ASME B18.21.1 TABLE 1 Estándar Dimensiones para Helical spring-lock washers, inch sizes
Arandelas helicoidales de seguridad, serie regular
Dibujos dimensionales y diagramas técnicos
Dimensiones clave y parámetros técnicos
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Dimensions in inches: source ASME B18.21.1 -2009-Table 1 Regular series
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| Nominal washer size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
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No.2 (0.086)
|
0.094 | 0.088 | 0.172 | 0.020 | 0.035 | ||
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No.3 (0.099)
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0.107 | 0.101 | 0.195 | 0.025 | 0.040 | ||
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No.4 (0.112)
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0.120 | 0.114 | 0.209 | 0.025 | 0.040 | ||
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No.5 (0.125)
|
0.133 | 0.127 | 0.236 | 0.031 | 0.047 | ||
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No.6 (0.138)
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0.148 | 0.141 | 0.250 | 0.031 | 0.047 | ||
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No.8 (0.164)
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0.174 | 0.167 | 0.293 | 0.040 | 0.055 | ||
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No.10 (0.190)
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0.2 | 0.193 | 0.334 | 0.047 | 0.062 | ||
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No.12 (0.216)
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0.227 | 0.220 | 0.377 | 0.056 | 0.070 | ||
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1/4- (0.250)
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0.26 | 0.252 | 0.487 | 0.062 | 0.109 | ||
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5/16- (0.3125)
|
0.322 | 0.314 | 0.583 | 0.078 | 0.125 | ||
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3/8- (0.375)
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0.385 | 0.377 | 0.680 | 0.094 | 0.141 | ||
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7/16-(0.4375)
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0.45 | 0.44 | 0.776 | 0.109 | 0.156 | ||
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1/2- (0.5)
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0.641 | 0.628 | 1.073 | 0.156 | 0.203 | ||
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9/16- (0.5625)
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0.574 | 0.564 | 0.965 | 0.141 | 0.188 | ||
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5/8- (0.625)
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0.641 | 0.628 | 1.073 | 0.156 | 0.203 | ||
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11/16- (0.6875)
|
0.704 | 0.691 | 1.170 | 0.172 | 0.219 | ||
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3/4- (0.75)
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0.766 | 0.753 | 1.265 | 0.188 | 0.234 | ||
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13/16-(0.8125)
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0.832 | 0.816 | 1.363 | 0.203 | 0.250 | ||
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7/8- (0.875)
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0.894 | 0.878 | 1.459 | 0.219 | 0.266 | ||
| 15/16 (0.9375) | 0.958 | 0.941 | 1.556 | 0.234 | 0.281 | ||
|
1- (1)
|
1.024
|
1.003 |
1.656
|
0.25
|
0.297
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| 1-1/16 (1.0625) | 1.087 | 1.066 | 1.751 | 0.266 | 0.312 | ||
| 1-1/8 (1.125) | 1.153 | 1.129 | 1.847 | 0.281 | 0.328 | ||
| 1-3/16 (1.875) | 1.217 | 1.192 | 1.943 | 0.297 | 0.344 | ||
| 1- 1/4 (1.25) | 1.280 | 1.254 | 2.036 | 0.312 | 0.359 | ||
| 1 - 5/16 (1.3125) | 1.344 | 1.317 | 2.133 | 0.328 | 0.375 | ||
| 1 - 3/8 (1.375) | 1.408 | 1.379 | 2.219 | 0.344 | 0.391 | ||
| 1 - 7/16 (1.4375) | 1.472 | 1.442 | 2.234 | 0.359 | 0.406 | ||
| 1 - 1/2 (1.5) | 1.534 | 1.504 | 2.419 | 0.375 | 0.422 | ||
| 1 - 5/8 (1.625) | 1.663 | 1.663 | 2.553 | 0.389 | 0.424 | ||
| 1 - 3/4 (1.75) | 1.798 | 1.758 | 2.679 | 0.389 | 0.424 | ||
| 1 - 7/8 (1.875) | 1.914 | 1.833 | 2.811 | 0.422 | 0.427 | ||
| 2 (2) | 20.39 | 2.008 | 2.936 | 0.422 | 0.427 | ||
| 2 - 1/4 (2.5) | 2.293 | 2.262 | 3.221 | 0.440 | 0.442 | ||
| 2 - 1/2 (2.5) | 2.543 | 2.512 | 3.471 | 0.440 | 0.442 | ||
| 2 - 3/4 (2.75) | 2.793 | 2.762 | 3.824 | 0.458 | 0.491 | ||
| 3 (3) | 3.043 | 3.012 | 4.074 | 0.458 | 0.491 | ||