Washers

Plain Washers – A


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Nominal
Washer
Size
TypeType
Code
T
Thickness
Basic
T
Thickness
MAX / MIN
A
Inside Diameter
Basic
A
Inside Diameter
+ / -
B
Outside Diameter
Basic
B
Outside Diameter
+ / -
0 - /--.020.025 / .016.078.000 / .005.188.000 / .005
2 - /--.020.025 / .016.094.000 / .005.250.000 / .005
4 - /--.032.040 / .025.125.008 / .005.312.008 / .005
6 - .138--.049.065 / .036.156.008 / .005.375.015 / .005
8 - .164--.049.065 / .036.188.008 / .005.438.015 / .005
10 - .190--.049.065 / .036.219.008 / .005.500.015 / .005
3/16 - .188--.049.065 / .036.250.015 / .005.562.015 / .005
12 - .216--.065.080 / .051.250.015 / .005.562.015 / .005
1/4 - .250NarrowNAR.065.080 / .051.281.015 / .005.625.015 / .005
1/4 - .250WideWIDE.065.080 / .051.312.015 / .005.734.015 / .007
5/16 - .312NarrowNAR.065.080 / .051.344.015 / .005.688.015 / .007
5/16 - .312WideWIDE.083.104 / .064.375.015 / .005.875.030 / .007
3/8 - .375NarrowNAR.065.080 / .051.406.015 / .005.812.015 . 007
3/8 - .375WideWIDE.083.104 / .064.438.015 / .0051.000.030 / .007
7/16 - .438NarrowNAR.065.080 / .051.469.015 / .005.922.015 / .007
7/16 - .438WideWIDE.083.104 / .064.500.015 / .0051.250.030 / .007
1/2 - .500NarrowNAR.095.121 / .074.531.015 / .0051.062.030 / .007
1/2 - .500WideWIDE.109.132 / .086.562.015 / .0051.375.030 / .007
9/16 - .562NarrowNAR.095.121 / .074.594.015 / .0051.156.030 / .007
9/16 - .562WideWIDE.109.132 / .086.625.015 / .0051.469.030 / .007
5/8 - .625NarrowNAR.095.121 / .074.656.030 / .0071.312.030 / .007
5/8 - .625WideWIDE.134.160 / .108.688.030 / .0071.750.030 / .007
3/4 - .750NarrowNAR.134.160 / .108.812.030 / .0071.469.030 / .007
3/4 - .750WideWIDE.148.177 / .122.812.030 / .0072.000.030 / .007
MaterialDescription
SS18 - 8 Stainless Steel
STLLow Carbon Steel
FinishDescription
PLNPlain
ZZinc Clear
Nominal Washer SizeT
Thickness REF / Code
A
Inside Diameter
Inside Diameter CodeB
Outside Diameter
20.502.4 / 2.12.14.5
2.50.602.9 / 2.62.65.1
30.803.4 / 3.13.16.2
40.904.4 / 4.14.17.6
51.205.4 / 5.15.19.2
61.606.5 / 6.16.111.8
82.08.5 / 8.18.114.8
102.210.7 / 10.210.218.1
122.512.7 / 12.212.221.1
163.517.0 / 16.216.227.4
20421.2 / 20.220.233.6
24525.5 / 24.524.540
30631.7 / 30.530.548.2
36637.7 / 36.536.558.2
42743.7 / 42.542.568.2
MaterialDescription
SS18 - 8 Stainless Steel
STLLow Carbon Steel
FinishDescription
PLNPlain
ZZinc Clear