S-92765A405 5/16"-18 x 5/16" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in demanding industrial environments
• Exceptional thread precision with Class 3A fit ensures secure, vibration-resistant fastening in critical assemblies
• High-strength alloy steel construction with Rockwell C45 hardness provides reliable load-bearing capacity
• Easy installation and removal with 5/32" hex drive, allowing efficient maintenance in confined spaces
• Optimized thread engagement with coarse UNC threads for faster assembly and reduced cross-threading risks
• Secure positioning capability with oval tip design that minimizes component damage during clamping
• Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations for global supply chain integration

Professional Applications & Engineering Value

Engineered for precision machinery and industrial equipment, this black-oxide alloy steel set screw delivers exceptional performance in high-vibration applications. The Class 3A thread fit maintains tight tolerances for secure fastening in automotive components, manufacturing fixtures, and power transmission systems. The headless design with 5/32" hex drive enables flush mounting in space-constrained assemblies while providing sufficient torque transmission. The coarse UNC threads ensure rapid installation in production environments, reducing assembly time without compromising joint integrity. The combination of Rockwell C45 hardness and corrosion-resistant coating makes these set screws ideal for permanent fastening applications requiring long-term reliability under mechanical stress and environmental exposure.

Specification Summary & Compliance

This precision fastener features 5/16"-18 UNC coarse threads with Class 3A fit for superior dimensional accuracy. Manufacturing complies with ASME B18.3 specifications where applicable, ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, confirming environmental responsibility in industrial applications. Thread diameter maintains precise 0.313" dimension with right-hand thread direction, while the oval tip configuration provides controlled surface contact for secure component positioning.