S-8077A456 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 industrial environments
- Exceptional load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance under stress
- Precise thread engagement with Class 3A fit and UNC coarse threads ensuring secure fastening and vibration resistance
- Enhanced grip and tool compatibility from the knurled socket head and 1/8" hex drive, preventing slippage during installation
- Accurate shoulder positioning with tight diameter and length tolerances for consistent alignment in assemblies
- High durability with Rockwell B79 hardness, maintaining integrity in repetitive use applications
- Broad regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for safe, quality-assured use
Professional Applications & Engineering Value
This 10-24 UNC shoulder screw delivers critical engineering solutions in demanding sectors like machinery, automotive, and aerospace, where precision and reliability are non-negotiable. Crafted from 316 Stainless Steel with a Black Oxide finish, it combats corrosion and wear in humid or chemical-exposed settings. The Class 3A thread fit and coarse UNC thread design minimize loosening under vibration, while the knurled socket head and hex drive enable quick, secure torque application. Its robust shoulder—with controlled diameter and length tolerances—ensures exact component spacing, reducing assembly errors and enhancing operational lifespan in pivots, guides, and rotating mechanisms.
Specification Summary & Compliance
This shoulder screw adheres to Class 3A thread fit and UNC thread standards for precise dimensional accuracy. Manufacturing follows ASME B18.3 specifications, with shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met.
