S-94361A133 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
- Superior load-bearing capacity with 140,000 PSI tensile strength for reliable performance in high-stress applications
- Enhanced corrosion resistance from the black oxide finish, extending service life in demanding industrial environments
- Precise thread engagement with Class 3A fit and UNF fine threads ensuring vibration resistance and secure fastening
- Optimized installation control through the knurled socket head design that prevents tool slippage during torque application
- Exceptional material durability from alloy steel construction with Rockwell C32 hardness for long-term wear resistance
- Accurate component alignment via the precision-machined shoulder with tight diameter and length tolerances
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global manufacturing applications
Professional Applications & Engineering Value
This alloy steel shoulder screw delivers critical engineering solutions for precision machinery and industrial equipment. The Class 3A thread fit combined with UNF fine threads provides exceptional vibration resistance in rotating assemblies and moving components, preventing loosening under dynamic loads. The black oxide finish offers reliable protection against corrosion in manufacturing environments where exposure to moisture and chemicals is common. The knurled socket head design ensures positive tool engagement during installation, reducing the risk of stripped drives and assembly errors. These shoulder screws are engineered to maintain precise alignment in bearing mounts, linkages, and pivot points while withstanding the 140,000 PSI tensile strength requirements of heavy-duty applications across automotive, aerospace, and industrial machinery sectors.
Specification Summary & Compliance
This precision fastener maintains Class 3A thread fit tolerances per UNF standards with shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". Manufactured from alloy steel with Rockwell C32 hardness and 140,000 PSI tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance.
