S-91400A116 4-40 x 3/4" FF-S-92, QQ-P-35, MS51957-19 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 with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable performance under demanding mechanical loads
- Easy installation and removal with Phillips No. 1 drive design, reducing assembly time and tool slippage
- Full UNC coarse threading provides faster engagement and superior holding power in various materials
- Class 2A thread fit guarantees consistent, precision mating with standard nuts and threaded holes
- Rounded pan head profile offers a low-profile, finished appearance while minimizing snagging risks
- Compliance with Fed. Spec. FF-S-92, RoHS 3, and REACH ensures regulatory adherence for global industrial applications
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 4-40 UNC rounded pan head Phillips screws in passivated 18-8 stainless steel deliver exceptional durability where corrosion resistance and mechanical integrity are critical. The fully threaded coarse spacing and Class 2A fit enable rapid, secure fastening in electronics, machinery, and assembly lines, reducing installation errors. The Phillips No. 1 drive ensures torque control, minimizing cam-out and damage to components. Ideal for applications requiring compliance with stringent specifications, these screws provide long-term reliability in environments exposed to moisture, chemicals, or variable stresses, supporting efficient maintenance and reduced lifecycle costs.
Specification Summary & Compliance
This screw features a 4-40 UNC thread with Class 2A dimensional accuracy and coarse spacing for consistent performance. Manufactured to meet Fed. Spec. FF-S-92 and MS51957-19, it ensures adherence to industrial standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions adherence.
