18-8 / 304 Grade Stainless Steel Standard Solar Panel Mounting Flat Washers.

• These are Standard Commercial Pattern Solar Flat Washers in Stainless Steel.
• Solar Panel Plain Washers are Commonly Used With a Varity of Fasteners Including Solar Bolts, Screws, and Nuts.  
• Made of 18-8 / 304 Grade Stainless Steel.
• These are the Most Popular Variety of a Flat Washer for Many Solar Bracket Mount Production Applications.