S-95318A112 0.657" ID x 1.323" OD ASME B18.2.6; ASTM F959 Type A325 Tension-Indicating Structural Washers

Key Features & Benefits at a Glance

• Orange tension-indicating dye provides immediate visual confirmation of proper installation, reducing assembly errors and inspection time
• 19,000 lbs tension capacity ensures reliable performance in high-stress structural connections and heavy machinery applications
• Galvanized steel construction offers superior corrosion resistance for extended service life in demanding industrial environments
• Rockwell C37 hardness rating maintains dimensional stability under extreme loads, preventing deformation and maintaining clamping force
• Precision dimensional specifications (0.657" ID, 1.323" OD) ensure perfect fit with 5/8" fasteners for optimal load distribution
• Variable thickness design (0.126-0.220") accommodates different compression requirements while maintaining consistent tension indication
• Dual-standard compliance with both ASME B18.2.6 and ASTM F959 Type A325 guarantees engineering reliability and interchangeability

Professional Applications & Engineering Value

This tension indicating washer addresses critical safety concerns in structural steel construction and heavy equipment assembly where proper bolt tension is paramount. The galvanized steel material provides essential corrosion protection for outdoor applications and harsh environments, while the orange tension-indicating dye offers immediate visual verification that eliminates guesswork during installation. Engineered specifically for 5/8" structural bolts, this washer ensures uniform load distribution across connected surfaces, preventing joint relaxation and maintaining structural integrity. The 19,000 lbs tension capacity makes it ideal for critical connections in bridges, building frames, and industrial machinery where failure is not an option. The combination of precise dimensional control and reliable tension indication significantly reduces installation errors and subsequent maintenance costs.

Specification Summary & Compliance

This tension indicating washer features precise dimensional specifications including 0.657" inner diameter, 1.323" outer diameter, and thickness ranging from 0.126" to 0.220" for compatibility with 5/8" structural bolts. Manufactured to meet ASME B18.2.6 and ASTM F959 Type A325 standards, ensuring dimensional accuracy and performance reliability. The product is fully RoHS 3 (2015/863/EU) compliant and meets REACH (EC 1907/2006) requirements as of June 14, 2023, confirming environmental and safety compliance for global industrial applications.