S-90273A255 10-24 x 2 1/2" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional tensile strength rated at 60,000 psi ensures reliable performance under high-stress applications
• Optimized drive engagement with Phillips No. 2 drive style provides secure installation and reduced cam-out risk
• Precision thread fit with Class 2A tolerance ensures consistent mating with nuts and threaded components
• Enhanced material durability with Rockwell B70 hardness maintains structural integrity through repeated use
• Versatile partial threading design allows for both secure fastening and adjustable positioning capabilities
• Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial acceptance

Professional Applications & Engineering Value

These 10-24 UNC zinc-plated steel flat head screws deliver critical engineering solutions for industrial assembly challenges. The coarse thread configuration provides superior holding power in various materials, while the 82° countersink angle ensures flush mounting in precision applications. The partial threading design offers flexibility in adjustment while maintaining secure fastening. Engineered with Rockwell B70 hardness, these Phillips drive screws withstand vibration and mechanical stress in automotive, machinery, and electrical enclosure applications. The zinc plating creates a protective barrier against corrosion, extending service life in environments exposed to moisture and chemicals. These industrial-grade fasteners provide reliable performance where consistent clamping force and dimensional stability are paramount.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision mating. Features 10-24 UNC coarse threads with right-hand orientation and 2 1/2" overall length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The flat head profile with standard dimensions provides consistent performance in countersunk applications.