S-92210A146 6-32 x 3/8" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance through 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Precise, secure fastening with Class 3A thread fit and UNC coarse threads, minimizing loosening under vibration and load
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
• Efficient installation with 5/64" hex drive and standard 82° countersink angle, providing flush mounting and reduced assembly time
• Full threading coverage along the 3/8" length ensures maximum grip and load distribution across connected materials
• Regulatory compliance with ASME B18.3 manufacturing standards, RoHS 3, and REACH for global supply chain compatibility
• Right-hand thread direction and coarse thread spacing enable quick assembly and disassembly in inch-system applications

Professional Applications & Engineering Value

These 6-32 UNC flat head screws address critical engineering challenges in industrial fastening where corrosion resistance, precision fit, and structural integrity are paramount. The 18-8 stainless steel material combined with passivated finish provides exceptional protection against chemical exposure and oxidation, making them ideal for machinery, electronics enclosures, and outdoor equipment. The Class 3A thread fit and coarse UNC threading ensure vibration-resistant connections that maintain clamping force in high-stress assemblies. With their fully threaded design and standardized 82° countersink angle, they deliver consistent flush mounting in pre-drilled surfaces while the hex drive allows for high-torque installation without cam-out. These screws are engineered to prevent galvanic corrosion in mixed-material assemblies while meeting rigorous ASME B18.3 specifications for dimensional accuracy.

Specification Summary & Compliance

This flat head screw features precise Class 3A thread fit tolerances with UNC coarse threads in 6-32 size and 3/8" length. Manufacturing complies with ASME B18.3 standards for dimensional consistency. The fastener is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. Thread specifications maintain right-hand direction with coarse spacing, while the inch system measurements ensure compatibility with North American industrial equipment and blueprints.