S-92183A142 4-40 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 long-term reliability.
- Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring secure, high-load connections.
- Precise Class 3A thread fit for tighter tolerances and improved assembly accuracy in demanding applications.
- Easy installation and removal thanks to the knurled socket head and 5/64" hex drive, providing enhanced grip and torque transmission.
- Versatile shoulder design with lengths from 0.13" to 1.99", offering precise spacing and alignment as a pivot, axle, or guide.
- Reliable coarse UNC threads for faster assembly and reduced cross-threading risk in various materials.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.
Professional Applications & Engineering Value
These 4-40 UNC Thread 18-8 Stainless Steel Shoulder Screws are engineered to address critical challenges in precision assemblies. The Class 3A thread fit and controlled shoulder tolerances minimize play and vibration, making them ideal for applications requiring exact positioning, such as in machinery, electronics, and automotive components. The knurled socket head with a 5/64" hex drive ensures secure tool engagement, reducing slippage and damage during high-torque installations. Made from corrosion-resistant 18-8 Stainless Steel and hardened to Rockwell B55, these screws withstand harsh conditions while maintaining high tensile and shear strength. They serve reliably as pivots, axles, or spacers, enhancing durability and performance in industrial settings.
Specification Summary & Compliance
This product features a 4-40 UNC coarse thread with Class 3A fit for precise thread engagement. Shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.002" to 0.002", ensuring consistent performance. Manufactured to high standards, these screws comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and global market requirements.
