S-94559A218 8-32 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
- Superior corrosion resistance with 6061 aluminum construction, ideal for harsh environments without compromising integrity.
- High tensile strength of 40,000 psi ensures reliable load-bearing capacity in demanding applications.
- Flanged design with wide button head provides enhanced load distribution and eliminates the need for separate washers.
- Class 2A UNC coarse threading offers quick assembly and reduced cross-threading risks for efficient installations.
- Hex drive compatibility (3/32") allows for secure tool engagement and easy torque application in confined spaces.
- Full RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global supply chains.
- Rockwell B40 hardness delivers excellent durability and wear resistance for long-term performance.
Professional Applications & Engineering Value
This 6061 aluminum flanged rounded head screw is engineered to address common industrial challenges such as vibration loosening and corrosion in assemblies. The UNC coarse thread and Class 2A fit ensure rapid, secure fastening in materials like soft metals and plastics, reducing installation time and maintenance. Its flanged button head design distributes clamping force evenly, preventing surface damage and enhancing joint stability. Ideal for electronics enclosures, automotive components, and machinery, this fully threaded screw provides consistent grip strength, while the aluminum material offers a lightweight yet robust solution that resists galvanic corrosion, making it perfect for weight-sensitive and corrosive environments.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) compliance under exemption 6(b)-II for lead in aluminum alloys and is REACH (EC 1907/2006) compliant, ensuring it aligns with international environmental and safety regulations for industrial use.
