S-92505A714 1/2"-13 x 1 1/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black oxide finish for extended service life in demanding industrial environments
• Exceptional thread precision with Class 3A fit ensures reliable, vibration-resistant fastening in critical applications
• High-strength alloy steel construction with Rockwell C45 hardness maintains structural integrity under heavy loads
• Optimized torque transmission through 1/4" hex drive design prevents stripping and enables secure installation
• Enhanced gripping capability with extended tip design provides superior holding power in assembled components
• Industry-standard compliance with ASME B18.3 specifications guarantees consistent performance and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance meets modern manufacturing sustainability requirements

Professional Applications & Engineering Value

Engineered for precision industrial applications, this 1/2"-13 UNC set screw delivers exceptional performance in machinery assembly, automotive components, and heavy equipment manufacturing. The black oxide alloy steel construction provides superior corrosion resistance while maintaining the Rockwell C45 hardness required for high-stress environments. The Class 3A thread fit ensures minimal backlash and superior vibration resistance, critical for maintaining alignment in rotating assemblies and precision equipment. The extended tip design enhances gripping surface contact, preventing component slippage in pulley systems, gear assemblies, and coupling applications. This headless set screw with coarse thread spacing offers reliable fastening where flush mounting is essential, while the 1/4" hex drive accommodates standard industrial tools for efficient installation and maintenance.

Specification Summary & Compliance

This set screw features precision 1/2"-13 UNC coarse threads with Class 3A thread fit tolerance, ensuring exacting dimensional accuracy per industrial standards. The manufacturing process adheres to ASME B18.3 specifications (ASTM F912) for consistent quality and performance. Environmental compliance includes RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, meeting current regulatory requirements for hazardous substance restrictions. The extended tip maintains tight dimensional control with tip diameter tolerance of -0.009" to 0" and tip length tolerance of -0.005" to 0", providing reliable performance in precision assembly applications.