S-98511A223 4-40 x 5/16" 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
- Superior corrosion resistance from the blue-anodized 7075 aluminum construction, ideal for harsh environments
- High-strength performance with 7075 aluminum alloy, providing reliable durability under demanding loads
- Precise Class 3A thread fit ensures tight, secure fastening with minimal play in critical assemblies
- Easy installation and removal with the 3/32" hex socket drive, reducing tool slippage and assembly time
- Coarse UNC thread design allows for quick engagement and superior holding power in various materials
- Full thread coverage along the 5/16" length maximizes grip and distributes stress evenly
- Compliance with RoHS 3 and REACH regulations ensures safe, environmentally responsible use in industrial applications
Professional Applications & Engineering Value
Engineered for precision and endurance, this blue-anodized 7075 aluminum socket head cap screw addresses common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The Class 3A UNC coarse thread provides excellent engagement in metals and plastics, reducing cross-threading risks while maintaining high clamp loads. Its 3/32" hex drive offers superior torque transmission, minimizing wear on tools and fasteners during repeated use. Ideal for aerospace, automotive, and electronics enclosures, this screw’s anodized surface resists oxidation and wear, extending service life in humid or chemically exposed settings. By combining lightweight strength with regulatory compliance, it delivers reliable performance in demanding industrial fastening applications.
Specification Summary & Compliance
This fastener adheres to UNC coarse thread standards with a precise Class 3A thread fit for high-tolerance assemblies. Dimensions include a 4-40 thread size, 5/16" length, and 3/32" hex drive. It is manufactured from 7075 aluminum with a blue-anodized finish for enhanced durability. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets stringent environmental and safety regulations for industrial components.
