S-93085A853 8-32 x 1 3/4" FF-S-92, QQ-P-35, MS24693-C60, NASM24693, SAE AMS2700 Stainless Steel Phillips Flat 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 70,000 psi ensures reliable, long-lasting fastening under significant mechanical stress.
• Excellent drive engagement with a Phillips No. 2 drive, reducing cam-out and improving installation efficiency.
• Optimal flush mounting due to the standard 100° countersink angle and flat head design for a smooth, secure finish.
• Consistent and reliable threading with a fully threaded UNC coarse pattern and Class 2A fit for easy assembly and vibration resistance.
• Enhanced durability from Rockwell B70 hardness, maintaining structural integrity through repeated use.
• Broad compliance with industry standards including Fed. Spec. FF-S-92, RoHS 3, and REACH, ensuring safety and regulatory acceptance.

Professional Applications & Engineering Value

This 8-32 UNC flat head screw is engineered to address critical challenges in industrial and mechanical assemblies where corrosion resistance and high tensile strength are paramount. The passivated 18-8 stainless steel material provides excellent protection against rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing equipment. The fully threaded coarse UNC design with a Class 2A thread fit ensures quick, secure fastening in materials like metal and hard plastics, reducing the risk of loosening under vibration. The flat head with a 100° countersink angle allows for a flush fit, essential in applications requiring aerodynamic surfaces or where protrusions are hazardous. Commonly used in aerospace, automotive, and machinery, this screw delivers reliable performance in high-stress environments, supported by compliance with Fed. Spec. FF-S-92 and other stringent standards.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threading with a diameter of 0.164" and length of 1-3/4". It meets Fed. Spec. FF-S-92, MS24693-C60, NASM24693, and SAE AMS2700 manufacturing standards, 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 various industrial applications.