S-91500A313 6-32 x 3/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term performance
• Precision flush mounting enabled by undercut flat head design with 82° countersink angle for seamless surface integration
• Optimized drive engagement through Phillips No. 2 drive style, reducing cam-out and improving installation efficiency
• Consistent thread performance with UNC coarse threads and Class 2A fit ensuring secure fastening in various materials
• Full regulatory compliance meeting ASME B18.6.3 specifications, RoHS 3, and REACH for global industrial applications
• Complete threading coverage along the 3/16" length provides maximum grip and load distribution

Professional Applications & Engineering Value

This 316 stainless steel flat head screw delivers critical performance advantages in demanding environments where corrosion resistance and mechanical reliability are paramount. The passivated finish significantly enhances the natural corrosion resistance of 316 stainless steel, making it suitable for chemical processing, marine applications, and food processing equipment where exposure to moisture and aggressive substances is common. The undercut flat head design with 82° countersink angle ensures perfect flush mounting without protrusion, eliminating snag points and creating smooth surfaces essential for safety and aesthetics. Combined with UNC coarse threads and Class 2A thread fit, these screws provide excellent holding power in both soft and hard materials, while the Phillips drive system offers familiar, efficient installation for maintenance and assembly operations across various industrial sectors.

Specification Summary & Compliance

This precision-engineered fastener maintains Class 2A thread fit tolerances with UNC coarse threads (6-32 size) and right-hand threading direction. Manufacturing strictly adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial components.