S-92451A634 3/8"-16 x 2 1/2" ASME B18.6.3 Brass Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B50 hardness for heavy-duty applications
• Precision thread engagement with Class 2A thread fit ensuring reliable fastening and vibration resistance
• Optimized countersinking performance with 82° flat head profile for flush mounting in various materials
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated industries
• Versatile partial threading allowing for both secure clamping and adjustment flexibility in assembly applications

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 3/8"-16 UNC brass flat head screws provide critical solutions where corrosion resistance and mechanical reliability are paramount. The brass material offers inherent protection against oxidation and galvanic corrosion, making these slotted drive screws ideal for marine, electrical, and plumbing systems. The coarse thread spacing and Class 2A thread fit ensure quick installation and secure fastening in soft materials or where vibration resistance is required. The 82° countersink angle creates a flush surface finish while the partial threading design allows for precise clamping force distribution. These characteristics make them particularly valuable in industrial equipment assembly, electrical enclosures, and marine hardware installations where both performance and regulatory compliance are essential.

Specification Summary & Compliance

This flat head screw features precision 3/8"-16 UNC coarse threads with Class 2A thread fit tolerance for reliable engagement. Manufacturing complies with ASME B18.6.3 standard specifications ensuring dimensional accuracy and performance consistency. The product meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) compliance for chemical safety management. Mechanical properties include Rockwell B50 hardness and 50,000 psi tensile strength with right-hand thread direction and partial threading configuration.