S-94070A112 4-40 x 5/8" 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, ideal for harsh industrial environments and moisture-prone applications
- Reliable fastening performance from 50,000 psi tensile strength and Rockwell B40 hardness, ensuring long-term joint integrity
- Easy installation and removal with No. 1 Phillips drive and pan head design, reducing assembly time and tool slippage
- Precise thread engagement through Class 2A thread fit and UNC coarse threading, providing consistent clamping force
- Full-length threading for maximum grip across the entire 5/8" length, enhancing load distribution in various materials
- Compliance with global standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance
- Durable rounded pan head profile that resists stripping and offers a low-profile, secure finish
Professional Applications & Engineering Value
Engineered for demanding industrial brass fasteners applications, these 4-40 UNC brass screws address critical challenges in electronics, machinery, and marine equipment where corrosion resistance and electrical conductivity are paramount. The pan head Phillips drive design ensures quick, secure installation without cam-out, while the coarse thread screw configuration provides excellent holding power in soft materials and plastics. With fully threaded construction and right-hand thread orientation, they deliver uniform stress distribution and vibration resistance, making them ideal for assembly lines requiring repetitive, reliable fastening. The combination of brass material and Class 2A thread fit guarantees consistent performance in temperature-variable environments, reducing maintenance costs and downtime.
Specification Summary & Compliance
This 5/8 inch screw maintains precise Class 2A thread fit per UNC standards, with a thread diameter of 0.112" and coarse spacing for optimal engagement. Manufacturing adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances for safe use in global markets.
