S-94555A199 8-32 x 1" Ceramic Hex Head Screws

Ceramic Hex Head Screws

0256FA00012 Ceramic Hex Head Screws
0256FA00012 Ceramic Hex Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0256FA00012
Equivalent to mcmaster :
94555A199

Basic Information

Color Off-White
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/4"
Head Height 7/64"

Dimensions

Length 1"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material Alumina Ceramic
Hardness Not Rated

Temperature & Environment

Maximum Temperature 3000°F
REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional thermal stability - withstands extreme temperatures up to 3000°F without compromising structural integrity
  • Superior corrosion resistance - alumina ceramic construction eliminates rust and degradation in harsh chemical environments
  • Excellent electrical insulation - non-conductive properties prevent electrical current transfer in sensitive applications
  • Reliable thread engagement - UNC coarse threading with Class 2A fit ensures secure fastening and vibration resistance
  • Optimized installation efficiency - external hex drive design provides positive tool engagement and torque transmission
  • Maximum holding power - full threading along the entire 1" length delivers superior grip strength
  • Environmental compliance - meets RoHS 3 and REACH regulations for safe industrial use

Professional Applications & Engineering Value

These alumina ceramic hex head screws solve critical engineering challenges in extreme environment applications where metal fasteners fail. The off-white alumina ceramic material maintains dimensional stability and mechanical properties at temperatures reaching 3000°F, making them ideal for furnace components, thermal processing equipment, and high-temperature instrumentation. The UNC coarse threading with Class 2A thread fit ensures reliable installation in brittle materials while the external hex drive provides secure tool engagement without stripping. These fully threaded ceramic screws deliver exceptional electrical insulation and corrosion resistance in chemical processing, semiconductor manufacturing, and aerospace applications where conductivity and contamination must be eliminated.

Specification Summary & Compliance

This 8-32 UNC hex head screw features precise Class 2A thread fit tolerances with coarse thread spacing, measuring 1" in length with 1/4" head width and 7/64" head height. Manufactured from high-purity alumina ceramic with full threading and right-hand thread direction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial applications requiring strict material compliance and safety standards.

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