S-92446A110 4-40 x 1/2" ASME B18.6.3 Brass Pan Head Slotted Screws
Brass Pan Head Slotted 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
- Enhanced durability with Rockwell B40 hardness rating, maintaining structural integrity under repeated use
- High tensile strength of 50,000 psi provides reliable fastening security for critical applications
- Precision Class 2A thread fit ensures smooth installation and consistent engagement with mating components
- Full threading along 1/2" length offers maximum grip and adjustment flexibility in assembly processes
- Standard slotted pan head design enables quick installation with common tools while providing a low-profile finish
- Compliance with major industrial standards including ASME B18.6.3, RoHS 3, and REACH for global regulatory acceptance
Professional Applications & Engineering Value
These 4-40 UNC brass slotted pan head screws deliver exceptional value in electrical, marine, and plumbing applications where corrosion resistance is critical. The coarse UNC threading with Class 2A fit prevents cross-threading during high-volume assembly while maintaining secure fastening in vibration-prone environments. The rounded pan head profile with standard slotted drive provides reliable tool engagement without protruding excessively, making these brass fasteners ideal for confined spaces and aesthetic-conscious industrial designs. The combination of 50,000 psi tensile strength and Rockwell B40 hardness ensures these screws withstand mechanical stress while the fully threaded design maximizes contact surface for superior holding power in various material thicknesses.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with precise Class 2A thread fit tolerance for consistent performance. Features 4-40 UNC coarse threading with right-hand direction and 1/2" fully threaded length. The 0.219" head diameter and standard pan head profile ensure proper seating and distribution of clamping force. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe industrial use worldwide.
