S-91792A126 5-40 x 3/8" ASME B18.6.3 Stainless Steel Pan Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Wide compatibility with Class 2A thread fit and UNC coarse thread profile ensuring easy installation and secure fastening
• Full-threaded design provides maximum grip length and uniform stress distribution across the entire fastener
• Standard slotted drive enables quick installation with common tools while rounded pan head offers a low-profile appearance
• Regulatory compliance meets ASME B18.6.3 manufacturing standards and environmental regulations (RoHS 3, REACH)
• Dimensional precision with consistent 5-40 thread size and 3/8" length for reliable interchangeability in assembly operations

Professional Applications & Engineering Value

These 18-8 stainless steel rounded pan head screws deliver exceptional value in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation while maintaining vibration resistance in machinery, electrical enclosures, and precision equipment. The passivated finish enhances surface durability against chemical exposure and oxidation, extending service life in manufacturing environments, marine applications, and outdoor installations. With 100,000 psi tensile strength, these fully threaded screws provide secure fastening in high-stress assemblies while the slotted drive design accommodates both manual and automated installation processes. Engineered to ASME B18.6.3 specifications, these fasteners offer consistent performance in OEM production and maintenance applications where dimensional accuracy and regulatory compliance are critical requirements.

Specification Summary & Compliance

This 5-40 UNC coarse thread screw features precise Class 2A thread fit tolerances and standardized dimensions per ASME B18.6.3 manufacturing specifications. The fastener maintains full regulatory compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) chemical safety standards. With consistent 3/8" length and 0.125" thread diameter, these screws deliver reliable performance in industrial applications requiring standardized inch fasteners with certified material properties and dimensional accuracy.