S-98511A213 4-40 x 1/4" Aluminum Socket Head Screws
Aluminum Socket Head 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
- Exceptional corrosion resistance from the blue-anodized 7075 aluminum, ideal for harsh environments without compromising integrity.
- High-strength performance due to 7075 aluminum material, providing reliable load-bearing capacity in demanding applications.
- Precise and secure fastening with Class 3A thread fit, ensuring tight tolerances and reduced risk of loosening under vibration.
- Easy installation and removal using the standard hex drive (3/32"), allowing for efficient assembly with common tools.
- Full thread engagement along the 1/4" length, offering maximum grip and uniform stress distribution in connected components.
- Durable surface protection through anodizing, enhancing wear resistance and maintaining aesthetic appeal in industrial settings.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
Professional Applications & Engineering Value
This blue-anodized 7075 aluminum socket head cap screw with 4-40 UNC coarse threads addresses critical engineering needs in high-stress and corrosive environments. The 7075 aluminum alloy delivers a superior strength-to-weight ratio, making it ideal for aerospace, automotive, and precision machinery where weight reduction is essential without sacrificing durability. The Class 3A thread fit and fully threaded design ensure consistent clamping force and vibration resistance, minimizing maintenance in dynamic assemblies. Additionally, the hex drive facilitates quick installation in confined spaces, while the anodized finish protects against oxidation and wear, extending service life in industrial applications such as electronic enclosures and robotic systems.
Specification Summary & Compliance
This fastener adheres to UNC coarse thread standards with a Class 3A thread fit for precise dimensional accuracy. It features a right-hand thread direction, fully threaded rod type, and a length of 1/4". Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets stringent environmental and safety regulations for industrial use.
