S-90114A511 4-40 x 1/4" 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 with brass construction for long-lasting performance in demanding environments
- High-strength durability with 50,000 psi tensile strength and Rockwell B40 hardness for reliable load-bearing applications
- Precision thread fit with Class 2A UNC coarse threads ensuring smooth installation and secure fastening
- Optimized head design featuring a high, narrow Fillister profile for enhanced tool engagement and reduced head protrusion
- Full compliance with ASME B18.6.3 standards guaranteeing dimensional accuracy and interchangeability
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe use in regulated industries
- Versatile coarse threading (4-40 UNC) providing excellent grip in softer materials and faster assembly times
Professional Applications & Engineering Value
This brass Fillister head slotted screw delivers exceptional engineering value in precision assemblies where corrosion resistance and reliable fastening are critical. The high, narrow rounded head profile minimizes space requirements while providing superior slotted drive engagement, reducing cam-out risks during installation. With its 4-40 UNC coarse threading and Class 2A thread fit, this fastener ensures consistent performance in electrical components, instrumentation, and marine applications where brass material prevents galvanic corrosion. The fully threaded design offers maximum holding power across the entire 1/4" length, making it ideal for securing panels, chassis, and delicate mechanisms in industrial environments.
Specification Summary & Compliance
This rounded head screw features precise Class 2A thread fit per UNC standards with dimensional compliance to ASME B18.6.3 specifications. The manufacturing process adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring material safety and regulatory compliance for global industrial applications.
