S-95318A123 23 mm ID x 42.9 mm OD ASME B18.2.6M; ASTM F959 Tension-Indicating Structural Washers

Key Features & Benefits at a Glance

• Visual tension confirmation with orange dye provides immediate, reliable verification of proper bolt preload, reducing installation errors and improving joint safety
• Exceptional 176,000 N tension capacity ensures reliable performance in high-stress applications and heavy machinery assemblies
• Class 8.8 galvanized steel construction delivers superior strength and corrosion resistance for extended service life in demanding environments
• Precision Rockwell C37 hardness rating maintains dimensional stability and prevents deformation under extreme loading conditions
• Comprehensive compliance with ASME B18.2.6M and ASTM F959 standards guarantees consistent quality and interchangeability in industrial applications
• RoHS 3 and REACH compliance ensures environmental responsibility and regulatory acceptance for global supply chains
• Optimized metric dimensions (23mm ID/42.9mm OD) provide perfect fit for M22 fasteners while distributing load effectively across contact surfaces

Professional Applications & Engineering Value

This M22 tension indicating washer addresses critical safety concerns in heavy industrial applications where proper bolt tension is paramount. The Class 8.8 galvanized steel construction combined with the orange tension-indicating dye provides engineers with a dual assurance system: corrosion resistance for long-term durability and visual confirmation of correct installation. In structural steel connections, wind turbine assemblies, and heavy machinery where M22 fasteners are employed, the washer's ability to withstand 176,000 N tension loads prevents joint failure while the immediate visual feedback eliminates guesswork during assembly. The metric dimensions ensure seamless integration with international engineering specifications, making it ideal for global manufacturing operations requiring reliable, verifiable bolted connections.

Specification Summary & Compliance

This tension indicating washer features precision dimensions of 23mm ID and 42.9mm OD with thickness ranging from 3.600mm to 6.000mm, specifically engineered for M22 screw applications. Manufactured to exacting ASME B18.2.6M and ASTM F959 standards, it delivers consistent performance and dimensional accuracy. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and regulatory acceptance. With a confirmed Rockwell C37 hardness and 176,000 N tension indication capability, this washer meets the rigorous demands of industrial and construction applications where verification of proper installation is critical to operational safety.