S-92313A542 1/4"-20 x 1" 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, secure fastening ensured by Class 3A thread fit for minimal backlash and reliable torque transmission
• Exceptional mechanical strength with Rockwell B80 hardness, providing excellent resistance to wear and deformation
• Optimized for high-torque applications featuring a 1/8" hex drive that prevents tool slippage and stripping
• Enhanced gripping power from the cup point tip design, which bites into shafts for permanent component positioning
• Regulatory compliance assurance meeting ASME B18.3 manufacturing standards and environmental directives (RoHS 3 & REACH)
• Broad industrial compatibility with UNC coarse threading for quick assembly and reduced cross-threading risks

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 316 stainless steel hex headless set screw delivers critical performance where corrosion resistance and mechanical integrity are paramount. The Class 3A thread fit and UNC coarse threading provide vibration-resistant fastening in machinery, automotive components, and marine equipment, preventing loosening under dynamic loads. The cup point tip creates permanent engagement with shafts and collars, solving alignment and slippage issues in power transmission systems. With its 1/8" hex drive and headless design, it offers flush mounting in confined spaces while maintaining high torque capability. This combination of material properties and precision engineering makes it ideal for OEM manufacturing and maintenance applications requiring reliable, long-term fastening solutions.

Specification Summary & Compliance

This set screw maintains Class 3A thread tolerance with 1/4"-20 UNC coarse thread specifications and 1" length dimensions. Manufacturing complies with ASME B18.3 standards for dimensional accuracy and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring restricted substance adherence for global industrial applications.