S-94328A898 3/8"-16 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 durability with 140,000 psi tensile strength and Rockwell C30 hardness for reliable performance in heavy-duty applications
- Superior corrosion resistance thanks to the black oxide finish, extending service life in demanding industrial environments
- Precise thread engagement with Class 3A fit and UNC coarse threads ensuring secure fastening and vibration resistance
- Easy installation and removal with hex drive and knurled low-profile socket head providing excellent grip and torque transmission
- Accurate shoulder positioning featuring tight diameter and length tolerances for consistent alignment in assembly operations
- Compliance assurance meeting RoHS 3 and REACH regulations for safe use in regulated industries
- Versatile right-hand threading compatible with standard UNC components for broad application compatibility
Professional Applications & Engineering Value
This alloy steel shoulder screw delivers critical engineering solutions where precision alignment and high strength are paramount. The black oxide finish provides essential corrosion protection for machinery, automotive, and industrial equipment exposed to harsh conditions. With its Class 3A thread fit and precise shoulder dimensions, this fastener eliminates play in rotating assemblies, pivots, and guide mechanisms. The low-profile socket head with knurling ensures secure tool engagement in confined spaces, while the 140,000 psi tensile strength withstands extreme operational stresses. These shoulder screws are engineered to maintain dimensional stability under load, reducing maintenance downtime in precision manufacturing applications.
Specification Summary & Compliance
This shoulder screw maintains Class 3A thread fit per UNC standards with shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental compliance for industrial fastening applications. The component features right-hand 3/8"-16 UNC coarse threads with standardized shoulder fit for consistent performance across assemblies.
