S-8077A841 1/4"-20 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Precise Class 3A thread fit for superior engagement and vibration resistance in critical assemblies.
• Knurled socket head provides a secure grip and prevents tool slippage during installation.
• Standardized dimensions per ASME B18.3 guarantee interchangeability and ease of sourcing.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence.
• Coarse 1/4"-20 UNC threads enable quick assembly and disassembly in various applications.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw with black oxide finish is engineered to address common industrial challenges such as corrosion, misalignment, and mechanical failure. The Class 3A thread fit and coarse UNC threads provide excellent vibration resistance and easy installation in machinery, automotive, and aerospace components. The knurled socket head enhances torque application, reducing the risk of stripping. Ideal for precision applications like pivots, axles, and spacers, this screw ensures long-term durability and performance in demanding environments.

Specification Summary & Compliance

This shoulder screw features a 1/4"-20 UNC thread with Class 3A fit, ensuring tight tolerances and reliable performance. It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial use.