining performance under repeated use and mechanical loads.
Professional Applications & Engineering Value
This 10-24 UNC shoulder screw is engineered to address critical industrial challenges, such as misalignment and component wear in rotating assemblies. The 316 Stainless Steel material, combined with a Black Oxide finish, provides excellent resistance to corrosion and chemicals, making it suitable for marine, chemical processing, and outdoor equipment. The 4" shoulder length with precise tolerances ensures accurate pivoting and spacing in machinery, reducing friction and maintenance needs. Its socket head design with a knurled texture and hex drive allows for secure tightening in confined spaces, supporting efficient assembly in automation, aerospace, and precision tooling applications where reliability is paramount.
Specification Summary & Compliance
This shoulder screw adheres to Class 3A thread fit and UNC coarse threading standards, ensuring dimensional accuracy and compatibility. Manufacturing follows ASME B18.3 specifications, with shoulder diameter and length tolerances maintained for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
