S-97381A201 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance and lightweight design with 6061 aluminum construction, ideal for weight-sensitive applications without sacrificing durability.
• Precise alignment and smooth rotation ensured by the 3/16" shoulder with tight diameter tolerance, reducing wear in assemblies.
• High tensile strength of 40,000 psi provides reliable load-bearing capacity for demanding industrial environments.
• Easy installation and removal with the knurled socket head and hex drive, offering enhanced grip and reduced tool slippage.
• Consistent thread engagement due to Class 3A fit and UNC coarse threads, minimizing cross-threading risks in high-vibration settings.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global manufacturing standards.
• Versatile right-hand thread design allows for standard tooling use across various machinery and fixture applications.

Professional Applications & Engineering Value

This 6061 aluminum shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in precision assemblies. The 3/16" shoulder length and controlled tolerances provide a stable pivot point or spacer, crucial for rotating parts in machinery, jigs, and fixtures. With its UNC coarse threads and Class 3A fit, it ensures rapid assembly and secure fastening, even in high-vibration environments. The knurled socket head enhances torque application, reducing installation errors. Ideal for applications in automation, aerospace, and electronics, this screw offers a lightweight yet robust shoulder fastening solution that maintains integrity under stress while complying with stringent regulatory standards.

Specification Summary & Compliance

The screw features precise dimensions including a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005", ensuring consistent performance. Threads adhere to UNC standards with Class 3A fit for reliable engagement. It is manufactured in compliance with RoHS 3 (2015/863/EU) under exemption 6(b)-II and REACH (EC 1907/2006), confirming its suitability for regulated industries and sustainable practices.