S-91772A101 3-48 x 1" ASME B18.6.3 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
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Optimized installation efficiency featuring No. 1 Phillips drive and pan head design for secure tool engagement
- Precision thread engagement with UNC coarse threads and Class 2A fit ensuring consistent fastening in various materials
- Full-threaded design providing maximum grip length and superior holding power across the entire 1" length
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 & REACH
- Versatile rounded head profile offering smooth surface transition and reduced risk of snagging in assembly applications
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 3-48 UNC pan head Phillips screws deliver critical performance advantages in machinery assembly, electronic enclosures, and precision equipment. The passivated 18-8 stainless steel construction provides exceptional resistance to corrosion and chemical exposure, while the coarse thread design ensures rapid installation and superior pull-out resistance in softer materials. The combination of 70,000 psi tensile strength and fully threaded configuration addresses common failure points in vibration-prone environments, making these rounded head screws ideal for applications requiring both mechanical reliability and regulatory compliance.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerance for consistent performance. Features UNC coarse threads (3-48 specification) with complete RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety. The 1" length and fully threaded design maintain dimensional accuracy across production batches, ensuring interchangeability in industrial fastener applications.
