S-97832A377 8-32 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
- Corrosion-resistant performance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
- Precise thread engagement with Class 3A UNC threads ensuring reliable, vibration-resistant connections.
- High-strength durability offering 70,000 psi tensile and 35,000 psi shear strength for demanding applications.
- Secure installation facilitated by a knurled socket head and 3/32" hex drive, reducing tool slippage.
- Accurate shoulder positioning with controlled diameter and length tolerances for consistent component alignment.
- Enhanced hardness at Rockwell B55, providing excellent wear resistance and long service life.
- Compliance assurance with RoHS 3 and REACH regulations, meeting international environmental standards.
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw is engineered to address critical assembly challenges in precision machinery, automation systems, and industrial equipment. The 18-8 Stainless Steel material delivers superior corrosion resistance, reducing maintenance in humid or chemical-exposed settings. Its Class 3A thread fit and coarse UNC threading ensure quick, secure fastening with minimal risk of loosening under vibration. The knurled socket head with a hex drive allows for high-torque installation without cam-out, while the precisely machined shoulder provides stable bearing surfaces for rotating parts like gears and pulleys. Ideal for applications requiring exact alignment and robust tensile strength up to 70,000 psi, this screw enhances operational reliability in sectors such as aerospace, automotive, and electronics manufacturing.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for tight tolerances. Dimensions include a 5/16" knurled head, 3/32" hex drive, and 3/16" thread length, with shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". Manufactured to high precision, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability.
