S-94555A321 1/4"-20 x 1" Ceramic Hex Head Screws
Ceramic Hex 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
- Extreme temperature resistance up to 3000°F maintains structural integrity in high-heat industrial environments
- Superior electrical insulation properties prevent current leakage and ensure safe operation in electrical applications
- Exceptional corrosion resistance of alumina ceramic eliminates rust and degradation in harsh chemical environments
- Precision UNC coarse threading with Class 2A fit ensures reliable installation and secure fastening in various materials
- External hex drive design provides superior torque transmission and easy installation with standard tools
- Full regulatory compliance with RoHS 3 and REACH standards meets international environmental and safety requirements
- Off-white ceramic construction offers excellent wear resistance and maintains appearance in demanding applications
Professional Applications & Engineering Value
These alumina ceramic hex head screws deliver exceptional performance in extreme environments where metallic fasteners fail. The high-purity alumina ceramic material provides outstanding thermal stability, maintaining mechanical properties at temperatures up to 3000°F while offering excellent electrical insulation. The UNC coarse threading with Class 2A fit ensures reliable engagement in high-temperature furnaces, semiconductor equipment, and aerospace applications. The external hex drive design allows for secure installation in confined spaces, while the fully threaded construction provides maximum holding power. These fasteners solve critical engineering challenges in thermal processing, power generation, and electronic manufacturing where temperature resistance, corrosion prevention, and electrical isolation are paramount.
Specification Summary & Compliance
This 1/4"-20 x 1" alumina ceramic hex head screw features precision UNC coarse threading with Class 2A thread fit for consistent performance. The external hex drive measures 7/16" across flats with 3/16" height for standard tool compatibility. Manufactured to exacting standards, these screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.
