S-90114A518 4-40 x 3/4" 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 from high-quality brass material, ensuring long-term reliability in harsh industrial environments.
- Excellent tensile strength of 50,000 psi provides reliable fastening for demanding applications without failure.
- Class 2A thread fit with UNC coarse threading ensures easy installation and secure holding power in various materials.
- High, narrow Fillister head design offers a low profile with enhanced torque transmission and clearance in confined spaces.
- Full compliance with ASME B18.6.3 standards guarantees precise dimensions and consistent performance for engineering projects.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
- Slotted drive style allows for simple, tool-friendly installation with standard screwdrivers, reducing assembly time.
Professional Applications & Engineering Value
This 4-40 UNC brass Fillister head slotted screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and space constraints. The brass material offers inherent resistance to rust and galvanic corrosion, making it ideal for electrical components, marine equipment, and plumbing systems. With a coarse thread and Class 2A fit, it ensures quick, secure fastening in soft materials like wood or plastic, reducing the risk of stripping. The high, narrow rounded head profile provides a low-profile finish that minimizes protrusion while maximizing grip area, perfect for assemblies where clearance is limited. Fully compliant with ASME B18.6.3, it delivers reliable performance in industrial screws applications, from machinery to consumer electronics, ensuring durability and ease of maintenance.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, with a diameter of 0.112" and coarse threading for optimal grip. It adheres to ASME B18.6.3 manufacturing specifications, ensuring dimensional accuracy and consistency. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms it is free from hazardous substances, supporting safe and sustainable industrial use.
