S-94559A614 5/16"-18 x 3/4" Aluminum Oversized-Flange Button Head Hex-Drive Screws
Aluminum Oversized-Flange Button Head Hex-Drive 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
- Enhanced durability and corrosion resistance from 6061 aluminum construction, ideal for harsh industrial environments
- Superior load distribution thanks to the integrated flange design, reducing surface pressure and preventing loosening
- High tensile strength of 40,000 psi ensures reliable performance under significant mechanical stress
- Easy and secure installation with the 3/16" hex drive, providing excellent torque transmission
- Wide rounded button head profile offers a low-profile, aesthetically pleasing finish with reduced snagging risks
- Precise Class 2A thread fit with UNC coarse spacing for quick assembly and reliable engagement
- Full compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
This 6061 aluminum flanged button head screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. The flanged design eliminates the need for a separate washer, distributing clamp load evenly and protecting sensitive surfaces from damage. With its fully threaded UNC coarse spacing and Class 2A thread fit, it ensures rapid, secure fastening in applications like machinery assembly, electronic enclosures, and automotive components. The hex drive allows for high-torque installation with standard tools, while the rounded head provides a smooth, snag-free finish ideal for consumer-facing products and safety-critical assemblies.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, ensuring consistent engagement and reliability. Manufacturing adheres to RoHS 3 (2015/863/EU) with exemption 6(b)-II and REACH (EC 1907/2006) compliance, confirming its suitability for regulated markets. Key dimensions include a 5/16"-18 UNC thread, 3/4" length, and 1" flange diameter, all manufactured to exacting tolerances for industrial use.
