S-90275A255 10-24 x 2 1/2" ASME B18.6.3 Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
• High tensile strength of 60,000 psi ensures reliable load-bearing capacity for heavy-duty applications
• Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity under stress
• Class 2A thread fit offers consistent assembly performance and reduces cross-threading risks
• Standard 82° countersink angle enables flush mounting for clean, professional finishes
• Fully threaded design maximizes grip length and distributes clamping force evenly
• Coarse UNC threading facilitates quick installation and superior vibration resistance

Professional Applications & Engineering Value

Engineered for industrial assembly challenges, these 10-24 UNC flat head slotted screws combine zinc-plated steel durability with precision Class 2A thread fit to solve common fastening problems. The fully threaded configuration ensures maximum engagement in metal fabrication, machinery, and structural applications where vibration loosening is a concern. The standard 82° countersink angle creates seamless surface transitions in countersunk holes, while the slotted drive accommodates traditional installation tools. With 60,000 psi tensile strength, these fasteners maintain integrity under dynamic loads, making them ideal for automotive, construction, and manufacturing sectors requiring ASME B18.6.3 compliant components.

Specification Summary & Compliance

This 2 1/2" flat head screw maintains Class 2A thread fit per UNC standards with coarse threading for optimal engagement. Manufacturing follows ASME B18.6.3 specifications for dimensional accuracy and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence.