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Cup Washers

Cup washers are formed washers that come in a range of styles. We provide a wide array of forms to suit the specific type you need: formed flat-sided cup washers, cup washers with flanges or flat rims to fit into recesses or holes, and even countersunk cup washers to be used with flat head or oval head screws and bolts. Cup washers can be used as spring retainers, centering washers, tamper proofing, and as finishing washers. Cup washers are offered in materials such as Low Carbon Steel, Brass, Stainless Steel, Copper, and Spring Steel.

Browse our large selection of cup washers to find a product that meets your needs and demands. Contact our specialists with questions or concerns about cup washers.

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ID	OD	T	Bolt Size (Inch)	Bolt Size (Metric)	Material	Finish	Stock	Request a Quote
0.145 in.	0.320 in.	0.018 in.	#5		Low Carbon Steel - Soft	Zinc & Clear	18750	Part Detail/Quote
0.140 in.	0.335 in.	0.020 in.	#5	M3	Low Carbon Steel - Soft		0	Part Detail/Quote
0.145 in.	0.325 in.	0.023 in.	#5		Low Carbon Steel - Soft	Tin	70401	Part Detail/Quote
0.140 in.	0.328 in.	0.015 in.	#5	M3	Brass		53300	Part Detail/Quote
0.201 in.	0.343 in.	0.033 in.	#10		Low Carbon Steel - Soft	Zinc & Yellow	13780	Part Detail/Quote
0.171 in.	0.350 in.	0.018 in.	#8	M4	Low Carbon Steel - Soft	Zinc & Clear	0	Part Detail/Quote
0.171 in.	0.350 in.	0.020 in.	#8	M4	Brass		41025	Part Detail/Quote
0.170 in.	0.365 in.	0.020 in.	#8	M4	Brass	Nickel	0	Part Detail/Quote
0.170 in.	0.370 in.	0.020 in.	#8	M4	Brass		6000	Part Detail/Quote
0.180 in.	0.375 in.	0.022 in.	#8	M4	Low Carbon Steel - Soft	Zinc & Clear	36600	Part Detail/Quote
0.265 in.	0.406 in.	0.016 in.	1/4	M6	Low Carbon Steel - Soft	Zinc & Clear	23020	Part Detail/Quote
0.265 in.	0.406 in.	0.016 in.	1/4	M6	Stainless - 300 Series		32450	Part Detail/Quote

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