S-90114A516 4-40 x 1/2" ASME B18.6.3 Brass Fillister Head Slotted Screws
Brass Fillister 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 from high-quality brass construction, ideal for harsh industrial environments
- Enhanced torque transmission with slotted drive design for reliable installation and removal
- Exceptional 50,000 psi tensile strength ensures secure fastening in demanding applications
- Precise Class 2A thread fit guarantees smooth assembly and consistent performance
- Optimized high, narrow Fillister head profile provides excellent clearance and aesthetic appeal
- Full compliance with ASME B18.6.3 standards ensures dimensional accuracy and interchangeability
- RoHS 3 and REACH compliant for environmentally responsible manufacturing and global acceptance
Professional Applications & Engineering Value
This 4-40 UNC brass Fillister head slotted screw delivers exceptional engineering value in precision assemblies where corrosion resistance and electrical conductivity are critical. The high-strength brass alloy (Rockwell B40 hardness) combined with coarse UNC threading provides superior resistance to vibration loosening in electronic enclosures, instrumentation, and marine hardware. The rounded Fillister head design offers improved tool clearance while maintaining a low profile for space-constrained applications. With fully threaded construction and Class 2A thread fit, these screws ensure consistent clamping force and reliable performance in automated assembly processes, making them ideal for OEM manufacturing and maintenance applications requiring repeatable, high-quality fastening solutions.
Specification Summary & Compliance
This brass Fillister head slotted screw features precise 4-40 UNC coarse threading with Class 2A thread fit tolerance for consistent engagement. The 1/2" length and dimensional specifications strictly adhere to ASME B18.6.3 manufacturing standards. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements for chemical safety, ensuring global regulatory acceptance for industrial and commercial applications.
