S-94555A194 8-32 x 1/2" Ceramic Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional thermal stability - Maintains structural integrity in continuous operating temperatures up to 3000°F, preventing failure in extreme heat applications
• Superior corrosion resistance - Alumina ceramic construction provides excellent resistance to oxidation and chemical degradation in harsh industrial environments
• Reliable fastening performance - Class 2A thread fit ensures consistent engagement and secure fastening in demanding applications
• Easy installation and removal - External hex drive with 1/4" head width offers excellent tool engagement for straightforward maintenance
• Optimized thread design - 8-32 UNC coarse thread pattern provides superior holding power and reduces cross-threading risks
• Full compliance assurance - Meets RoHS 3 and REACH environmental standards for safe use in regulated industries
• Complete thread coverage - Fully threaded design maximizes grip strength and distributes load evenly across the entire fastener length

Professional Applications & Engineering Value

These alumina ceramic hex head screws deliver critical performance in extreme thermal environments where metallic fasteners would fail. The off-white alumina ceramic material maintains dimensional stability and mechanical properties at temperatures reaching 3000°F, making them ideal for furnace linings, high-temperature processing equipment, thermal insulation systems, and aerospace components. The 8-32 UNC coarse thread design with Class 2A fit ensures reliable installation in brittle materials while the external hex drive provides secure tool engagement without slippage. These fully threaded ceramic screws solve critical challenges in semiconductor manufacturing, heat treatment fixtures, and research laboratories where thermal expansion mismatch and corrosion resistance are primary concerns.

Specification Summary & Compliance

This 8-32 UNC hex head screw features precise Class 2A thread fit tolerances with coarse thread spacing measuring 1/2" in length. The fastener maintains dimensional accuracy per UNC thread standards with a thread diameter of 0.164", head width of 1/4", and head height of 7/64". Manufacturing and material compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial suitability. The right-hand thread direction and fully threaded configuration provide consistent performance across all industrial applications requiring high-temperature ceramic fastening solutions.