Crush Washers | McMaster-Carr

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About Washers

Also known as crush washers, these compress when tightened to form a tighter, more durable seal than rubber washers. They are commonly used to seal fluids such as oil and fuel. Washers are not reusable.

Copper washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive. Cellulose-filled copper washers are for low-torque applications since they’re easier to crush than standard copper washers.

Aluminum washers are lightweight and corrosion resistant in wet environments.

For technical drawings and 3-D models, click on a part number.

Copper
For Screw Size	ID	OD	Thick.	Specifications Met	Pkg. Qty.		Pkg.
No. 2	0.094"	0.218"	0.018"-0.025"	__	25	000000000	000000
No. 4	0.125"	0.281"	0.024"-0.038"	__	25	000000000	00000
No. 5	0.141"	0.281"	0.024"-0.038"	__	25	000000000	00000
No. 6	0.156"	0.281"	0.024"-0.038"	__	25	000000000	00000
No. 8	0.174"	0.312"	0.024"-0.038"	__	25	000000000	00000
No. 10	0.203"	0.375"	0.024"-0.038"	__	25	000000000	00000
No. 12	0.234"	0.390"	0.033"-0.047"	__	25	000000000	00000
1/4"	0.260"	0.500"	0.043"-0.057"	__	10	000000000	00000
5/16"	0.344"	0.625"	0.043"-0.057"	__	10	000000000	00000
3/8"	0.406"	0.656"	0.055"-0.069"	__	10	000000000	00000
7/16"	0.500"	0.750"	0.055"-0.069"	__	10	000000000	00000
1/2"	0.531"	0.812"	0.055"-0.069"	__	10	000000000	00000
5/8"	0.688"	0.938"	0.071"-0.086"	__	5	000000000	00000
3/4"	0.812"	1.062"	0.071"-0.086"	__	5	000000000	00000
7/8"	0.938"	1.187"	0.086"-0.104"	__	1	000000000	0000
1"	1.062"	1.375"	0.086"-0.104"	__	1	000000000	00000
1 1/4"	1.312"	1.625"	0.112"-0.13"	__	1	000000000	00000
M2	2.200mm	5.600mm	0.6mm-0.9mm	__	25	000000000	00000
M2.5	2.700mm	6.000mm	0.6mm-0.9mm	__	25	000000000	00000
M3	3.200mm	6.400mm	0.6mm-0.9mm	__	25	000000000	00000
M4	4.300mm	8.000mm	0.8mm-1.2mm	__	25	000000000	00000
M5	5.200mm	10.400mm	0.8mm-1.2mm	DIN 7603	25	000000000	00000
M6	6.200mm	9.900mm	0.8mm-1.2mm	DIN 7603	25	000000000	00000
M6	6.200mm	11.900mm	0.8mm-1.2mm	DIN 7603	25	000000000	00000
M6	6.200mm	12.400mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M8	8.200mm	11.900mm	0.8mm-1.2mm	DIN 7603	25	000000000	00000
M8	8.200mm	12.400mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M8	8.200mm	13.900mm	0.8mm-1.2mm	DIN 7603	25	000000000	00000
M10	10.200mm	13.900mm	0.8mm-1.2mm	DIN 7603	25	000000000	00000
M10	10.200mm	13.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	0000
M10	10.200mm	15.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M12	12.200mm	15.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M12	12.200mm	16.200mm	0.8mm-1.2mm	DIN 7603	25	000000000	00000
M12	12.200mm	17.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M13	13.200mm	17.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M14	14.200mm	17.900mm	0.8mm-1.2mm	DIN 7603	10	000000000	00000
M14	14.200mm	17.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M14	14.200mm	19.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M16	16.200mm	19.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M16	16.200mm	21.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M16	16.200mm	21.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M17	17.200mm	21.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	0000
M18	18.200mm	21.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	0000
M18	18.200mm	23.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M20	20.200mm	23.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	0000
M20	20.200mm	25.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	00000
M21	21.200mm	25.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M22	22.200mm	26.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	00000
M22	22.200mm	28.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	00000
M24	24.300mm	29.900mm	1.8mm-2.2mm	DIN 7603	5	000000000	00000
M25	28.000mm	36.500mm	2.8mm-3.2mm	__	1	000000000	00000
M26	26.300mm	31.900mm	1.8mm-2.2mm	DIN 7603	5	000000000	00000
M27	27.300mm	31.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M27	30.000mm	38.000mm	2.8mm-3.2mm	__	1	000000000	00000
M28	28.300mm	35.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	00000
M30	30.300mm	35.900mm	1.8mm-2.2mm	DIN 7603	5	000000000	00000
M32	32.300mm	37.900mm	1.8mm-2.2mm	DIN 7603	5	000000000	00000
M33	33.300mm	38.900mm	1.8mm-2.2mm	DIN 7603	5	000000000	00000
M36	36.300mm	41.900mm	1.8mm-2.2mm	DIN 7603	5	000000000	00000
M36	36.300mm	43.900mm	1.8mm-2.2mm	DIN 7603	1	000000000	00000
M38	38.300mm	43.900mm	1.8mm-2.2mm	DIN 7603	1	000000000	00000
M42	42.300mm	48.900mm	1.8mm-2.2mm	DIN 7603	1	000000000	00000
M48	48.300mm	54.900mm	1.8mm-2.2mm	DIN 7603	1	000000000	00000
Cellulose-Filled Copper
M6	6.200mm	9.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M8	8.200mm	11.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M8	8.200mm	13.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M10	10.200mm	13.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M10	10.200mm	15.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M12	12.200mm	15.900mm	1.8mm-2.2mm	DIN 7603	25	000000000	00000
M12	12.200mm	17.900mm	1.8mm-2.2mm	DIN 7603	25	000000000	00000
M14	14.200mm	17.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M14	14.200mm	19.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M16	16.200mm	19.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M18	18.200mm	23.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M20	20.200mm	23.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M20	20.200mm	25.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M22	22.200mm	26.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M24	24.300mm	31.900mm	2.3mm-2.7mm	DIN 7603	10	000000000	00000
M26	26.300mm	30.900mm	2.3mm-2.7mm	DIN 7603	10	000000000	00000
M26	26.300mm	31.900mm	2.3mm-2.7mm	DIN 7603	10	000000000	00000
M26	26.300mm	33.900mm	2.3mm-2.7mm	DIN 7603	10	000000000	00000
M28	28.300mm	33.900mm	2.3mm-2.7mm	DIN 7603	5	000000000	00000
M30	30.300mm	35.900mm	2.3mm-2.7mm	DIN 7603	5	000000000	00000
M32	32.300mm	37.900mm	2.3mm-2.7mm	DIN 7603	5	000000000	00000
M36	36.300mm	41.900mm	2.3mm-2.7mm	DIN 7603	5	000000000	00000
M38	38.300mm	43.900mm	2.3mm-2.7mm	DIN 7603	5	000000000	00000
M42	42.300mm	48.900mm	2.3mm-2.7mm	DIN 7603	1	000000000	00000
M48	48.300mm	54.900mm	2.3mm-2.7mm	DIN 7603	1	000000000	00000
M50	50.200mm	56.900mm	2.3mm-2.7mm	DIN 7603	1	000000000	00000
Aluminum
No. 4	0.125"	0.281"	0.024"-0.038"	__	100	000000000	00000
No. 6	0.156"	0.281"	0.024"-0.038"	__	100	000000000	00000
No. 8	0.174"	0.312"	0.024"-0.038"	__	100	000000000	00000
No. 10	0.203"	0.375"	0.024"-0.038"	__	100	000000000	00000
1/4"	0.260"	0.500"	0.043"-0.057"	__	100	000000000	00000
5/16"	0.344"	0.625"	0.043"-0.057"	__	100	000000000	00000
3/8"	0.406"	0.656"	0.055"-0.069"	__	50	000000000	00000
1/2"	0.531"	0.812"	0.055"-0.069"	__	50	000000000	00000
5/8"	0.688"	0.938"	0.071"-0.086"	__	50	000000000	00000
3/4"	0.812"	1.062"	0.071"-0.086"	__	25	000000000	00000
1"	1.062"	1.375"	0.086"-0.104"	__	10	000000000	00000
M3	3.200mm	6.400mm	0.6mm-0.9mm	__	100	000000000	00000
M4	4.300mm	8.000mm	0.8mm-1.2mm	__	100	000000000	00000
M5	5.200mm	9.000mm	0.8mm-1.2mm	__	100	000000000	00000
M6	6.200mm	9.900mm	0.8mm-1.2mm	DIN 7603	50	000000000	00000
M6	6.200mm	11.900mm	0.8mm-1.2mm	DIN 7603	50	000000000	00000
M8	8.200mm	11.900mm	0.8mm-1.2mm	DIN 7603	50	000000000	00000
M8	8.200mm	13.900mm	0.8mm-1.2mm	DIN 7603	10	000000000	0000
M10	10.200mm	13.900mm	0.8mm-1.2mm	DIN 7603	50	000000000	00000
M10	10.200mm	13.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	0000
M10	10.200mm	15.900mm	0.8mm-1.2mm	DIN 7603	50	000000000	00000
M10	10.200mm	15.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	0000
M12	12.200mm	15.900mm	1.3mm-1.7mm	DIN 7603	50	000000000	00000
M12	12.200mm	17.900mm	1.3mm-1.7mm	DIN 7603	50	000000000	00000
M14	14.200mm	17.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M14	14.200mm	19.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M16	16.200mm	19.900mm	1.3mm-1.7mm	DIN 7603	25	000000000	00000
M16	16.200mm	21.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M18	18.200mm	21.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	0000
M18	18.200mm	23.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M20	20.200mm	23.900mm	1.3mm-1.7mm	DIN 7603	5	000000000	0000
M20	20.200mm	25.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M22	22.200mm	26.900mm	1.3mm-1.7mm	DIN 7603	10	000000000	00000
M24	24.300mm	29.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M24	24.300mm	31.900mm	1.8mm-2.2mm	DIN 7603	5	000000000	0000
M26	26.300mm	31.900mm	1.8mm-2.2mm	DIN 7603	10	000000000	00000
M27	30.000mm	38.000mm	2.8mm-3.2mm	__	10	000000000	00000
M30	33.000mm	42.000mm	2.8mm-3.2mm	__	5	000000000	00000
M36	39.000mm	47.500mm	2.8mm-3.2mm	__	5	000000000	00000
M42	45.000mm	53.000mm	2.8mm-3.2mm	__	5	000000000	00000

Fiber Sealing Washers

Made of fiber, these washers create a seal with minimal torque and reseal better than copper and aluminum washers.

For technical drawings and 3-D models, click on a part number.

Fiber
For Screw Size	ID, mm	OD, mm	Thick., mm	Hardness	Specifications Met	Pkg. Qty.		Pkg.
M5	5	8	0.8	Rockwell R50	DIN 7603	100	000000000	00000
M5	5	10	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M6	6	9	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M6	6	10	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M8	8	12	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M8	8	14	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M10	10	14	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M10	10	16	1	Rockwell R50	DIN 7603	100	000000000	0000
M12	12	16	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M12	12	18	1	Rockwell R50	DIN 7603	100	000000000	0000
M12	12	20	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M12	12	24	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M14	14	18	1	Rockwell R50	DIN 7603	100	000000000	0000
M14	14	24	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M16	16	21	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M18	18	22	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M18	18	24	0.8	Rockwell R50	DIN 7603	100	000000000	0000
M22	22	27	0.8	Rockwell R50	DIN 7603	100	000000000	0000

Ring Shims

Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims.

For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like copper or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment.

Aluminum shims are lightweight and nonmagnetic. They have good corrosion resistance.

Brass and copper shims are corrosion resistant and nonmagnetic.

For technical drawings and 3-D models, click on a part number.

1100 Aluminum

0.005" Thick. (-0.0005" to 0.0005" Tolerance)
ID	ID Tolerance	OD	OD Tolerance	Material	Min. Hardness	Pkg. Qty.		Pkg.
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	1100 Aluminum	Not Rated	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	1100 Aluminum	Not Rated	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	1100 Aluminum	Not Rated	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	1100 Aluminum	Not Rated	5	000000000	0000
0.01" Thick. (-0.001" to 0.001" Tolerance)
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	1100 Aluminum	Not Rated	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	1100 Aluminum	Not Rated	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	1100 Aluminum	Not Rated	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	1100 Aluminum	Not Rated	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	1100 Aluminum	Not Rated	5	000000000	00000

5052 Aluminum

0.005" Thick. (-0.0005" to 0.0005" Tolerance)
ID	ID Tolerance	OD	OD Tolerance	Material	Min. Hardness	Pkg. Qty.		Pkg.
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
0.01" Thick. (-0.001" to 0.001" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
0.016" Thick. (-0.0015" to 0.0015" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
0.02" Thick. (-0.002" to 0.002" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
0.032" Thick. (-0.0025" to 0.0025" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
0.063" Thick. (-0.0035" to 0.0035" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	0000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	5052 Aluminum	Not Rated	10	000000000	00000
1/8" Thick. (-0.007" to 0.007" Tolerance)
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	5	000000000	0000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	5052 Aluminum	Not Rated	5	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	5052 Aluminum	Not Rated	5	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	5052 Aluminum	Not Rated	5	000000000	00000

260-360 Brass

0.002" Thick. (-0.0006" to 0.0006" Tolerance)
ID	ID Tolerance	OD	OD Tolerance	Material	Min. Hardness	Specifications Met	Pkg. Qty.		Pkg.
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
0.005" Thick. (-0.0008" to 0.0008" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
7/8"	0" to 0.011"	1 3/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1 1/4"	0" to 0.011"	1 3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
0.01" Thick. (-0.0013" to 0.0013" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
7/8"	0" to 0.011"	1 3/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1 1/4"	0" to 0.011"	1 3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
0.016" Thick. (-0.0025" to 0.0025" Tolerance)
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	5	000000000	0000
0.02" Thick. (-0.003" to 0.003" Tolerance)
1/4"	0" to 0.011"	3/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	0000
7/8"	0" to 0.011"	1 3/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1 1/4"	0" to 0.011"	1 3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
0.025" Thick. (-0.003" to 0.003" Tolerance)
3/8"	0" to 0.011"	5/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1/2"	0" to 0.011"	3/4"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
5/8"	0" to 0.011"	1"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
3/4"	0" to 0.011"	1 1/8"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000
1"	0" to 0.011"	1 1/2"	-0.002" to 0.002"	260-360 Brass	Rockwell B60	ASTM B36	10	000000000	00000

Sealing Washer Assortments

Also known as crush washers, the washers in these assortments compress when tightened to form a tight, durable seal that prevents leaks.

Aluminum washers are lightweight and corrosion resistant in wet environments.

Copper washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.

Metric
Number of Pieces	Sizes Included	Specifications Met	Container Type		Each
Aluminum
570	For M6 to M30 Screw Sizes	DIN 7603	Plastic Box	000000000	0000000
Copper
555	For M5 to M42 Screw Sizes	DIN 7603	Plastic Box	000000000	000000

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