S-92183A421 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
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs.
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in heavy-duty applications.
- Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash and improved assembly accuracy.
- Enhanced grip and handling from the knurled head texture, preventing tool slippage during installation and removal.
- Versatile 5/16" hex drive allows for standard tool compatibility and efficient torque application.
- Robust Rockwell B55 hardness provides excellent wear resistance and long-term durability under repetitive stress.
- Compliant with RoHS 3 and REACH regulations, ensuring environmental safety and meeting global industry standards.
Professional Applications & Engineering Value
This shoulder screw is engineered to address critical alignment and pivot point requirements in machinery and assemblies. The 3/8"-16 UNC coarse thread and Class 3A fit deliver precise engagement, reducing the risk of cross-threading and ensuring consistent clamping force in high-vibration environments like automotive, aerospace, and industrial equipment. The 18-8 Stainless Steel material offers inherent corrosion resistance, making it suitable for outdoor, marine, or chemically exposed settings. The knurled head enhances operator control during installation, while the 5/16" hex drive facilitates quick assembly with common tools, streamlining production lines and maintenance workflows.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a thread size of 3/8"-16, drive size of 5/16", and shoulder diameter tolerance of -0.004" to -0.002". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances and suitable for regulated industrial applications.
