NUT DIMENSIONS: Diameter: 1/4"-20 | Thread Type: Coarse (standard) | Material: 18-8 (304) Stainless Steel
WASHER DIMENSIONS: Inside Diameter: 1/4" | Outside Diameter: 5/8" | 0.05" Thickness | Material: 18-8 (304) Stainless Steel
HIGH QUALITY STAINLESS: These Nuts and Washers are 100% 18-8 (304) Stainless Steel which is one of the highest forms of corrosion resistant steel, making it last longer than other hardware on the market today.
GREAT TO KEEP AROUND: hardware is great to have around for use in wood and wet environments. Bolt Dropper washers are the highest quality available on the market and we stand by our claim 100%. They are strong, corrosion resistant and will support all of your projects.