S-91400A176 6-40 x 3/8" FF-S-92, QQ-P-35, MS51958-28, NASM51958 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 for extended service life in harsh environments
- Precise thread engagement with Class 2A UNF fine threads ensuring reliable, vibration-resistant fastening
- High tensile strength rated at 80,000 psi for dependable performance in demanding applications
- Optimized drive efficiency with Phillips #2 drive providing secure tool engagement and reduced cam-out risk
- Full threading capability offering maximum grip length and uniform load distribution
- Comprehensive regulatory compliance meeting RoHS 3 and REACH environmental standards
- Standardized dimensions with pan head profile ensuring compatibility with existing tooling and assemblies
Professional Applications & Engineering Value
Engineered for precision assemblies requiring corrosion-resistant fastening solutions, these 6-40 UNF pan head screws deliver exceptional performance in industrial applications. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making them ideal for electronics enclosures, aerospace components, and marine equipment. The UNF fine thread configuration ensures secure fastening in thin materials and vibration-prone environments, while the Phillips drive system offers familiar, efficient installation. With full threading along the 3/8" length, these screws maintain consistent clamping force and prevent loosening under dynamic loads, addressing critical engineering challenges in precision manufacturing and maintenance operations.
Specification Summary & Compliance
These precision fasteners feature Class 2A thread fit per UNF standards with exact dimensional compliance to Fed. Spec. FF-S-92, QQ-P-35, MS51958-28, and NASM51958 specifications. Manufacturing adheres to strict quality controls ensuring dimensional accuracy and performance reliability. The products are fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental regulations for hazardous substance restrictions.
