ISO 7089 Washers | McMaster-Carr

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208 Products

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Corrosion Resistant

Won't rust in wet and outdoor environments

125 products

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Withstand heavy loads and high stress without deforming

40 products

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Use in automation and other applications with weight limits

16 products

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Fasten components on printed circuit boards and inside breaker panels

11 products

General Purpose Washers

Your go-to metal washer for every screw size. Washers take the pressure off nuts and screws to protect mounting surfaces.

Stainless Steel About Stainless Steel

18-8 Stainless Steel—The choice for wet and outdoor environments, these washers resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.

Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these washers have a dark, matte coating to create a finished look. They resist rust in wet and outdoor environments, but won't hold up to harsh chemicals as well as 316 stainless steel.

Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these washers won't degrade when exposed to harsh weather, salt water, and most chemicals.

Super-Corrosion-Resistant High-Strength Bumax 109 Stainless Steel—As strong as 17-7 PH stainless steel and as corrosion resistant as 316 stainless steel. These washers are commonly used in demanding environments, such as marine and chemical processing applications.

	For Screw Size	ID, mm	OD, mm	Thk., mm	Specs. Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel


		M1	1.1	3.2	0.2 to 0.4	ISO 7089	100	93475A154	00000
		M1.2	1.3	3.8	0.2 to 0.4	ISO 7089	100	93475A165	0000
		M1.4	1.5	3.8	0.2 to 0.4	ISO 7089	100	93475A179	0000
		M1.6	1.7	4.0	0.2 to 0.4	DIN 125, ISO 7089	100	93475A190	0000
		M2	2.2	5.0	0.2 to 0.4	DIN 125, ISO 7089	100	93475A195	0000
		M2.5	2.7	6.0	0.4 to 0.6	DIN 125, ISO 7089	100	93475A196	0000
		M3	3.2	7.0	0.4 to 0.6	DIN 125, ISO 7089	100	93475A210	0000
		M3.5	3.7	8.0	0.4 to 0.6	DIN 125, ISO 7089	100	93475A220	0000
		M4	4.3	9.0	0.7 to 0.9	DIN 125, ISO 7089	100	93475A230	0000
		M5	5.3	10.0	0.9 to 1.1	DIN 125, ISO 7089	100	93475A240	0000
		M6	6.4	12.0	1.4 to 1.8	DIN 125, ISO 7089	100	93475A250	0000
		M7	7.4	14.0	1.4 to 1.8	DIN 125, ISO 7089	100	93475A260	0000
		M8	8.4	16.0	1.4 to 1.8	DIN 125, ISO 7089	100	93475A270	00000
		M10	10.5	20.0	1.8 to 2.2	DIN 125, ISO 7089	50	93475A280	00000
		M12	13.0	24.0	2.3 to 2.7	DIN 125, ISO 7089	25	93475A290	00000
		M14	15.0	28.0	2.3 to 2.7	DIN 125, ISO 7089	25	93475A300	00000
		M16	17.0	30.0	2.7 to 3.3	DIN 125, ISO 7089	25	93475A310	00000
		M18	19.0	34.0	2.7 to 3.3	DIN 125, ISO 7089	10	93475A315	0000
		M20	21.0	37.0	2.7 to 3.3	DIN 125, ISO 7089	10	93475A320	00000
		M22	23.0	39.0	2.7 to 3.3	DIN 125, ISO 7089	1	98689A224	0000
		M24	25.0	44.0	3.7 to 4.3	DIN 125, ISO 7089	10	93475A330	00000
		M30	31.0	56.0	3.7 to 4.3	DIN 125, ISO 7089	1	93475A350	0000
		M36	37.0	66.0	4.4 to 5.6	DIN 125, ISO 7089	1	93475A360	0000
		M39	40.0	72.0	5.4 to 6.6	DIN 125, ISO 7089	1	93475A370	0000
		M42	43.0	78.0	6.0 to 8.0	DIN 125, ISO 7089	1	93475A380	0000

		Black-Oxide 18-8 Stainless Steel


				M3	3.2	7.0	0.4 to 0.6	DIN 125, ISO 7089	100	98269A420	0000
				M4	4.3	9.0	0.7 to 0.9	DIN 125, ISO 7089	100	98269A430	0000
				M5	5.3	10.0	0.9 to 1.1	DIN 125, ISO 7089	100	98269A440	0000
				M6	6.4	12.0	1.4 to 1.8	DIN 125, ISO 7089	100	98269A450	00000

				Super-Corrosion-Resistant 316 Stainless Steel


						M1.6	1.7	4.0	0.2 to 0.4	DIN 125, ISO 7089	100	90965A120	0000
						M2	2.2	5.0	0.2 to 0.4	DIN 125, ISO 7089	100	90965A110	0000
						M2.5	2.7	6.0	0.4 to 0.6	DIN 125, ISO 7089	100	90965A115	0000
						M3	3.2	7.0	0.4 to 0.6	DIN 125, ISO 7089	100	90965A130	0000
						M3.5	3.7	8.0	0.4 to 0.6	DIN 125, ISO 7089	100	90965A140	0000
						M4	4.3	9.0	0.7 to 0.9	DIN 125, ISO 7089	100	90965A150	0000
						M5	5.3	10.0	0.9 to 1.1	DIN 125, ISO 7089	100	90965A160	0000
						M6	6.4	12.0	1.4 to 1.8	DIN 125, ISO 7089	100	90965A170	0000
						M7	7.4	14.0	1.4 to 1.8	DIN 125, ISO 7089	100	90965A180	00000
						M8	8.4	16.0	1.4 to 1.8	DIN 125, ISO 7089	100	90965A190	00000
						M10	10.5	20.0	1.8 to 2.2	DIN 125, ISO 7089	50	90965A200	00000
						M12	13.0	24.0	2.3 to 2.7	DIN 125, ISO 7089	25	90965A210	00000
						M14	15.0	28.0	2.3 to 2.7	DIN 125, ISO 7089	25	90965A220	00000
						M16	17.0	30.0	2.7 to 3.3	DIN 125, ISO 7089	25	90965A230	00000
						M18	19.0	34.0	2.7 to 3.3	DIN 125, ISO 7089	10	90965A240	0000
						M20	21.0	37.0	2.7 to 3.3	DIN 125, ISO 7089	10	90965A250	0000
						M24	25.0	44.0	3.7 to 4.3	DIN 125, ISO 7089	5	90965A260	0000
						M30	31.0	56.0	3.7 to 4.3	DIN 125, ISO 7089	5	90965A270	00000
						M36	37.0	66.0	4.4 to 5.6	DIN 125, ISO 7089	1	90965A280	0000
						M39	40.0	72.0	5.4 to 6.6	DIN 125, ISO 7089	1	90965A290	0000
						M42	43.0	78.0	6.0 to 8.0	DIN 125, ISO 7089	1	90965A300	0000

						Super-Corrosion-Resistant High-Strength Bumax 109 Stainless Steel


M6								6.4	12.0	1.4 to 1.8	DIN 125, ISO 7089	10	94316A310	0000
M8	8.4							16.0	1.4 to 1.8	DIN 125, ISO 7089	10	94316A320	0000
M10	10.5							20.0	1.8 to 2.2	DIN 125, ISO 7089	5	94316A330	0000
M12	13.0							24.0	2.3 to 2.7	DIN 125, ISO 7089	5	94316A340	00000

Steel

Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.

Zinc-Yellow-Chromate-Plated Steel—With the same corrosion resistance as zinc-plated steel, these withstand occasional exposure to moisture.

Black-Oxide Steel—Typically chosen for their appearance, these washers have a dark, matte coating that creates a finished look. They offer minimal corrosion resistance, so they're best for dry environments.

Blue-Dyed Steel—These metric-sized washers have a distinctive blue color, so you can easily tell them apart from inch washers. The coating provides only minimal corrosion resistance, so these washers are best for dry environments.

Steel—Best for dry environments since moisture will cause these washers to rust.

Super-Corrosion-Resistant Zinc-Flake-Coated Steel—With 40 times the corrosion resistance of zinc-plated steel, these withstand rust as well as 316 stainless steel. They have been tested to extreme standards, including 1,000 hours of salt spray. They are similar to Magni-coated washers.

Black Super-Corrosion-Resistant-Coated Steel—Combines a finished appearance with the rust resistance of 316 stainless steel. The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments. Also known as black luster.

For Fastener Strength Grade/Class—If you require screws or nuts with a specific fastener strength rating, make sure your washer matches the grade or class.

	For Screw Size	ID, mm	OD, mm	Thk., mm	For Fastener Strength Grade/Class	Specs. Met	Pkg. Qty.		Pkg.
Zinc-Plated Steel


		M1.6	1.7	4.0	0.2 to 0.4	—	DIN 125, ISO 7089	100	91166A170	00000
		M2	2.2	5.0	0.2 to 0.4	—	DIN 125, ISO 7089	100	91166A180	0000
		M2	2.2	5.0	0.2 to 0.4	ISO Class 8.8	DIN 125, ISO 7089	100	91455A310	0000
		M2	2.2	5.0	0.3 to 0.4	ISO Class 10.9	DIN 125, ISO 7089	100	98688A147	00000
		M2.5	2.7	6.0	0.4 to 0.6	—	DIN 125, ISO 7089	100	91166A190	0000
		M2.5	2.7	6.0	0.4 to 0.6	ISO Class 8.8	DIN 125, ISO 7089	100	91455A320	0000
		M2.5	2.7	6.0	0.5 to 0.6	ISO Class 10.9	DIN 125, ISO 7089	100	98688A148	0000
		M3	3.2	7.0	0.4 to 0.6	—	DIN 125, ISO 7089	100	91166A210	0000
		M3	3.2	7.0	0.4 to 0.6	ISO Class 8.8	DIN 125, ISO 7089	100	91455A330	0000
		M3	3.2	7.0	0.5 to 0.6	ISO Class 10.9	DIN 125, ISO 7089	100	98688A142	0000
		M3.5	3.7	8.0	0.4 to 0.6	—	DIN 125, ISO 7089	100	91166A220	0000
		M4	4.3	9.0	0.7 to 0.9	—	DIN 125, ISO 7089	100	91166A230	0000
		M4	4.3	9.0	0.7 to 0.9	ISO Class 8.8	DIN 125, ISO 7089	100	91455A340	0000
		M4	4.3	9.0	0.7 to 0.9	ISO Class 10.9	DIN 125, ISO 7089	100	98688A143	00000
		M5	5.3	10.0	0.9 to 1.1	—	DIN 125, ISO 7089	100	91166A240	0000
		M5	5.3	10.0	0.9 to 1.1	ISO Class 8.8	DIN 125, ISO 7089	100	91455A110	0000
		M5	5.3	10.0	0.9 to 1.1	ISO Class 10.9	DIN 125, ISO 7089	100	98688A144	00000
		M6	6.4	12.0	1.4 to 1.8	—	DIN 125, ISO 7089	100	91166A250	0000
		M6	6.4	12.0	1.4 to 1.8	ISO Class 8.8	DIN 125, ISO 7089	100	91455A120	0000
		M6	6.4	12.0	1.4 to 1.8	ISO Class 10.9	DIN 125, ISO 7089	100	91455A611	00000
		M7	7.4	14.0	1.4 to 1.8	—	DIN 125, ISO 7089	100	91166A260	0000
		M8	8.4	16.0	1.4 to 1.8	—	DIN 125, ISO 7089	100	91166A270	0000
		M8	8.4	16.0	1.4 to 1.8	ISO Class 8.8	DIN 125, ISO 7089	100	91455A130	00000
		M8	8.4	16.0	1.4 to 1.8	ISO Class 10.9	DIN 125, ISO 7089	50	91455A612	0000
		M10	10.5	20.0	1.8 to 2.2	—	DIN 125, ISO 7089	100	91166A280	0000
		M10	10.5	20.0	1.8 to 2.2	ISO Class 8.8	DIN 125, ISO 7089	100	91455A140	00000
		M10	10.5	20.0	1.8 to 2.2	ISO Class 10.9	DIN 125, ISO 7089	50	91455A613	00000
		M12	13.0	24.0	2.3 to 2.7	—	DIN 125, ISO 7089	100	91166A290	0000
		M12	13.0	24.0	2.3 to 2.7	ISO Class 8.8	DIN 125, ISO 7089	50	91455A150	00000
		M12	13.0	24.0	2.3 to 2.7	ISO Class 10.9	DIN 125, ISO 7089	25	91455A614	0000
		M14	15.0	28.0	2.3 to 2.7	—	DIN 125, ISO 7089	100	91166A300	00000
		M14	15.0	28.0	2.3 to 2.7	ISO Class 8.8	DIN 125, ISO 7089	50	91455A160	00000
		M14	15.0	28.0	2.3 to 2.7	ISO Class 10.9	DIN 125, ISO 7089	25	91455A615	00000
		M16	17.0	30.0	2.7 to 3.3	—	DIN 125, ISO 7089	100	91166A310	00000
		M16	17.0	30.0	2.7 to 3.3	ISO Class 8.8	DIN 125, ISO 7089	50	91455A170	00000
		M16	17.0	30.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	25	91455A616	00000
		M18	19.0	34.0	2.7 to 3.3	—	DIN 125, ISO 7089	50	91166A315	00000
		M18	19.0	34.0	2.7 to 3.3	ISO Class 8.8	DIN 125, ISO 7089	25	91455A175	00000
		M18	19.0	34.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	5	98688A145	0000
		M20	21.0	37.0	2.7 to 3.3	—	DIN 125, ISO 7089	50	91166A320	00000
		M20	21.0	37.0	2.7 to 3.3	ISO Class 8.8	DIN 125, ISO 7089	25	91455A180	00000
		M20	21.0	37.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	10	91455A617	0000
		M22	23.0	39.0	2.7 to 3.3	ISO Class 8.8	DIN 125, ISO 7089	5	98688A182	00000
		M22	23.0	39.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	5	98688A161	0000
		M24	25.0	44.0	3.7 to 4.3	—	DIN 125, ISO 7089	25	91166A330	00000
		M24	25.0	44.0	3.7 to 4.3	ISO Class 8.8	DIN 125, ISO 7089	5	91455A190	0000
		M24	25.0	44.0	3.7 to 4.3	ISO Class 10.9	DIN 125, ISO 7089	10	91455A618	00000
		M30	31.0	56.0	3.7 to 4.3	—	DIN 125, ISO 7089	10	91166A340	0000
		M30	31.0	56.0	3.7 to 4.3	ISO Class 8.8	DIN 125, ISO 7089	5	91455A220	00000
		M30	31.0	56.0	3.7 to 4.3	ISO Class 10.9	DIN 125, ISO 7089	1	98688A146	0000
		M36	37.0	66.0	4.4 to 5.6	—	DIN 125, ISO 7089	10	91166A360	00000
		M36	37.0	66.0	4.4 to 5.6	ISO Class 8.8	DIN 125, ISO 7089	1	91455A350	0000
		M39	40.0	72.0	5.4 to 6.6	ISO Class 8.8	DIN 125, ISO 7089	1	91455A360	00000
		M42	43.0	78.0	6.0 to 8.0	ISO Class 8.8	DIN 125, ISO 7089	1	91455A370	00000

		Zinc-Yellow-Chromate-Plated Steel


				M3	3.2	7.0	0.5 to 0.6	ISO Class 10.9	DIN 125, ISO 7089	100	90483A151	0000
				M4	4.3	9.0	0.7 to 0.9	ISO Class 10.9	DIN 125, ISO 7089	100	90483A152	00000
				M5	5.3	10.0	0.9 to 1.1	ISO Class 10.9	DIN 125, ISO 7089	100	90483A153	00000
				M6	6.4	12.0	1.4 to 1.8	ISO Class 10.9	DIN 125, ISO 7089	50	90483A154	00000
M8				8.4	16.0	1.4 to 1.8	ISO Class 10.9	DIN 125, ISO 7089	25	90483A155	0000
M10	10.5			20.0	1.8 to 2.2	ISO Class 10.9	DIN 125, ISO 7089	25	90483A156	00000
M12	13.0			24.0	2.3 to 2.7	ISO Class 10.9	DIN 125, ISO 7089	10	90483A157	0000
M14	15.0			28.0	2.3 to 2.7	ISO Class 10.9	DIN 125, ISO 7089	10	90483A158	0000
M16	17.0			30.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	5	90483A159	0000
M18	19.0			34.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	5	90483A171	0000
M20	21.0			37.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	5	90483A172	0000
M22	23.0			39.0	2.7 to 3.3	ISO Class 10.9	DIN 125, ISO 7089	5	90483A173	0000
M22	23.0			39.0	2.7 to 3.3	ISO Class 12.9	DIN 125, ISO 7089	25	90483A108	0000
M24	25.0			44.0	3.7 to 4.3	ISO Class 10.9	DIN 125, ISO 7089	1	90483A174	0000
M30	31.0			56.0	3.7 to 4.3	ISO Class 10.9	DIN 125, ISO 7089	1	90483A175	0000
M30	31.0			56.0	3.7 to 4.3	ISO Class 12.9	DIN 125, ISO 7089	10	90483A109	0000

Black-Oxide Steel


				M2	2.2	5.0	0.3 to 0.4	—	DIN 125, ISO 7089	50	98687A301	0000
				M3	3.2	7.0	0.4 to 0.6	—	DIN 125, ISO 7089	100	98687A307	0000
				M4	4.3	9.0	0.7 to 0.9	—	DIN 125, ISO 7089	100	98687A308	0000
				M5	5.3	10.0	0.9 to 1.1	—	DIN 125, ISO 7089	100	98687A309	0000
				M6	6.4	12.0	1.4 to 1.8	—	DIN 125, ISO 7089	50	98687A304	00000
				M10	10.5	20.0	1.8 to 2.2	—	DIN 125, ISO 7089	25	98687A306	00000
				M22	23.0	39.0	2.7 to 3.3	—	DIN 125, ISO 7089	5	98687A313	0000

				Blue-Dyed Steel


						M4	4.3	9.0	0.7 to 0.9	—	DIN 125, ISO 7089	100	98687A201	0000
						M5	5.3	10.0	0.9 to 1.1	—	DIN 125, ISO 7089	100	98687A202	0000
						M6	6.4	12.0	1.4 to 1.8	—	DIN 125, ISO 7089	100	98687A203	0000
						M8	8.4	16.0	1.4 to 1.8	—	DIN 125, ISO 7089	100	98687A204	0000
						M12	13.0	24.0	2.3 to 2.7	—	DIN 125, ISO 7089	50	98687A205	0000

						Steel


								M35	36.0	66.0	4.4 to 5.6	—	DIN 125, ISO 7089	1	98687A128	0000

								Super-Corrosion-Resistant Zinc-Flake-Coated Steel


										M4	4.3	9.0	0.7 to 0.9	ISO Class 8.8	DIN 125, ISO 7089	50	91455A410	0000
										M5	5.3	10.0	0.9 to 1.1	ISO Class 8.8	DIN 125, ISO 7089	50	91455A420	0000
										M6	6.4	12.0	1.4 to 1.8	ISO Class 8.8	DIN 125, ISO 7089	50	91455A430	0000
										M6	6.4	12.0	1.4 to 1.8	ISO Class 10.9	DIN 125, ISO 7089	100	90486A101	0000
										M8	8.4	16.0	1.4 to 1.8	ISO Class 8.8	DIN 125, ISO 7089	50	91455A440	00000
										M8	8.4	16.0	1.4 to 1.8	ISO Class 10.9	DIN 125, ISO 7089	100	90486A102	0000
										M10	10.5	20.0	1.8 to 2.2	ISO Class 8.8	DIN 125, ISO 7089	25	91455A450	00000
										M10	10.5	20.0	1.8 to 2.2	ISO Class 10.9	DIN 125, ISO 7089	100	90486A103	0000
										M12	13.0	24.0	2.3 to 2.7	ISO Class 8.8	DIN 125, ISO 7089	10	91455A460	0000
										M12	13.0	24.0	2.3 to 2.7	ISO Class 10.9	DIN 125, ISO 7089	100	90486A104	00000
										M14	15.0	28.0	2.3 to 2.7	ISO Class 8.8	DIN 125, ISO 7089	10	91455A470	00000
										M16	17.0	30.0	2.7 to 3.3	ISO Class 8.8	DIN 125, ISO 7089	10	91455A480	00000
										M18	19.0	34.0	2.7 to 3.3	ISO Class 8.8	DIN 125, ISO 7089	5	91455A490	00000
										M20	21.0	37.0	2.7 to 3.3	ISO Class 8.8	DIN 125, ISO 7089	5	91455A510	00000
										M24	25.0	44.0	3.7 to 4.3	ISO Class 8.8	DIN 125, ISO 7089	1	91455A520	0000
										M30	31.0	56.0	3.7 to 4.3	ISO Class 8.8	DIN 125, ISO 7089	1	91455A530	00000

										Black Super-Corrosion-Resistant-Coated Steel


										M4	4.3	9.0	0.7 to 0.9	—	DIN 125, ISO 7089	10	93413A120	0000
										M5	5.3	10.0	0.9 to 1.1	—	DIN 125, ISO 7089	10	93413A130	0000
										M6	6.4	12.0	1.4 to 1.8	—	DIN 125, ISO 7089	10	93413A140	00000
										M7	7.4	14.0	1.4 to 1.8	—	DIN 125, ISO 7089	5	93413A150	0000
										M8	8.4	16.0	1.4 to 1.8	—	DIN 125, ISO 7089	5	93413A160	0000
										M10	10.5	20.0	1.8 to 2.2	—	DIN 125, ISO 7089	5	93413A170	0000
										M12	13.0	24.0	2.3 to 2.7	—	DIN 125, ISO 7089	5	93413A180	0000
										M14	15.0	28.0	2.3 to 2.7	—	DIN 125, ISO 7089	5	93413A190	0000
										M16	17.0	30.0	2.7 to 3.3	—	DIN 125, ISO 7089	5	93413A331	0000
										M18	19.0	34.0	2.7 to 3.3	—	DIN 125, ISO 7089	5	93413A332	0000
										M20	21.0	37.0	2.7 to 3.3	—	DIN 125, ISO 7089	5	93413A333	0000
										M24	25.0	44.0	3.3 to 4.3	—	DIN 125, ISO 7089	1	93413A334	0000

Aluminum

One-third the weight of steel, these washers are commonly used in robotics, automation, and other applications that have weight limits. They're an alternative to stainless steel for rust resistance, but aren't as strong.

	ID, mm	OD, mm	Thk., mm	Specs. Met	Pkg. Qty.		Pkg.
Aluminum


	M1.6	1.7	4.0	0.2 to 0.4	DIN 125, ISO 7089	10	92334A106	000000
	M2	2.2	5.0	0.2 to 0.4	DIN 125, ISO 7089	10	92334A107	00000
	M2.5	2.7	6.0	0.4 to 0.6	DIN 125, ISO 7089	10	92334A108	00000
	M3	3.2	7.0	0.4 to 0.6	DIN 125, ISO 7089	10	92334A109	00000
	M3.5	3.7	8.0	0.4 to 0.6	DIN 125, ISO 7089	10	92334A111	00000
	M4	4.3	9.0	0.7 to 0.9	DIN 125, ISO 7089	10	92334A112	00000
	M5	5.3	10.0	0.9 to 1.1	DIN 125, ISO 7089	10	92334A113	00000
	M6	6.4	12.0	1.4 to 1.8	DIN 125, ISO 7089	10	92334A114	00000
	M7	7.4	14.0	1.4 to 1.8	DIN 125, ISO 7089	10	92334A115	00000
	M8	8.4	16.0	1.4 to 1.8	DIN 125, ISO 7089	10	92334A116	00000
	M10	10.5	20.0	1.8 to 2.2	DIN 125, ISO 7089	10	92334A117	00000
	M12	13.0	24.0	2.3 to 2.7	DIN 125, ISO 7089	10	92334A118	00000
	M14	15.0	28.0	2.3 to 2.7	DIN 125, ISO 7089	5	92334A119	0000
	M16	17.0	30.0	2.7 to 3.3	DIN 125, ISO 7089	5	92334A121	0000
	M18	19.0	34.0	2.7 to 3.3	DIN 125, ISO 7089	5	92334A122	00000
	M20	21.0	37.0	2.7 to 3.3	DIN 125, ISO 7089	5	92334A123	00000

Brass

Softer than most metals, brass washers won't damage other fastening components.

Brass—With a warm, polished look, these washers are often chosen for their appearance. Similar to 18-8 stainless steel, brass is corrosion resistant enough to stand up to wet environments.

	ID, mm	OD, mm	Thk., mm	Specs. Met	Pkg. Qty.		Pkg.
Brass


	M1.6	1.7	4.0	0.2 to 0.4	DIN 125, ISO 7089	10	91635A370	00000
	M2	2.2	5.0	0.2 to 0.4	DIN 125, ISO 7089	100	91635A170	0000
	M2.5	2.7	6.0	0.4 to 0.6	DIN 125, ISO 7089	100	91635A180	0000
	M3	3.2	7.0	0.4 to 0.6	DIN 125, ISO 7089	100	91635A190	0000
	M4	4.3	9.0	0.7 to 0.9	DIN 125, ISO 7089	100	91635A210	0000
	M5	5.3	10.0	0.9 to 1.1	DIN 125, ISO 7089	100	91635A230	0000
	M6	6.4	12.0	1.4 to 1.8	DIN 125, ISO 7089	100	91635A240	00000
	M7	7.4	14.0	1.4 to 1.8	DIN 125, ISO 7089	10	91635A380	0000
	M8	8.4	16.0	1.4 to 1.8	DIN 125, ISO 7089	50	91635A260	00000
	M10	10.5	20.0	1.8 to 2.2	DIN 125, ISO 7089	25	91635A270	00000
	M12	13.0	24.0	2.3 to 2.7	DIN 125, ISO 7089	25	91635A280	00000
	M14	15.0	28.0	2.3 to 2.7	DIN 125, ISO 7089	10	91635A300	00000
	M16	17.0	30.0	2.7 to 3.3	DIN 125, ISO 7089	10	91635A310	00000
	M18	19.0	34.0	2.7 to 3.3	DIN 125, ISO 7089	1	91635A390	0000
	M20	21.0	37.0	2.7 to 3.3	DIN 125, ISO 7089	5	91635A320	00000
	M24	25.0	44.0	3.7 to 4.3	DIN 125, ISO 7089	1	91635A410	0000

Copper

These have the best conductivity of all our metal washers. They're often used to secure electrical connections inside breaker panels and to fasten components on printed circuit boards. They're also the softest of all our metal washers, so they won't damage screws and nuts. However, copper washers aren't as corrosion resistant as brass washers, and will develop a green patina over time.

	ID, mm	OD, mm	Thk., mm	Specs. Met	Pkg. Qty.		Pkg.
Copper


	M3	3.2	7.0	0.4 to 0.6	DIN 125, ISO 7089	25	98044A212	000000
	M4	4.3	9.0	0.7 to 0.9	DIN 125, ISO 7089	25	98044A216	0000
	M5	5.3	10.0	0.9 to 1.1	DIN 125, ISO 7089	25	98044A220	0000
	M6	6.4	12.0	1.4 to 1.8	DIN 125, ISO 7089	25	98044A224	00000
	M8	8.4	16.0	1.4 to 1.8	DIN 125, ISO 7089	10	98044A228	00000
	M10	10.5	20.0	1.8 to 2.2	DIN 125, ISO 7089	5	98044A232	00000
	M12	13.0	24.0	2.3 to 2.7	DIN 125, ISO 7089	5	98044A235	00000
	M14	15.0	28.0	2.3 to 2.7	DIN 125, ISO 7089	1	98044A238	0000
	M16	17.0	30.0	2.7 to 3.3	DIN 125, ISO 7089	1	98044A241	0000
	M18	19.0	34.0	2.7 to 3.3	DIN 125, ISO 7089	1	98044A242	0000
	M20	21.0	37.0	2.7 to 3.3	DIN 125, ISO 7089	1	98044A243	0000