S-93085A537 1/4"-20 x 1/2" FF-S-92, QQ-P-35, MS24693-C94, 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.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term fastening.
• Precise and reliable thread engagement with UNC coarse threading and Class 2A fit, ensuring easy installation and vibration resistance.
• Optimal flush mounting with a standard 100° countersink flat head, providing a smooth, secure finish in assembled components.
• Efficient installation and removal using a standard No. 3 Phillips drive, reducing assembly time and tool wear.
• Broad industry compliance meeting Fed. Spec. FF-S-92, QQ-P-35, MS24693-C94, and NASM24693, guaranteeing quality and interchangeability.
• Safe for regulated applications with full RoHS 3 and REACH compliance, ensuring environmental and safety standards are met.

Professional Applications & Engineering Value

This 1/4"-20 x 1/2" flat head Phillips screw is engineered to address critical challenges in industrial assembly, such as corrosion, vibration loosening, and the need for reliable, high-strength fastening. Constructed from passivated 18-8 stainless steel, it offers excellent resistance to oxidation and chemical exposure, making it suitable for demanding environments like marine, automotive, and machinery. The UNC coarse thread and Class 2A fit provide quick, secure installation with reduced risk of cross-threading, while the flat head design ensures a flush surface for safety and aesthetics. Its compliance with standards like Fed. Spec. FF-S-92 and MS24693-C94 ensures consistent performance in aerospace, military, and heavy-duty applications, delivering durability and engineering precision.

Specification Summary & Compliance

This screw features precise UNC coarse threading with a Class 2A fit, ensuring dimensional accuracy and ease of assembly. It is manufactured in accordance with Fed. Spec. FF-S-92, QQ-P-35, MS24693-C94, and NASM24693, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for global industrial use without hazardous substances.