S-92311A379 7/16"-20 x 1 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Exceptional thread precision with Class 3A fit ensuring secure, vibration-resistant fastening in critical applications
• Optimized torque transmission through hex drive design for reliable installation and removal
• Enhanced holding power with cup tip design that creates positive seating and prevents component slippage
• Consistent mechanical performance thanks to Rockwell B80 hardness providing optimal strength and durability
• Industry-standard compliance with ASME B18.3 specifications guaranteeing dimensional accuracy and reliability
• Environmental responsibility through RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

This 7/16"-20 UNF Class 3A set screw delivers exceptional engineering value in demanding industrial applications where precision and reliability are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for machinery, automotive components, and manufacturing equipment exposed to moisture or chemicals. The fine UNF threads with Class 3A fit offer superior vibration resistance, preventing loosening in high-stress environments. The hex headless design allows for flush mounting in confined spaces while maintaining high torque capability. The cup tip ensures positive contact with mating surfaces, distributing pressure evenly to prevent damage to shafts and collars. These features combine to create a high-performance fastener that solves critical alignment and security challenges in precision assemblies.

Specification Summary & Compliance

This set screw maintains precision thread dimensions with UNF 7/16"-20 fine threads and Class 3A thread fit for tight tolerance applications. Manufacturing follows ASME B18.3 specifications ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, meeting the latest regulatory requirements for hazardous substance restrictions.