S-91259A422 10-24 ASME B18.3, ASTM A574 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 strength and durability with alloy steel construction, Rockwell C32 hardness, and 140,000 psi tensile strength for reliable performance in high-stress applications.
- Precise thread engagement and vibration resistance due to Class 3A thread fit, ensuring secure fastening and reduced loosening in dynamic environments.
- Enhanced corrosion resistance with black oxide finish, extending service life in humid or mildly corrosive industrial settings.
- Easy installation and grip featuring a knurled socket head with 1/8" hex drive, allowing for quick assembly and reduced tool slippage.
- Accurate component alignment provided by the 1/4" shoulder diameter with tight tolerances, minimizing misalignment in machinery and assemblies.
- Broad compatibility with UNC coarse threads and standard shoulder fit, facilitating seamless integration into existing industrial designs.
- Compliance with rigorous standards including ASME B18.3, RoHS 3, and REACH, ensuring safety, quality, and environmental responsibility.
Professional Applications & Engineering Value
This 10-24 UNC shoulder screw is engineered to address common industrial challenges such as misalignment, vibration-induced failure, and corrosion. Made from high-strength alloy steel with a black oxide finish, it offers excellent resistance to wear and environmental factors, making it ideal for precision machinery, automotive assemblies, and heavy-duty equipment. The Class 3A thread fit and coarse UNC thread ensure quick, secure fastening, while the knurled socket head enhances grip during installation. By providing reliable shoulder diameter control and high tensile strength, this screw minimizes downtime and maintenance in demanding applications, supporting efficient production and long-term durability.
Specification Summary & Compliance
This shoulder screw features precise dimensions, including a Class 3A thread fit for tight tolerances, UNC coarse threads with 10-24 size, and a shoulder diameter tolerance of -0.004" to -0.002". It meets ASME B18.3 specifications and is compliant with RoHS 3 and REACH environmental regulations, ensuring adherence to industry standards for safety and sustainability.
