Upgrade your fastening solutions with the Fastenal 5/16" x 0.875" OD 18-8 Stainless Steel Large OD Flat Washer. Precision-crafted for durability and strength, this washer is an excellent choice for both professional and home use. The plain finish ensures a sleek, uncoated look that complements a variety of applications. With a hole size of 5/16" and an interior diameter of 0.344", these washers provide a secure fit for your bolts and screws. The pack contains 50 pieces, making it a convenient option for projects requiring multiple washers. The inch-based system of measurement and 0.040" thickness offer precise control and stability in any setting.