S-94559A522 1/4"-20 x 1 1/2" Aluminum Oversized-Flange Button Head Hex-Drive Screws
Aluminum Oversized-Flange Button Head Hex-Drive Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 6061 aluminum construction for long-lasting performance in harsh environments
- Enhanced torque transmission through 5/32" hex drive design for secure installation and removal
- Reliable thread engagement with UNC coarse threading and Class 2A fit ensuring consistent fastening performance
- Increased bearing surface from integrated flange design distributing load effectively and preventing surface damage
- Optimized mechanical strength delivering 40,000 psi tensile strength and Rockwell B40 hardness for demanding applications
- Streamlined assembly with fully threaded design and rounded button head profile for smooth installation
- Environmental compliance meeting RoHS 3 and REACH regulations for safe use across regulated industries
Professional Applications & Engineering Value
This 6061 aluminum flanged rounded head screw addresses critical engineering challenges in industrial applications where corrosion resistance and weight reduction are paramount. The combination of UNC coarse threading and Class 2A thread fit ensures reliable performance in vibration-prone environments, while the integrated flange eliminates the need for separate washers, reducing assembly time and component count. The 5/32" hex drive provides superior torque transmission compared to standard Phillips drives, preventing cam-out during installation. Ideal for machinery assembly, electronic enclosures, and aerospace components, this fastener maintains structural integrity while meeting strict RoHS 3 and REACH compliance requirements for hazardous substance restrictions.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread specifications. This 1/4-20 x 1-1/2 inch aluminum screw features full threading and maintains tight tolerances throughout production. Compliant with RoHS 3 (2015/863/EU) under exemption 6(b)-II for lead as an alloying element in aluminum, and fully REACH (EC 1907/2006) compliant regarding SVHC substances as of January 17, 2023. The manufacturing process adheres to industry standards for aluminum fastener production, ensuring consistent quality and performance.
