S-94610A412 13.4 mm ID x 34 mm OD ASME B18.22M Ultra-High-Temperature Ceramic Washers

Key Features & Benefits at a Glance

• Exceptional thermal resistance - withstands continuous operation up to 3000°F (1650°C) without degradation, ideal for extreme temperature applications
• Precision dimensional stability - maintains exact 13.4mm ID and 34mm OD specifications under thermal stress for reliable M12 screw compatibility
• Superior electrical insulation properties - ceramic material provides excellent dielectric strength in high-temperature electrical applications
• Chemical and corrosion resistance - off-white ceramic construction resists oxidation, chemical attack, and environmental degradation
• Regulatory compliance assurance - meets ASME B18.22M standards for dimensional accuracy and RoHS 3/REACH environmental directives
• Consistent thickness control - 2.5-3.5mm thickness range ensures uniform load distribution and reliable sealing performance
• Non-contaminating surface - ceramic material prevents particle generation and maintains purity in sensitive high-temperature processes

Professional Applications & Engineering Value

This ceramic flat washer delivers critical engineering solutions for industries where conventional metal washers fail. The M12 metric sizing with precise 13.4mm internal diameter and 34mm outer diameter ensures perfect fitment in high-temperature assemblies. Ceramic material properties eliminate thermal expansion issues that plague metal components, maintaining dimensional stability when exposed to rapid temperature cycling from ambient to 3000°F. This makes it indispensable for industrial furnace systems, aerospace components, power generation equipment, and semiconductor manufacturing where thermal management is paramount. The flat washer design provides superior load distribution while the ceramic construction prevents galvanic corrosion when used with dissimilar metals, extending equipment service life in corrosive high-heat environments.

Specification Summary & Compliance

This metric flat washer features precision dimensions of 13.4mm ID × 34mm OD with thickness ranging 2.5-3.5mm, specifically engineered for M12 screw applications. Manufactured to ASME B18.22M dimensional standards, it ensures interchangeability and reliable performance in industrial assemblies. The product maintains full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations concerning chemical safety. The ceramic material provides consistent performance across the entire operating temperature range up to 3000°F while meeting industrial specifications for high-temperature applications.