S-94070A105 4-40 x 3/16" ASME B18.6.3 Brass Pan Head Phillips Screws
Brass 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 brass construction for long-lasting performance in harsh industrial environments
- Excellent electrical conductivity making these screws ideal for electrical and electronic assemblies
- Reliable fastening power with 50,000 psi tensile strength and Rockwell B40 hardness for secure connections
- Quick installation with Phillips No. 1 drive that provides good torque transfer and prevents cam-out
- Maximum thread engagement through fully threaded design ensuring superior holding power across the entire length
- Precise fit and interchangeability with Class 2A thread fit and UNC coarse threads for easy assembly
- Comprehensive compliance meeting ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
These 4-40 UNC brass pan head machine screws deliver exceptional value in precision engineering applications where corrosion resistance and electrical conductivity are critical. The brass material provides natural protection against rust and degradation, making these fasteners ideal for electrical enclosures, instrument panels, and marine environments. The fully threaded design ensures maximum surface contact and holding power throughout the entire 3/16" length, while the Phillips No. 1 drive offers efficient installation without specialized tools. The coarse UNC threads provide excellent engagement in various materials, reducing the risk of cross-threading and ensuring reliable performance in industrial assembly lines and maintenance applications.
Specification Summary & Compliance
This 4-40 UNC brass pan head machine screw features precise Class 2A thread fit with coarse thread spacing for reliable performance. Manufactured to exacting ASME B18.6.3 specifications, these screws maintain dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. With 50,000 psi tensile strength and Rockwell B40 hardness, these screws meet rigorous mechanical requirements for demanding applications.
