S-92183A343 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, ensuring long-term reliability in harsh environments
- Exceptional mechanical strength with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding load applications
- Precise Class 3A thread fit for secure, vibration-resistant assemblies and reduced risk of loosening
- Easy installation and removal with 3/16" hex socket drive and knurled head for improved grip during torque application
- Accurate shoulder positioning with tight diameter and length tolerances for consistent alignment in rotating parts and assemblies
- Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe, sustainable use
- Versatile coarse UNC threading enabling quick assembly and disassembly in industrial equipment and machinery
Professional Applications & Engineering Value
This 3/8"-16 UNC shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it ideal for machinery exposed to moisture, chemicals, or outdoor conditions. The hex socket head with knurling ensures secure tool engagement, minimizing slippage during high-torque installations. With a Class 3A thread fit and precisely controlled shoulder dimensions, this screw maintains exact positioning in rotating assemblies, pivots, and guides, reducing wear and misalignment. Its 70,000 psi tensile strength and Rockwell B55 hardness support heavy-duty use in automation, automotive, and mounting systems, where reliability and repeatability are paramount.
Specification Summary & Compliance
This shoulder screw adheres to UNC coarse thread standards with a Class 3A thread fit for high precision. Shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.002" to 0.002", ensuring consistent fit in assemblies. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for regulated industries and environmentally conscious operations.
