S-93085A656 1/4"-20 x 1" FF-S-92, QQ-P-35, MS24693-98B, NASM24693, SAE AMS2700 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and reducing replacement costs.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Rockwell B70 hardness provides excellent wear resistance and durability for long-term use.
• Fully threaded design offers maximum grip and holding power in various materials.
• 100° countersink angle and flat head allows for a flush, secure fit, minimizing snagging and improving safety.
• Class 2A thread fit and UNC coarse thread enable quick, easy assembly and disassembly, saving time in maintenance.
• Compliance with multiple standards including Fed. Spec. FF-S-92 and RoHS 3, ensuring quality and regulatory acceptance.

Professional Applications & Engineering Value

This 1/4"-20 UNC flat head Phillips screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The Black-Oxide 18-8 Stainless Steel material provides enhanced protection against rust and chemical exposure, making it suitable for outdoor, marine, and manufacturing settings. Its fully threaded coarse thread design ensures strong engagement in metals and plastics, reducing the risk of strip-out and improving assembly efficiency. The flat head with a 100° countersink offers a smooth, low-profile finish, essential for applications where protruding fasteners could cause interference or safety hazards. Ideal for machinery, automotive, and aerospace assemblies, this screw delivers reliable performance and longevity in demanding environments.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threading for consistent performance. It meets stringent standards including Fed. Spec. FF-S-92, QQ-P-35, MS24693-98B, NASM24693, and SAE AMS2700, ensuring high-quality manufacturing. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental and safety regulations for global industrial use.