S-97381A203 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
- Precision alignment: The 3/16" shoulder diameter with tight tolerance ensures exact component positioning, reducing assembly errors.
- High strength-to-weight ratio: Made from 6061 aluminum, it offers 40,000 psi tensile strength and 20,000 psi shear strength while keeping assemblies lightweight.
- Secure fastening: Class 3A thread fit on the 8-32 UNC coarse threads provides reliable, vibration-resistant connections in mechanical systems.
- Easy installation and removal: The hex socket drive (3/32") and knurled head allow for quick, tool-friendly handling without slippage.
- Durable and corrosion-resistant: 6061 aluminum material ensures long-lasting performance in various industrial environments.
- Regulatory compliance: Meets RoHS 3 and REACH standards, ensuring safe use in global markets and electronics applications.
- Versatile design: Right-hand thread direction and standard socket head profile suit a wide range of alignment and pivoting mechanisms.
Professional Applications & Engineering Value
This 6061 aluminum shoulder screw is engineered to solve critical alignment challenges in precision assemblies, such as in machinery, robotics, and electronic enclosures. The 3/16" shoulder length acts as a precise datum for rotating parts, bearings, or linkages, eliminating misalignment and reducing wear. With its 8-32 UNC coarse threads and Class 3A thread fit, it ensures tight, secure fastening even under dynamic loads, while the hex socket drive and knurled head facilitate easy installation in confined spaces. The 40,000 psi tensile strength provides reliable performance in mechanical alignment applications, making it ideal for industries requiring lightweight, high-strength components that comply with RoHS and REACH regulations.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precision, and features a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005" for consistent alignment. It is manufactured from 6061 aluminum and complies with RoHS 3 (2015/863/EU) with exemption 6(b)-II and REACH (EC 1907/2006), ensuring environmental safety and suitability for industrial and electronic uses.
