S-95318A124 25.1 mm ID x 48.67 mm OD ASME B18.2.6M; ASTM F959 Tension-Indicating Structural Washers

Key Features & Benefits at a Glance

• Visual installation verification with orange tension-indicating dye that confirms proper tightening at 205,000 N load, eliminating guesswork and reducing assembly errors
• Superior corrosion resistance through galvanized steel construction, ensuring long-term durability in harsh industrial environments
• High-strength performance with Class 8.8 rating and Rockwell C37 hardness, providing reliable load-bearing capacity for heavy-duty applications
• Precision dimensional fit with 25.1mm ID and 48.67mm OD, ensuring perfect compatibility with M24 fasteners and uniform load distribution
• Regulatory compliance assurance meeting ASME B18.2.6M and ASTM F959 standards, guaranteeing consistent quality and performance
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use in regulated industries
• Optimized thickness range (4.000mm-7.000mm) providing flexibility for various assembly requirements while maintaining structural integrity

Professional Applications & Engineering Value

This M24 tension indicating washer delivers critical engineering value in applications where bolt tension verification is essential for structural integrity. The galvanized steel construction combined with Class 8.8 strength rating makes it ideal for heavy machinery, structural steel connections, and industrial equipment where corrosion resistance and high load capacity are paramount. The innovative orange tension-indicating dye provides immediate visual confirmation of proper installation at the specified 205,000 N tension load, addressing the common industry challenge of under or over-tightened fasteners that can lead to joint failure. This metric tension washer solution is particularly valuable in construction, manufacturing, and infrastructure projects where safety-critical connections require reliable verification methods without specialized torque measurement equipment.

Specification Summary & Compliance

This tension indicating washer maintains precise dimensional tolerances with 25.1mm ID and 48.67mm OD, engineered for perfect fit with M24 fasteners. Manufactured to Class 8.8 standards with Rockwell C37 hardness, it complies with ASME B18.2.6M and ASTM F959 specifications for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets while delivering reliable tension indication at 205,000 N load capacity.