S-96640A283 12-24 x 1/2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
• Superior tensile strength of 80,000 psi ensures reliable fastening under high-stress applications
• Precise Class 2A thread fit guarantees smooth installation and consistent engagement
• Undercut flat head design provides flush mounting and prevents surface protrusion
• 82° countersink angle allows for secure seating in standard countersunk holes
• No. 3 Phillips drive offers efficient torque transfer and reduced cam-out risk
• Full threading along 1/2" length enables maximum grip and adjustment flexibility

Professional Applications & Engineering Value

These 12-24 UNC flat head screws deliver critical performance in demanding applications where material integrity and precision matter. The Black-Oxide 18-8 Stainless Steel construction provides excellent resistance to oxidation and chemical exposure, making them suitable for automotive assemblies, electrical enclosures, and machinery where environmental factors are concerns. The coarse UNC threading ensures rapid installation and strong holding power in various substrates, while the undercut flat head profile eliminates gap issues common in panel mounting and precision equipment. With fully threaded design and right-hand direction, they offer consistent clamping force and simplify maintenance procedures in production lines and structural frameworks.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent dimensional accuracy. The 12-24 UNC coarse thread and 82° countersink angle adhere to industrial standards for compatibility. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for global supply chain requirements.