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Basic Cup Washers

Basic or Standard Cup Washers have the sides of the cup or dish bent at roughly 90 degrees. The basic cup washers are manufactured in a shape that allows for a variety of uses in an array of applications. Standard cup washers are used to cover bolts or nuts for safety or anti-tampering requirements. Cup washers are also used to compress insulation and sealant materials. Additionally cup washers are also utilized as spring retainers.

The important characteristics of a basic or standard cup washer are different depending on the uses. The inside cup dimension, the outside dimension, the height, and the material thickness are factors to consider when designing your cup washer. Cup washers are available in materials such as Low Carbon Steel, Spring Steel, Stainless Steel, Brass and Copper. Basic or standard cup washers are available in finishes such as Zinc & Yellow, Zinc & Clear, Galvanized, Black Oxide, Nickel, and Phosphate & Oil. Choose a cup washer material and finish that meets your needs. Basic and standard cup washers are designed to accommodate a variety of bolt sizes and uses. We also offer other categories of washers such as clipped OD washers, D shaped ID washers, slotted square washers, and fender washers. Our catalog of machined parts, stampings, and washers are engineered with high-quality materials to meet your requirements. Contact a specialist at Willie Washer to learn more about cup washers.

Set Descending Direction
Inner Diameter (ID)Outer Diameter (OD)Thickness (T)Bolt Size (Inch)MaterialFinishStockRequest a Quote
0.375 in.0.625 in.0.030 in.5/16Brass13300Part Detail/Quote
0.395 in.0.625 in.0.031 in.3/8Stainless - 400 Series1001Part Detail/Quote
0.288 in.0.760 in.0.060 in.1/4Low Carbon Steel - Soft23900Part Detail/Quote
0.240 in.0.710 in.0.030 in.#12Low Carbon Steel - Soft26000Part Detail/Quote
0.328 in.0.740 in.0.040 in.5/16Low Carbon Steel - Soft11501Part Detail/Quote
0.275 in.0.672 in.0.025 in.1/4Brass0Part Detail/Quote
0.000 in.0.682 in.0.030 in.Brass24852Part Detail/Quote
0.265 in.0.687 in.0.031 in.1/4Low Carbon Steel - Soft0Part Detail/Quote
0.265 in.0.687 in.0.031 in.1/4Low Carbon Steel - SoftZinc & Clear0Part Detail/Quote
0.266 in.0.687 in.0.031 in.1/4Low Carbon Steel - SoftZinc & Clear14880Part Detail/Quote
0.328 in.0.687 in.0.032 in.5/16Low Carbon Steel - Soft0Part Detail/Quote
0.437 in.0.687 in.0.028 in.3/8Brass1055Part Detail/Quote
Set Descending Direction