S-92210A673 7/16"-14 x 1 1/2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments.
• Superior fastening reliability with a Class 3A thread fit and UNC coarse spacing, ensuring tight, secure connections that resist loosening.
• High tensile strength of 70,000 psi and Rockwell B55 hardness for dependable performance under heavy loads and stress.
• Efficient installation and removal with a 1/4" hex drive, providing excellent torque transfer and reducing tool slippage.
• Full threading along the 1-1/2" length offers maximum grip and adjustability in a wide range of material thicknesses.
• Standard 82° countersink angle allows the flat head to sit flush with surfaces, creating a smooth, professional finish.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.

Professional Applications & Engineering Value

This 18-8 Stainless Steel flat head screw is engineered to address common industrial challenges such as vibration-induced loosening and environmental corrosion. The UNC coarse thread spacing and Class 3A thread fit provide a robust, precise engagement that maintains integrity in dynamic applications like machinery assembly, structural frameworks, and automotive components. The passivated finish significantly enhances the innate corrosion resistance of stainless steel, making it suitable for outdoor, marine, or chemically exposed settings. Its hex drive design ensures high torque application without cam-out, reducing installation time and preventing damage to the fastener. Ideal for demanding sectors, this screw delivers long-term fastening reliability and reduces maintenance needs, supporting efficient production and equipment longevity.

Specification Summary & Compliance

This screw features a 7/16"-14 UNC thread with coarse spacing and a precise Class 3A thread fit for high accuracy. It is manufactured in accordance with ASME B18.3 specifications, ensuring dimensional consistency and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for various industrial and international applications.