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Unit:inch

Plain Washers - Type B (ASTM F844)

ASME B 18.21.1 - 2009 (R2016)

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美标ASME B18.21.1 - 2009 (R2016) ASME18.21 Plain Washers - Type B (ASTM F844)
Size
0# 1# 2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2 9/16
d Narrow/FBN Nominal Size
max
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dc Narrow/FBN Nominal Size
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h Narrow/FBN Nominal Size
max
min
d Regular/FBR Nominal Size
max
min
dc Regular/FBR Nominal Size
max
min
h Regular/FBR Nominal Size
max
min
d Wide/FBW Nominal Size
max
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dc Wide/FBW Nominal Size
max
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h Wide/FBW Nominal Size
max
min
0.068 0.084 0.094 0.109 0.125 0.141 0.156 0.188 0.203 0.234 0.281 0.344 0.406 0.469 0.531 0.594
0.068 0.084 0.094 0.109 0.125 0.141 0.156 0.196 0.211 0.242 0.296 0.359 0.421 0.484 0.546 0.609
0.063 0.079 0.089 0.104 0.12 0.136 0.151 0.183 0.198 0.229 0.276 0.339 0.401 0.464 0.526 0.589
0.125 0.156 0.188 0.219 0.25 0.281 0.312 0.375 0.406 0.438 0.5 0.625 0.734 0.875 1 1.125
0.125 0.156 0.188 0.219 0.25 0.281 0.312 0.383 0.414 0.446 0.515 0.64 0.749 0.89 1.015 1.14
0.12 0.151 0.183 0.214 0.245 0.276 0.307 0.37 0.401 0.433 0.495 0.62 0.727 0.868 0.993 1.118
0.025 0.025 0.025 0.025 0.032 0.032 0.032 0.04 0.04 0.04 0.063 0.063 0.063 0.063 0.063 0.063
0.028 0.028 0.028 0.028 0.036 0.036 0.036 0.045 0.045 0.045 0.071 0.071 0.071 0.071 0.071 0.071
0.022 0.022 0.022 0.022 0.028 0.028 0.028 0.036 0.036 0.036 0.056 0.056 0.056 0.056 0.056 0.056
0.068 0.084 0.094 0.109 0.125 0.141 0.156 0.188 0.203 0.234 0.281 0.344 0.406 0.469 0.531 0.594
0.068 0.084 0.094 0.109 0.133 0.149 0.164 0.196 0.211 0.242 0.296 0.359 0.421 0.484 0.546 0.609
0.063 0.079 0.089 0.104 0.12 0.136 0.151 0.183 0.198 0.229 0.276 0.339 0.401 0.464 0.526 0.589
0.188 0.219 0.25 0.312 0.375 0.406 0.438 0.5 0.562 0.625 0.734 0.875 1 1.125 1.250 1.469
0.188 0.219 0.25 0.312 0.383 0.414 0.446 0.508 0.57 0.64 0.749 0.89 1.015 1.14 1.28 1.499
0.183 0.214 0.245 0.307 0.37 0.401 0.433 0.495 0.557 0.62 0.727 0.868 0.993 1.118 1.243 1.462
0.025 0.025 0.032 0.032 0.04 0.04 0.04 0.04 0.04 0.063 0.063 0.063 0.063 0.063 0.1 0.1
0.028 0.028 0.036 0.036 0.045 0.045 0.045 0.045 0.045 0.071 0.071 0.071 0.071 0.071 0.112 0.112
0.022 0.022 0.028 0.028 0.036 0.036 0.036 0.036 0.036 0.056 0.056 0.056 0.056 0.056 0.09 0.09
0.068 0.084 0.094 0.109 0.125 0.141 0.156 0.188 0.203 0.234 0.281 0.344 0.406 0.469 0.531 0.594
0.068 0.084 0.094 0.117 0.133 0.149 0.164 0.196 0.211 0.242 0.296 0.359 0.421 0.484 0.546 0.609
0.063 0.079 0.089 0.104 0.12 0.136 0.151 0.183 0.198 0.229 0.276 0.339 0.401 0.464 0.526 0.589
0.25 0.281 0.344 0.406 0.438 0.5 0.562 0.625 0.734 0.875 1 1.125 1.25 1.469 1.750 2
0.25 0.281 0.344 0.414 0.446 0.508 0.57 0.64 0.749 0.89 1.015 1.14 1.28 1.499 1.78 2.03
0.245 0.276 0.339 0.401 0.433 0.495 0.557 0.62 0.727 0.868 0.993 1.118 1.243 1.462 1.743 1.993
0.025 0.032 0.032 0.04 0.04 0.04 0.04 0.063 0.063 0.063 0.063 0.063 0.1 0.1 0.1 0.1
0.028 0.036 0.036 0.045 0.045 0.045 0.045 0.071 0.071 0.071 0.071 0.071 0.112 0.112 0.112 0.112
0.022 0.028 0.028 0.036 0.036 0.036 0.036 0.056 0.056 0.056 0.056 0.056 0.09 0.09 0.09 0.09
Size
5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3
d Narrow/FBN Nominal Size
max
min
dc Narrow/FBN Nominal Size
max
min
h Narrow/FBN Nominal Size
max
min
d Regular/FBR Nominal Size
max
min
dc Regular/FBR Nominal Size
max
min
h Regular/FBR Nominal Size
max
min
d Wide/FBW Nominal Size
max
min
dc Wide/FBW Nominal Size
max
min
h Wide/FBW Nominal Size
max
min
0.656 0.812 0.938 1.062 1.188 1.312 1.438 1.562 1.75 1.875 2 2.125 2.375 2.625 2.875 3.125
0.686 0.842 0.968 1.092 1.218 1.342 1.468 1.592 1.78 1.905 2.045 2.17 2.42 2.67 2.92 3.19
0.649 0.805 0.931 1.055 1.181 1.305 1.431 1.555 1.743 1.868 1.99 2.115 2.365 2.615 2.865 3.115
1.25 1.375 1.469 1.75 2 2.25 2.500 2.75 3 3.250 3.5 3.75 4 4.5 5 5.5
1.28 1.405 1.499 1.78 2.03 2.28 2.53 2.78 3.03 3.28 3.545 3.795 4.045 4.545 5.045 5.565
1.243 1.368 1.462 1.743 1.993 2.243 2.493 2.743 2.993 3.243 3.49 3.74 3.99 4.49 4.99 5.49
0.1 0.1 0.1 0.1 0.1 0.16 0.16 0.16 0.16 0.16 0.25 0.25 0.25 0.25 0.25 0.375
0.112 0.112 0.112 0.112 0.112 0.174 0.174 0.174 0.174 0.174 0.266 0.266 0.266 0.266 0.266 0.393
0.09 0.09 0.09 0.09 0.09 0.146 0.146 0.146 0.146 0.146 0.234 0.234 0.234 0.234 0.234 0.357
0.656 0.812 0.938 1.062 1.188 1.312 1.438 1.562 1.75 1.875 2 2.125 2.375 2.625 2.875 3.125
0.686 0.842 0.968 1.092 1.218 1.342 1.468 1.607 1.795 1.92 2.045 2.17 2.42 2.69 2.94 3.19
0.649 0.805 0.931 1.055 1.181 1.305 1.431 1.552 1.74 1.865 1.99 2.115 2.365 2.615 2.865 3.115
1.75 2 2.25 2.500 2.75 3 3.25 3.5 3.75 4 4.25 4.5 5 5.5 6 6.5
1.78 2.03 2.28 2.53 2.78 3.03 3.28 3.545 3.795 4.045 4.295 4.545 5.045 5.565 6.065 6.565
1.743 1.993 2.243 2.493 2.743 2.993 3.243 3.49 3.74 3.99 4.24 4.49 4.99 5.49 5.99 6.49
0.1 0.1 0.16 0.16 0.16 0.16 0.16 0.25 0.25 0.25 0.25 0.25 0.25 0.375 0.375 0.375
0.112 0.112 0.174 0.174 0.174 0.174 0.174 0.266 0.266 0.266 0.266 0.266 0.266 0.393 0.393 0.393
0.09 0.09 0.146 0.146 0.146 0.146 0.146 0.234 0.234 0.234 0.234 0.234 0.234 0.357 0.357 0.357
0.656 0.812 0.938 1.062 1.188 1.312 1.438 1.562 1.75 1.875 2 2.125 2.375 2.625 2.875 3.125
0.686 0.842 0.968 1.092 1.218 1.357 1.483 1.607 1.795 1.92 2.045 2.17 2.44 2.69 2.94 3.19
0.649 0.805 0.931 1.055 1.181 1.302 1.428 1.552 1.74 1.865 1.99 2.115 2.365 2.615 2.865 3.115
2.25 2.5 2.75 3 3.250 3.5 3.75 4 4.25 4.5 4.75 5 5.5 6 6.5 7
2.28 2.53 2.78 3.03 3.28 3.545 3.795 4.045 4.295 4.545 4.795 5.045 5.565 6.065 6.565 7.065
2.243 2.493 2.743 2.993 3.243 3.49 3.74 3.99 4.24 4.49 4.74 4.99 5.49 5.99 6.49 6.99
0.16 0.16 0.16 0.16 0.16 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.375 0.375 0.375 0.375
0.174 0.174 0.174 0.174 0.174 0.266 0.266 0.266 0.266 0.266 0.266 0.266 0.393 0.393 0.393 0.393
0.146 0.146 0.146 0.146 0.146 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.357 0.357 0.357 0.357

Alternative history

ANSI/ASME B 18.21.1 - 2009 ASME 18.21.1 - 2009(R2016)
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