• Dimensionally comparable to the USS washer, but with a smaller outside diameter and manufactured from a higher grade of steel and heat-treated.
• Designed to be used with A325 structural bolts.
• Rockwell hardness ranges from C38-45.
• Washers are hot dip galvanized to meet ASTM specification A153 class D.
• Washers conform to the dimensions of ASME B18.2.6.
• Fully traceable certifications of chemical and physical compliance available by request.
• Made in USA.
• Origin: Long Beach, CA

Standard Packaging Information