S-91400A907 5/16"-18 x 2" FF-S-92, QQ-P-35, MS51957-102 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• High tensile strength of 80,000 psi provides exceptional load-bearing capacity for demanding industrial applications.
• Fully threaded UNC coarse spacing enables faster installation and secure holding power in a wide range of materials.
• Class 2A thread fit offers consistent, reliable engagement with standard nuts and threaded holes.
• No. 4 Phillips drive and rounded pan head facilitate easy installation with common tools while providing a low-profile, finished appearance.
• Compliance with Fed. Spec. FF-S-92, QQ-P-35, and MS51957-102 guarantees adherence to strict governmental and industrial standards.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory acceptance for global supply chains.

Professional Applications & Engineering Value

This 5/16"-18 x 2" rounded pan head Phillips screw is engineered to address critical challenges in industrial assembly, including vibration resistance, environmental durability, and consistent performance under load. The passivated 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it ideal for outdoor equipment, marine hardware, and food processing machinery. The fully threaded UNC coarse spacing ensures rapid installation and robust clamping force, reducing assembly time while maintaining joint integrity. With an 80,000 psi tensile strength and Class 2A thread fit, this fastener delivers reliable performance in structural applications, electrical enclosures, and heavy-duty mechanical systems where failure is not an option.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC coarse thread with Class 2A fit for precise, interchangeable assembly. It meets Fed. Spec. FF-S-92, QQ-P-35, and MS51957-102 manufacturing standards, ensuring dimensional accuracy and material consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industries.