S-90292A012 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
- Exceptional corrosion resistance and strength from 17-4 PH Stainless Steel, ideal for harsh industrial environments
- Precise alignment and reduced assembly wear with Class 3A thread fit ensuring tight tolerances and secure fastening
- High reliability under heavy loads thanks to 130,000 psi tensile strength and 65,000 psi shear strength
- Superior grip and easy manual adjustment with a knurled head texture for non-slip handling
- Efficient installation and removal using a standard 5/64" hex drive for common tools
- Accurate component positioning with precisely machined shoulder diameter and length for stable mounting
- Safe for sensitive applications with full compliance to RoHS 3 and REACH environmental regulations
Professional Applications & Engineering Value
This 4-40 UNC Thread Shoulder Screw is engineered to address critical challenges in precision assemblies, such as misalignment and component wear. Made from 17-4 PH Stainless Steel, it offers excellent resistance to corrosion and high stress, making it suitable for aerospace, automotive, and machinery applications. The Class 3A thread fit and coarse UNC threads ensure quick, secure fastening even in high-vibration environments. With a knurled socket head and standard hex drive, it allows for easy manual or tool-assisted installation, reducing assembly time. The precisely controlled shoulder dimensions provide stable support for rotating parts, bushings, or spacers, enhancing the longevity and performance of your equipment while meeting stringent industry standards.
Specification Summary & Compliance
This shoulder screw adheres to UNC coarse thread standards with a Class 3A thread fit for precise engagement. Key dimensional tolerances include a shoulder diameter of 1/8" (tolerance: -0.004" to -0.002") and shoulder length of 1/4" (tolerance: -0.005" to 0.005"), ensuring consistent performance. Manufactured to high-quality specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for global industrial use.
