High-Quality Construction: Our EXTSW 3/8” ID x 1 1/8” OD x 1/4” Thick 316 Stainless Steel Washers are precision-made in the USA on a CNC lathe, ensuring a perfect fit for your 3/8” stainless bolts.

Dimensional Accuracy: Actual size is .383 ID x 1.115” OD x .250 thick (+/- .003 on all dimensions), providing a reliable and secure fit every time.

Smooth Edges: With a .030 inch Radius OD and countersunk ID, these washers have no sharp edges, reducing the risk of injury and damage to other components.

Corrosion Resistance: Made from 316 Grade Alloy Stainless Steel, which contains a higher percentage of nickel than 304SS, these washers offer superior corrosion resistance in aggressive environments.

Customization Available: If you need a custom size washer, just contact us. We are here to meet your specific requirements.