S-92313A427 1/2"-20 x 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Precise, vibration-resistant locking thanks to Class 3A fine threads ensuring tight, secure fits in critical assemblies
• High-strength, durable performance with Rockwell B80 hardness for reliable load-bearing and repeated use
• Easy, tool-friendly installation using a standard 1/4" hex drive for quick, secure tightening without stripping
• Effective grip and minimal surface damage from the cup point tip, maintaining component integrity
• Consistent quality and interchangeability by meeting ASME B18.3 specifications for industrial reliability
• Environmentally compliant operation with RoHS 3 and REACH adherence, safe for regulated industries

Professional Applications & Engineering Value

This 316 stainless steel set screw is engineered to address common industrial challenges like corrosion, vibration loosening, and assembly precision. Its Class 3A UNF fine threads provide exceptional clamping force and resistance to dynamic loads, making it ideal for machinery, automotive, and marine applications where reliability is critical. The headless design with a 1/4" hex drive allows for flush mounting in confined spaces, while the cup point ensures strong biting action without excessive marring. Built to withstand aggressive environments, this screw delivers long-term performance, reducing maintenance needs and downtime in industrial set screw systems.

Specification Summary & Compliance

This set screw features a 1/2"-20 UNF fine thread with Class 3A fit for high precision and tight tolerances. It complies with ASME B18.3 manufacturing standards, ensuring dimensional accuracy and reliability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for global industrial use.