Washer Dimensions

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Washer Dimensions

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Washers Dimensions Comparison Chart

Metric

Metric

Th means thickness in this table.

BOLT SIZE		FORM A		FORM B		FORM C		FORM D		FORM E		FORM F		FORM G
		O/D	Th	O/D	Th	O/D	Th	O/D	Th	O/D	Th	O/D	Th	O/D	Th
M	1	2.5	0.3
M	1.2	3.0	0.3
M	1.4	3.0	0.3
M	1.6	4.0	0.3
M	2	5.0	0.3
M	2.2	5.0	0.5
M	2.5	6.5	0.5
M	3	7.0	0.5
M	3.5	7.0	0.5
M	4	9.0	0.8			10.0	0.8
M	4.5	9.0	0.8
M	5	10.0	1.0			12.5	1.0			10.0	1.0			15.0	1.6
M	6	12.5	1.6	12.5	0.8	14.0	1.6	14.0	0.1	12.5	1.6			18.0	2.0
M	7	14.0	1.6	14.0	0.8					14.0	1.6			21.0	2.0
M	8	17.0	1.6	17.0	1.0	21.0	1.6	21.0	1.0	17.0	1.6	21.0	1.6	24.0	2.0
M	10	21.0	2.0	21.0	1.2	24.0	2.0	24.0	1.2	21.0	2.0	24.0	2.0	30.0	2.5
M	12	24.0	2.5	24.0	1.6	28.0	2.5	28.0	1.6	24.0	2.5	28.0	2.5	36.0	3.0
M	14	28.0	2.5	28.0	1.6	30.0	2.5	30.0	1.6	28.0	2.5	30.0	2.5	42.0	3.0
M	16	30.0	3.0	30.0	2.0	34.0	3.0	34.0	2.0	30.0	3.0	34.0	3.0	48.0	4.0
M	18	34.0	3.0	34.0	2.0	37.0	3.0	37.0	2.0	34.0	3.0	37.0	3.0	54.0	4.0
M	20	37.0	3.0	37.0	2.0	39.0	3.0	39.0	2.0	37.0	3.0	39.0	3.0	60.0	5.0
M	22	39.0	3.0	39.0	2.0	44.0	3.0	44.0	2.0	39.0	3.0	44.0	3.0	66.0	5.0
M	24	44.0	4.0	44.0	2.5	50.0	4.0	50.0	2.5	44.0	4.0	50.0	4.0	72.0	6.0
M	27	50.0	4.0	50.0	2.5	56.0	4.0	56.0	2.5	50.0	4.0	56.0	4.0	81.0	6.0
M	30	56.0	4.0	56.0	2.5	60.0	4.0	60.0	2.5	56.0	4.0	60.0	4.0	90.0	8.0
M	33	60.0	5.0	60.0	3.0	66.0	5.0	66.0	3.0	60.0	5.0	66.0	5.0	99.0	8.0
M	36	66.0	5.0	66.0	3.0	72.0	5.0	72.0	3.0	66.0	5.0	72.0	5.0	108.0	10.0
M	39	72.0	6.0	72.0	3.0	77.0	6.0	77.0	3.0	72.0	6.0	77.0	6.0	117.0	10.0
M	42	78.0	7.0							78.0	7.0
M	45	85.0	7.0							85.0	7.0
M	48	92.0	8.0							92.0	8.0
M	52	98.0	8.0							98.0	8.0
M	56	105.0	9.0							105.0	9.0
M	60	110.0	9.0							110.0	9.0
M	64	115.0	9.0							115.0	9.0
M	68	120.0	10.0							120.0	10.0
M	72	125.0	10.0
M	76	135.0	10.0
M	80	140.0	12.0
M	85	145.0	12.0
M	90	160.0	12.0
M	95	165.0	12.0
M	100	175.0	14.0

Imperial

Imperial

Bolt Size		Table 3			Table 4
			Light	Heavy		Light	Heavy
		O/D	Thickness	Thickness	O/D	Thickness	Thickness
1/4	Inch	0.562	0.030	0.056	0.625	0.040	0.056
5/16	Inch	0.625	0.040	0.072	0.750	0.048	0.072
3/8	Inch	0.750	0.048	0.072	0.875	0.048	0.072
7/16	Inch	0.875	0.048	0.092	1.000	0.056	0.092
1/2	Inch	1.000	0.056	0.092	1.125	0.056	0.092
9/16	Inch	1.125	0.056	0.104	1.250	0.056	0.104
5/8	Inch	1.250	0.072	0.116	1.375	0.072	0.116
3/4	Inch	1.500	0.072	0.128	1.625	0.072	0.128
7/8	Inch	1.625	0.072	0.144	1.875	0.072	0.144
1	Inch	1.875	0.072	0.160	2.125	0.092	0.160
1.1/8	Inch	2.125	0.092	0.176	2.375	0.104	0.176
1.1/4	Inch	2.375	0.116	0.176	2.625	0.116	0.176
1.3/8	Inch	2.625		0.192	2.875	0.128	0.192
1.1/2	Inch	2.875		0.192	3.125	0.128	0.192
1.3/4	Inch	3.375		0.212	3.625	0.128	0.212
2	Inch	3.625		0.212	4.125	0.128	0.212

Other

Repair Washers
BOLT SIZE			O/D		Thickness
M	5	x	20	x	1.5
M	5	x	25	x	1.5
M	5	x	30	x	1.5
M	6	x	20	x	1.5
M	6	x	25	x	1.5
M	6	x	30	x	1.5
M	6	x	40	x	1.5
M	6	x	50	x	1.5
M	8	x	25	x	1.5
M	8	x	30	x	1.5
M	8	x	40	x	1.5
M	8	x	50	x	1.5
M	10	x	25	x	1.5
M	10	x	30	x	1.5
M	10	x	40	x	1.5
M	10	x	50	x	1.5
M	12	x	40	x	1.5
M	12	x	50	x	1.5

Repair washers are also known as:

Penny Washers
Mudguard Washers
Mudwing Washers

Other Washers
BOLT SIZE
M	3
M	4
M	5
M	6	1/4"
M	8	5/16"
M	10	3/8"
M	12	1/2"
M	14
M	16	5/8"
M	18
M	20	3/4"
M	22	7/8"
M	24	1"
M	27
M	30
M	33
M	36

Some other washers we have available are:

Helical Spring Washers
Shakeproof Washers
Nord-Lock Washers
Belleville Washers

Finishes available:

Plain Carbon Steel
BZP
A2-304 Stainless Steel
A4-316 Stainless Steel
Galvanised
Brass
Nylon

Please Note: Not all washers are available in every finish. Please contact us for more details.

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