S-91802A258 10-24 x 3 1/2" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable, long-lasting fastening under significant mechanical stress.
• Excellent drive engagement provided by the Phillips No. 2 drive, reducing cam-out and improving installation efficiency.
• Optimized for flush mounting with an 82° countersink angle and standard oval head profile for a smooth, professional finish.
• Reliable thread performance with UNC coarse threads and Class 2A fit, ensuring easy assembly and vibration resistance.
• Versatile partial threading allows for precise clamping force control on a 1-1/2" minimum threaded length.
• Full regulatory compliance with ASME B18.6.3, RoHS 3, and REACH, guaranteeing safety and environmental standards are met.

Professional Applications & Engineering Value

This 10-24 x 3-1/2" passivated 18-8 stainless steel oval head screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The passivated coating significantly enhances the innate corrosion resistance of 18-8 stainless steel, making it a top choice for applications in marine, chemical processing, and outdoor equipment where moisture and chemicals are prevalent. The Phillips drive and coarse UNC threads facilitate quick and secure installation, reducing labor time. The partially threaded design provides superior grip on materials without over-tightening, preventing damage to sensitive assemblies. Its high tensile strength and Rockwell B80 hardness ensure it maintains integrity in high-stress environments, from machinery frames to structural supports, delivering dependable performance and reducing maintenance cycles.

Specification Summary & Compliance

This fastener adheres to Class 2A thread fit tolerances for consistent and reliable engagement. It is manufactured in accordance with the ASME B18.6.3 standard, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for use in various markets.