S-91793A133 5-40 x 1" ASME B18.6.3 Stainless Steel Binding Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in demanding environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable performance under heavy loads
• Optimized thread engagement through Class 2A thread fit and coarse UNC threading, providing secure fastening with reduced cross-threading risk
• Enhanced binding capability with wide rounded head profile, distributing clamping force evenly across connected components
• Simplified installation and maintenance with standard slotted drive design, compatible with common hand tools
• Full-threaded construction delivering maximum thread engagement and superior holding power along the entire 1" length
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global industrial applications

Professional Applications & Engineering Value

This 5-40 UNC rounded head binding screw delivers critical performance advantages for industrial assembly applications where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel composition, enhanced by passivated surface treatment, provides exceptional durability in harsh environments including marine, chemical processing, and outdoor equipment. The binding head design with wide bearing surface prevents damage to sensitive materials while maintaining secure connections in electronic enclosures, panel assemblies, and machinery components. The coarse UNC thread pattern ensures rapid installation and reliable performance in materials where fine threads might strip or fail, making it ideal for production environments requiring both speed and reliability.

Specification Summary & Compliance

This binding screw features precision 5-40 UNC coarse threads with Class 2A thread fit tolerance for consistent performance. The fully threaded 1" length design provides complete engagement capability. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring suitability for global industrial markets with strict chemical substance restrictions.