S-97124A753 5/16"-18 x 2" ASME B18.6.3 Aluminum Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior strength-to-weight ratio with 2024 aluminum construction for reduced component weight without sacrificing structural integrity
• Exceptional tensile performance rated at 50,000 psi to withstand demanding industrial applications and vibration
• Precision Class 2A thread fit ensures smooth installation and reliable engagement in various materials
• Optimized 82° countersink angle provides flush mounting for clean, professional finishes in assembled products
• Full threading along the 2" length offers maximum grip and holding power throughout the entire fastener
• Phillips drive with No. 4 size enables efficient installation using standard industrial tools
• Comprehensive regulatory compliance including ASME B18.6.3, RoHS 3, and REACH for global market acceptance

Professional Applications & Engineering Value

These 2024 aluminum flat head screws deliver critical advantages in weight-sensitive applications where corrosion resistance and strength are paramount. The 5/16"-18 UNC coarse threading with Class 2A fit provides excellent engagement in aluminum extrusions, electronic enclosures, and transportation equipment, reducing the risk of cross-threading during high-volume assembly. The 82° countersink angle ensures seamless flush mounting in precision machinery, aerospace components, and architectural applications where surface aesthetics matter. With 50,000 psi tensile strength and Rockwell B55 hardness, these fully threaded screws maintain clamping force under vibration and thermal cycling, solving common fastener failure points in demanding environments.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 specifications with precision Class 2A thread tolerances for consistent performance. The UNC coarse thread profile (5/16"-18) ensures reliable engagement in various materials. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental responsibility and global market acceptance. Mechanical properties include 50,000 psi tensile strength and Rockwell B55 hardness for durable performance in industrial applications.