S-91400A106 4-40 x 1/4" FF-S-92, QQ-P-35, MS51957-13 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance from passivated 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- Exceptional tensile strength of 80,000 PSI provides reliable fastening under high-stress industrial conditions.
- Fully threaded UNC coarse design delivers maximum grip and faster installation in various materials.
- Class 2A thread fit ensures consistent, precise engagement with standard nuts and threaded holes.
- No. 1 Phillips drive with rounded pan head offers secure tool engagement and a low-profile, finished appearance.
- Compliance with Fed. Spec. FF-S-92, QQ-P-35, and MS51957-13 guarantees consistent quality and interchangeability.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory acceptance for global supply chains.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 4-40 UNC screws combine passivated 18-8 stainless steel with a fully threaded coarse spacing design to solve common assembly challenges. The material's inherent corrosion resistance prevents degradation in moist or chemically exposed settings, while the 80,000 PSI tensile strength withstands vibrational and dynamic loads in machinery, electronics, and automotive components. The rounded pan head with Phillips drive facilitates quick installation without sacrificing a clean aesthetic, making these screws ideal for enclosures, panels, and precision equipment where both performance and appearance are critical.
Specification Summary & Compliance
This screw features a 4-40 UNC thread with Class 2A fit and coarse spacing, ensuring dimensional accuracy per unified inch standards. Manufacturing adheres to Fed. Spec. FF-S-92, QQ-P-35, and MS51957-13 for consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting use in environmentally regulated markets.
