S-95289A147 5/16"-18 x 5/16" 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
• Maximum holding power ensured by Class 3A thread fit providing precise, vibration-resistant fastening
• Easy installation and removal with 5/32" hex socket drive allowing high torque application without stripping
• Enhanced grip and alignment from extended tip design that improves component positioning and prevents loosening
• Exceptional durability with Rockwell B80 hardness maintaining structural integrity under heavy loads
• Reliable coarse threading using 5/16"-18 UNC threads for quick assembly and reduced cross-threading risk
• Space-saving headless design enabling flush mounting in confined applications while maintaining full functionality

Professional Applications & Engineering Value

This 5/16"-18 UNC set screw delivers critical engineering solutions for industrial applications requiring secure component positioning. Manufactured from 18-8 stainless steel, it provides excellent corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements. The Class 3A thread fit ensures tight tolerances that prevent vibration-induced loosening in high-stress assemblies, while the extended tip design creates positive engagement with mating components for superior torque transmission. The hex socket drive accommodates standard industrial tools, enabling efficient installation in confined spaces where traditional fastener heads won't fit. Ideal for precision equipment, automotive components, and permanent industrial assemblies, this headless set screw maintains reliable performance where space optimization and vibration resistance are paramount.

Specification Summary & Compliance

This set screw features precision 5/16"-18 UNC coarse threads with Class 3A fit for superior dimensional accuracy. Manufacturing complies with ASME B18.3 standards for consistent quality and performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety. Tip dimensions maintain tight tolerances with diameter of 0.203" (-0.008" to 0) and length of 0.164" (-0.005" to 0) for reliable performance in demanding applications.