S-90550A350 6-32 x 3/4" ASME B18.3, ASTM F879, MIL-DTL-18240 Venting Stainless Steel Hex-Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• High-strength Class 3A thread fit provides precise, secure fastening with minimal risk of stripping or loosening.
• Vented design allows for pressure equalization, preventing fluid or gas buildup in critical assemblies.
• Fully threaded coarse UNC pattern ensures maximum grip and faster installation in a wide range of materials.
• Hex drive (5/64") offers high torque transmission and reduced cam-out for efficient, secure tightening.
• 82° countersink angle enables a flush, professional finish that minimizes protrusion and improves safety.
• Compliance with major industrial standards including ASME B18.3 and MIL-DTL-18240, guaranteeing interoperability and quality.

Professional Applications & Engineering Value

This 6-32 UNC Flat Head Screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. The 18-8 Stainless Steel material provides excellent resistance to oxidation and chemicals, making it ideal for industrial machinery, electronic enclosures, and automotive assemblies. The vented feature is critical in applications requiring pressure relief, such as in HVAC systems or sealed compartments, while the fully threaded coarse design ensures rapid installation and high pull-out strength. With a hex drive for secure tool engagement, this screw reduces assembly time and maintenance needs, offering reliable performance in right-hand threaded, coarse pitch applications where durability and precision are paramount.

Specification Summary & Compliance

This screw adheres to Class 3A thread fit for high precision in UNC coarse threading, with dimensions including a 3/4" length and 0.307" head diameter. It conforms to ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications, ensuring consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety standards for global industrial use.