S-91781A147 6-32 x 7/16" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Excellent tensile strength rated at 80,000 psi ensures reliable performance under heavy loads and vibration
• Precise Class 2A thread fit provides smooth installation and secure fastening in UNC coarse threaded applications
• Optimized 82° countersink angle allows for flush mounting and clean aesthetic finish in precision assemblies
• Full threading along the 7/16" length maximizes grip strength and distribution across the entire fastener
• Rockwell B80 hardness maintains thread integrity and prevents stripping during repeated installations
• Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for global regulatory acceptance

Professional Applications & Engineering Value

These 6-32 UNC flat head slotted screws deliver exceptional engineering value in applications where corrosion resistance, precise flush mounting, and regulatory compliance are critical. The 18-8 stainless steel material combined with passivated finish provides superior protection against chemical exposure and oxidation in manufacturing equipment, electronic enclosures, and marine components. The standard 82° countersink angle and flat head design solve common assembly challenges by enabling seamless surface integration while the Class 2A thread fit ensures consistent engagement in coarse thread spacing applications. These fully threaded fasteners are particularly valuable in industries requiring RoHS and REACH compliant components, offering reliable performance in automated assembly systems where vibration resistance and dimensional stability are paramount.

Specification Summary & Compliance

This flat head slotted screw features precise 6-32 UNC thread with Class 2A fit tolerance and coarse thread spacing for optimal performance. Manufacturing complies with ASME B18.6.3 specifications ensuring dimensional accuracy and interchangeability. The fastener meets RoHS 3 (2015/863/EU) compliance for hazardous substance restriction and REACH (EC 1907/2006) regulations for chemical safety. With right-hand thread direction and standard flat head profile, these screws maintain consistent quality across industrial applications requiring reliable stainless steel fasteners.