S-94361A513 3/4"-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 load-bearing capacity with 140,000 psi tensile strength for reliable performance in high-stress industrial applications
- Superior corrosion resistance thanks to the black oxide finish, extending service life in demanding environments
- Precision thread engagement with Class 3A fit ensuring secure, vibration-resistant connections and reduced assembly issues
- Enhanced grip and handling from the knurled head design, allowing for easier manual adjustments during installation
- Optimized for high-torque applications with a 1/2" hex drive, providing secure tool engagement and minimizing slippage
- Accurate component alignment due to the 2 1/2" shoulder length with tight tolerances, reducing wear in rotating assemblies
- Compliance with global regulations including RoHS 3 and REACH, ensuring safe use in international markets
Professional Applications & Engineering Value
This alloy steel shoulder screw is engineered to address critical challenges in precision machinery and heavy-duty equipment. The Class 3A thread fit and UNF fine threading provide exceptional resistance to loosening under vibration, making it ideal for automotive, aerospace, and manufacturing assemblies where reliability is paramount. The black oxide finish not only enhances corrosion resistance but also reduces galling during installation. With a Rockwell C32 hardness and robust shoulder diameter, it serves as a dependable axle or pivot in rotating mechanisms, minimizing backlash and extending component life. Its hex drive design ensures efficient installation in confined spaces, streamlining maintenance and reducing downtime.
Specification Summary & Compliance
This shoulder screw adheres to UNF thread standards with a Class 3A thread fit for precise tolerance control. Key dimensions include a thread size of 3/4"-16, shoulder diameter of 1" with tolerance of -0.004" to -0.002", and shoulder length of 2 1/2" with tolerance of -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) compliance under exemption 6(a) and REACH (EC 1907/2006) standards, ensuring environmental and safety adherence for industrial use.
