S-92805A146 6-32 x 3/8" ASME B18.3, ASTM F879, MIL-DTL-18240 Stainless Steel Thread-Locking Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch ensures reliable fastening in high-stress environments
• Superior corrosion resistance from 18-8 stainless steel construction for extended service life in harsh conditions
• High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Wide temperature tolerance maintains locking integrity from -65° to 250°F for thermal cycling applications
• Precision threading with UNC coarse threads and Class 3A fit for easy installation and secure engagement
• Standard flat head design with 82° countersink angle for flush mounting in precision assemblies
• Hex drive compatibility with 5/64" drive size for secure tool engagement and torque transmission

Professional Applications & Engineering Value

These nylon patch locking flat head screws provide engineered solutions for vibration-prone industrial applications where fastener security is critical. The 18-8 stainless steel construction offers excellent corrosion resistance for harsh environments, while the permanent nylon patch locking technology eliminates the need for secondary locking components, reducing assembly time and costs. The UNC coarse threading with Class 3A fit ensures reliable engagement in various materials, making these flat head screws ideal for aerospace, automotive, and electronic enclosures where thermal cycling and mechanical stress demand consistent performance. The combination of 70,000 psi tensile strength and wide temperature range (-65° to 250°F) makes them suitable for demanding applications requiring both mechanical integrity and thermal stability.

Specification Summary & Compliance

This 6-32 x 3/8" flat head screw features precision UNC coarse threading with Class 3A fit for optimal engagement and meets rigorous industry standards including ASME B18.3, ASTM F879, and MIL-DTL-18240. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. Manufacturing specifications include standard 82° countersink angle, right-hand thread direction, and fully threaded design for consistent performance in industrial fastening applications.