S-98511A123 2-56 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
- Superior corrosion resistance from blue-anodized 7075 aluminum for extended service life in harsh environments
- High-strength aluminum construction provides excellent durability-to-weight ratio for demanding applications
- Precision Class 3A thread fit ensures reliable, vibration-resistant fastening with minimal backlash
- 5/64" hex drive socket delivers secure tool engagement and prevents stripping during installation
- Fully threaded design offers maximum grip length and consistent holding power along the entire fastener
- UNC coarse threading enables quick assembly and disassembly while resisting cross-threading
- Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries
Professional Applications & Engineering Value
These blue-anodized 7075 aluminum socket head cap screws deliver exceptional performance in applications where weight reduction, corrosion resistance, and precision thread engagement are critical. The Class 3A thread fit provides superior dimensional accuracy that eliminates play in high-vibration environments, while the UNC coarse threads facilitate rapid assembly in production settings. The anodized surface treatment creates a durable barrier against oxidation and chemical exposure, making these fasteners ideal for aerospace components, electronic enclosures, marine equipment, and precision instrumentation. The combination of 7075 aluminum's mechanical properties with the socket head design ensures reliable fastening in space-constrained applications where both strength and corrosion protection are paramount.
Specification Summary & Compliance
This socket head cap screw features 2-56 UNC coarse threads with Class 3A precision fit tolerances, ensuring exact thread engagement according to unified screw thread standards. The fastener is manufactured from 7075 aluminum with a blue-anodized finish and measures 1/4" in length with a 9/64" head diameter. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest restrictions on hazardous substances for industrial applications.
