S-94555A077 2-56 x 1/4" Ceramic Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional thermal stability - Maintains structural integrity in extreme environments up to 3000°F without degradation
• Superior corrosion resistance - Alumina ceramic construction provides excellent resistance to chemicals and oxidation
• Reliable electrical insulation - Non-conductive properties make these screws ideal for electrical applications
• Precision threading - Class 2A UNC coarse threads ensure consistent, secure fastening with proper clearance
• Easy installation - External hex drive design allows for straightforward installation with standard tools
• Regulatory compliance - Meets RoHS 3 and REACH environmental standards for safe industrial use
• Dimensional accuracy - 1/4" length with precise 2-56 thread specifications for reliable performance

Professional Applications & Engineering Value

These alumina ceramic hex head screws deliver exceptional performance in demanding industrial environments where traditional metal fasteners fail. The off-white alumina ceramic material provides outstanding thermal resistance up to 3000°F, making them ideal for furnace applications, high-temperature processing equipment, and thermal management systems. The 2-56 UNC coarse threading with Class 2A fit ensures reliable engagement in brittle materials where fine threads might cause cracking. The external hex drive design facilitates secure installation while the ceramic construction offers excellent electrical insulation properties for electronic enclosures and power distribution systems. These fasteners solve critical engineering challenges in semiconductor manufacturing, aerospace components, and laboratory equipment where thermal stability and corrosion resistance are paramount.

Specification Summary & Compliance

This alumina ceramic hex head screw features precise 2-56 UNC coarse threading with Class 2A thread fit per standard inch system specifications. The fastener measures 1/4" in length with 1/8" head width and 3/64" head height, providing consistent dimensional accuracy for reliable installation. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory compliance for industrial applications worldwide. The fully threaded design and right-hand thread direction follow established industrial fastener standards for predictable performance across high-temperature applications.