S-92313A103 4-40 x 1/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh chemical and marine environments.
• Precise and reliable fastening ensured by Class 3A thread fit, minimizing backlash and improving assembly accuracy.
• High durability and wear resistance from Rockwell B80 hardness, maintaining performance under repeated use.
• Secure, flush installation with a headless design and cup tip, preventing protrusion and enhancing component safety.
• Easy installation and removal using a standard 0.050" hex drive, reducing tooling time and labor costs.
• Wide compatibility with 4-40 UNC coarse threads, suitable for various industrial applications requiring right-hand threading.
• Regulatory compliance and quality assurance meeting ASME B18.3 standards, RoHS, and REACH for global market access.

Professional Applications & Engineering Value

This 4-40 UNC headless set screw in 316 Stainless Steel delivers exceptional performance in demanding settings like machinery, automotive, and marine equipment. Its corrosion-resistant material combats oxidation and chemical exposure, while the Class 3A thread fit and coarse threading provide tight, vibration-resistant connections. The hex drive and cup tip design allow for secure, flush mounting in confined spaces, reducing the risk of loosening and component damage. Ideal for applications requiring reliable fastening under stress, it ensures long-term stability and reduces maintenance needs in harsh industrial environments.

Specification Summary & Compliance

This set screw adheres to precise dimensional standards, including a 4-40 UNC thread size with Class 3A fit for high accuracy. It meets ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material quality for industrial use.