S-91400A548 1/4"-20 x 2" FF-S-92, QQ-P-35, MS51957-87 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 in demanding applications
- Easy installation and removal with No. 3 Phillips drive and fully threaded UNC coarse threads
- Precise Class 2A thread fit provides consistent engagement and reduces cross-threading risks
- Comprehensive regulatory compliance including RoHS 3 and REACH for global market acceptance
- Standard pan head design offers excellent bearing surface and professional appearance
- Military-grade quality meeting Fed. Spec. FF-S-92, QQ-P-35, and MS51957-87 specifications
Professional Applications & Engineering Value
This 1/4-20 x 2" passivated stainless steel rounded head screw delivers exceptional engineering value for industrial applications where corrosion resistance and mechanical strength are critical. The 18-8 stainless steel composition, enhanced by passivation treatment, provides superior protection against oxidation and chemical exposure in manufacturing, marine, and outdoor equipment applications. The UNC coarse threading with Class 2A fit ensures rapid assembly and secure fastening in various materials, while the Phillips drive design enables efficient installation with standard tools. These industrial screws are engineered to maintain integrity under vibration and load stress, making them ideal for machinery assembly, structural frameworks, and heavy-duty equipment maintenance where long-term reliability is paramount.
Specification Summary & Compliance
This rounded head screw features precise 1/4"-20 UNC coarse threads with Class 2A dimensional tolerance for consistent fit and performance. Manufacturing complies with Fed. Spec. FF-S-92, QQ-P-35, and MS51957-87 standards, ensuring military-grade quality control. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial markets and environmentally conscious manufacturing operations.
