S-91737A105 6-32 x 1/4" ASME B18.6.3 Stainless Steel Fillister Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction and passivated finish, ideal for harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable load-bearing performance
• Optimized drive engagement through Phillips No. 2 drive and high, narrow fillister head design for efficient installation
• Precise thread compatibility with UNC coarse 6-32 threading and Class 2A fit ensuring secure fastening in various materials
• Full-length threading provides maximum grip and uniform stress distribution along the entire 1/4" length
• Regulatory compliance assurance meeting ASME B18.6.3 standards and RoHS/REACH environmental directives
• Right-hand thread direction enables standard installation procedures and compatibility with common assembly tools

Professional Applications & Engineering Value

This 6-32 UNC machine screw delivers critical performance advantages in industrial fastening applications where corrosion resistance and mechanical reliability are paramount. The 18-8 Stainless Steel composition combined with passivated finish provides exceptional protection against oxidation and chemical exposure, making it ideal for electronics enclosures, machinery assemblies, and outdoor equipment. The rounded fillister head with Phillips drive offers superior countersinking capability while maintaining high torque transmission. With coarse threading and Class 2A fit, installation is streamlined in various materials from metals to engineered plastics, reducing assembly time while ensuring vibration resistance. The combination of 80,000 psi tensile strength and full threading delivers consistent clamping force across demanding applications in manufacturing, automotive, and electrical industries.

Specification Summary & Compliance

This rounded head screw features precise 6-32 UNC coarse threads with Class 2A thread fit tolerance for reliable engagement. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial components. Threading is fully formed along the entire 1/4" length with right-hand orientation, ensuring compatibility with standard installation practices and tooling.