S-94361A348 5/16"-24 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
- Exceptional load-bearing capacity with 140,000 psi tensile strength for reliable performance in demanding applications
- Precision thread fit with Class 3A UNF fine threads ensuring vibration resistance and secure fastening
- Enhanced corrosion protection through black oxide finish, extending service life in harsh industrial environments
- Superior wear resistance from Rockwell C32 hardness, maintaining dimensional stability under repeated use
- Secure tool engagement with knurled hex socket head preventing cam-out during installation
- Accurate component alignment via 1-3/4" shoulder length with tight ±0.005" tolerance for precise positioning
- Environmental compliance meeting RoHS 3 and REACH regulations for global manufacturing applications
Professional Applications & Engineering Value
This alloy steel shoulder screw delivers critical engineering solutions where precision alignment and high-strength fastening are paramount. The 5/16"-24 UNF Class 3A fine thread provides superior resistance to vibrational loosening in machinery, automotive, and aerospace assemblies. The black oxide finish significantly enhances corrosion resistance while maintaining dimensional accuracy. The precisely machined 1-3/4" shoulder length with tight tolerances ensures perfect component alignment in rotating mechanisms, bearing mounts, and precision instruments. Engineered for heavy-duty industrial applications, this shoulder screw maintains structural integrity under extreme loads while the knurled socket head guarantees secure tool engagement during installation and maintenance cycles.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit and shoulder diameter tolerance of -0.004" to -0.002". Features UNF fine thread specification with 5/16"-24 thread size and right-hand thread direction. The shoulder length maintains precision with -0.005" to 0.005" tolerance. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility in industrial applications.
