
Fournisseurs de Rondelles
Ce produit est réglementé par les normes suivantes :
ASME B18.21.1 TABLE 1 ASME B18.21.1 TABLE 2 ASME B18.21.1 TABLE 3 ASME B18.21.1 TABLE 4
Données techniques
Rondelles


Ce produit est réglementé par les normes suivantes :
Standard ASME B18.21.1 TABLE 1
Rondelles à ressort hélicoïdales, série régulière
Dimensions in inches: source ASME B18.21.1 -2009-Table 1 Regular series
|
|||||||
Nominal washer size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
||
No.2 (0.086)
|
0.094 | 0.088 | 0.172 | 0.020 | 0.035 | ||
No.3 (0.099)
|
0.107 | 0.101 | 0.195 | 0.025 | 0.040 | ||
No.4 (0.112)
|
0.120 | 0.114 | 0.209 | 0.025 | 0.040 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.236 | 0.031 | 0.047 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.250 | 0.031 | 0.047 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.293 | 0.040 | 0.055 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.334 | 0.047 | 0.062 | ||
No.12 (0.216)
|
0.227 | 0.220 | 0.377 | 0.056 | 0.070 | ||
1/4- (0.250)
|
0.26 | 0.252 | 0.487 | 0.062 | 0.109 | ||
5/16- (0.3125)
|
0.322 | 0.314 | 0.583 | 0.078 | 0.125 | ||
3/8- (0.375)
|
0.385 | 0.377 | 0.680 | 0.094 | 0.141 | ||
7/16-(0.4375)
|
0.45 | 0.44 | 0.776 | 0.109 | 0.156 | ||
1/2- (0.5)
|
0.641 | 0.628 | 1.073 | 0.156 | 0.203 | ||
9/16- (0.5625)
|
0.574 | 0.564 | 0.965 | 0.141 | 0.188 | ||
5/8- (0.625)
|
0.641 | 0.628 | 1.073 | 0.156 | 0.203 | ||
11/16- (0.6875)
|
0.704 | 0.691 | 1.170 | 0.172 | 0.219 | ||
3/4- (0.75)
|
0.766 | 0.753 | 1.265 | 0.188 | 0.234 | ||
13/16-(0.8125)
|
0.832 | 0.816 | 1.363 | 0.203 | 0.250 | ||
7/8- (0.875)
|
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
|
||
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 |
Standard ASME B18.21.1 TABLE 2
Rondelles à ressort hélicoïdales, série lourde
Dimensions in inches: source ASME B18.21.1 -2009-Table 2 Heavy series
|
|||||||
Nominal Washer Size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
||
No.2 (0.086)
|
0.094 | 0.088 | 0.182 | 0.025 | 0.040 | ||
No.3 (0.099)
|
0.107 | 0.101 | 0.209 | 0.031 | 0.047 | ||
No.4 (0.112)
|
0.120 | 0.114 | 0.223 | 0.031 | 0.047 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.252 | 0.040 | 0.055 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.266 | 0.040 | 0.055 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.307 | 0.047 | 0.062 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.350 | 0.056 | 0.070 | ||
No.12 (0.216)
|
0.227 | 0.220 | 0.391 | 0.063 | 0.077 | ||
1/4 - (0.250)
|
0.26 | 0.252 | 0.489 | 0.077 | 0.110 | ||
5/16 - (0.3125)
|
0.322 | 0.314 | 0.593 | 0.097 | 0.130 | ||
3/8 - (0.375)
|
0.385 | 0.377 | 0.688 | 0.115 | 0.145 | ||
7/16 -(0.4375)
|
0.45 | 0.44 | 0.784 | 0.133 | 0.160 | ||
1/2 - (0.5)
|
0.512 | 0.502 | 0.879 | 0.151 | 0.176 | ||
9/16 - (0.5625)
|
0.574 | 0.564 | 0.975 | 0.170 | 0.193 | ||
5/8 - (0.625)
|
0.641 | 0.628 | 1.087 | 0.189 | 0.210 | ||
11/16 - (0.6875)
|
0.704 | 0.691 | 1.186 | 0.207 | 0.227 | ||
3/4 - (0.75)
|
0.766 | 0.753 | 1.285 | 0.226 | 0.244 | ||
13/16 -(0.8125)
|
0.832 | 0.816 | 1.387 | 0.246 | 0.262 | ||
7/8 - (0.875)
|
0.894 | 0.878 | 1.489 | 0.266 | 0.281 | ||
15/16 - (0.9375) | 0.958 | 0.941 | 1.59 | 0.284 | 0.298 | ||
1 - (1)
|
1.024
|
1.003 |
1.7
|
0.306
|
0.319
|
||
1-1/16 (1.0625) | 1.087 | 1.066 | 1.803 | 0.326 | 0.338 | ||
1-1/8 (1.125) | 1.153 | 1.129 | 1.903 | 0.345 | 0.356 | ||
1-3/16 (1.875) | 1.217 | 1.192 | 2.001 | 0.364 | 0.373 | ||
1- 1/4 (1.25) | 1.280 | 1.254 | 2.104 | 0.384 | 0.393 | ||
1 - 5/16 (1.3125) | 1.344 | 1.317 | 2.203 | 0.403 | 0.410 | ||
1 - 3/8 (1.375) | 1.408 | 1.379 | 2.301 | 0.422 | 0.427 | ||
1 - 7/16 (1.4375) | 1.472 | 1.442 | 2.396 | 0.440 | 0.442 | ||
1 - 1/2 (1.5) | 1.534 | 1.504 | 2.491 | 0.458 | 0.458 | ||
1 - 5/8 (1.625) | 1.663 | 1.663 | 2.694 | 0.458 | 0.491 | ||
1 - 3/4 (1.75) | 1.798 | 1.758 | 2.820 | 0.458 | 0.491 | ||
1 - 7/8 (1.875) | 1.914 | 1.833 | 2.945 | 0.458 | 0.491 | ||
2 (2) | 2.039 | 2.008 | 3.144 | 0.496 | 0.526 | ||
2 - 1/4 (2.5) | 2.293 | 2.262 | 3.398 | 0.496 | 0.526 | ||
2 - 1/2 (2.5) | 2.543 | 2.512 | 3.648 | 0.496 | 0.526 | ||
2 - 3/4 (2.75) | 2.793 | 2.762 | 3.910 | 0.526 | 0.532 | ||
3 (3) | 3.043 | 3.012 | 4.160 | 0.526 | 0.532 |
Standard ASME B18.21.1 TABLE 3
Rondelles à ressort hélicoïdales série extra-robuste
Dimensions in inches: source ASME B18.21.1 -2009-Table 3 Extra-duty series
|
|||||||
Nominal washer size |
A max
|
A min |
B max
|
T
mean section thickness
(t1+t)/2
|
W min
|
||
No.2 (0.086)
|
0.094 | 0.088 | 0.208 | 0.027 | 0.053 | ||
No.3 (0.099)
|
0.107 | 0.101 | 0.239 | 0.034 | 0.062 | ||
No.4 (0.112)
|
0.120 | 0.114 | 0.253 | 0.034 | 0.062 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.300 | 0.045 | 0.079 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.314 | 0.045 | 0.079 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.375 | 0.057 | 0.096 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.434 | 0.068 | 0.112 | ||
No.12 (0.216)
|
0.227 | 0.220 | 0.497 | 0.080 | 0.130 | ||
1/4 - (0.250)
|
0.26 | 0.252 | 0.533 | 0.084 | 0.132 | ||
5/16 - (0.3125)
|
0.322 | 0.314 | 0.619 | 0.108 | 0.143 | ||
3/8 - (0.375)
|
0.385 | 0.377 | 0.738 | 0.123 | 0.170 | ||
7/16 -(0.4375)
|
0.45 | 0.44 | 0.836 | 0.143 | 0.186 | ||
1/2 - (0.5)
|
0.512 | 0.502 | 0.935 | 0.162 | 0.204 | ||
9/16 - (0.5625)
|
0.574 | 0.564 | 1.035 | 0.182 | 0.223 | ||
5/8 - (0.625)
|
0.641 | 0.628 | 1.151 | 0.202 | 0.242 | ||
11/16 - (0.6875)
|
0.704 | 0.691 | 1.252 | 0.221 | 0.260 | ||
3/4 - (0.75)
|
0.766 | 0.753 | 1.355 | 0.241 | 0.279 | ||
13/16 -(0.8125)
|
0.832 | 0.816 | 1.458 | 0.261 | 0.298 | ||
7/8 - (0.875)
|
0.894 | 0.878 | 1.751 | 0.285 | 0.322 | ||
15/16 (0.9375) | 0.958 | 0.941 | 1.684 | 0.308 | 0.345 | ||
1 - (1)
|
1.024
|
1.003 |
1.794
|
0.330
|
0.366
|
||
1-1/16 (1.0625) | 1.087 | 1.066 | 1.905 | 0.352 | 0.389 | ||
1-1/8 (1.125) | 1.153 | 1.129 | 2.013 | 0.375 | 0.411 | ||
1-3/16 (1.875) | 1.217 | 1.192 | 2.107 | 0.396 | 0.431 | ||
1- 1/4 (1.25) | 1.280 | 1.254 | 2.222 | 0.417 | 0.452 | ||
1 - 5/16 (1.3125) | 1.344 | 1.317 | 2.327 | 0.438 | 0.472 | ||
1 - 3/8 (1.375) | 1.408 | 1.379 | 2.429 | 0.458 |
0.491 |
||
1 - 7/16 (1.4375) | 1.472 | 1.442 | 2.530 | 0.478 | 0.509 | ||
1 - 1/2 (1.5) | 1.534 | 1.504 | 2.627 | 0.496 | 0.526 | ||
1 - 5/8 (1.625) | 1.663 | 1.663 | 2.784 | 0.496 | 0.526 | ||
1 - 3/4 (1.75) | 1.798 | 1.758 | 2.902 | 0.526 | 0.532 | ||
1 - 7/8 (1.875) | 1.914 | 1.883 | 3.027 | 0.526 | 0.532 | ||
2 (2) | 2.039 | 2.008 | 3.156 | 0.526 | 0.532 |
Standard ASME B18.21.1 TABLE 4
Rondelles à ressort hélicoïdales, col haut
Dimensions in inches: source ASME B18.21.1 -2009- Table 4 High Collar
|
|||||||
Nominal washer size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
||
No.4 (0.112)
|
0.120 | 0.114 | 0.173 | 0.022 | 0.022 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.202 | 0.030 | 0.030 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.216 | 0.030 | 0.030 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.267 | 0.047 | 0.042 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.294 | 0.047 | 0.042 | ||
1/4 - (0.250)
|
0.26 | 0.252 | 0.363 | 0.078 | 0.047 | ||
5/16 - (0.3125)
|
0.322 | 0.314 | 0.457 | 0.093 | 0.062 | ||
3/8 - (0.375)
|
0.385 | 0.377 | 0.55 | 0.125 | 0.076 | ||
7/16 -(0.4375)
|
0.45 | 0.44 | 0.644 | 0.140 | 0.090 | ||
1/2 - (0.5)
|
0.512 | 0.502 | 0.733 | 0.172 | 0.103 | ||
5/8 - (0.625)
|
0.641 | 0.628 | 0.917 | 0.203 | 0.125 | ||
3/4 - (0.75)
|
0.766 | 0.753 | 1.105 | 0.218 | 0.154 | ||
7/8 - (0.875)
|
0.894 | 0.878 | 1.291 | 0.234 | 0.182 | ||
1 - (1)
|
1.024
|
1.003 |
1.478
|
0.25
|
0.208
|
||
1-1/8 (1.125) | 1.153 | 1.129 | 1.663 | 0.313 | 0.236 | ||
1- 1/4 (1.25) | 1.280 | 1.254 | 1.790 | 0.313 | 0.236 | ||
1 - 3/8 (1.375) | 1.408 | 1.379 | 2.031 | 0.375 | 0.292 | ||
1 - 1/2 (1.5) | 1.534 | 1.504 |
2.159 |
0.375 | 0.292 | ||
1 - 3/4 (1.75) | 1.798 | 1.758 | 2.596 | 0.469 | 0.383 | ||
2 - (2) | 2.039 | 2.008 | 2.846 | 0.469 | 0.383 | ||
2 - 1/4 (2.5) | 2.293 | 2.262 | 3.345 | 0.508 | 0.508 | ||
2 - 1/2 (2.5) | 2.543 | 2.512 | 3.595 | 0.508 | 0.508 | ||
2 - 3/4 (2.75) | 2.793 | 2.762 | 4.095 | 0.633 | 0.633 | ||
3 - (3) | 3.043 | 3.012 | 4.035 | 0.633 | 0.633 |
Détails
Rondelles


Dimensions in inches: source ASME B18.21.1 -2009-Table 1 Regular series
|
|||||||
Nominal washer size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
||
No.2 (0.086)
|
0.094 | 0.088 | 0.172 | 0.020 | 0.035 | ||
No.3 (0.099)
|
0.107 | 0.101 | 0.195 | 0.025 | 0.040 | ||
No.4 (0.112)
|
0.120 | 0.114 | 0.209 | 0.025 | 0.040 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.236 | 0.031 | 0.047 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.250 | 0.031 | 0.047 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.293 | 0.040 | 0.055 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.334 | 0.047 | 0.062 | ||
No.12 (0.216)
|
0.227 | 0.220 | 0.377 | 0.056 | 0.070 | ||
1/4- (0.250)
|
0.26 | 0.252 | 0.487 | 0.062 | 0.109 | ||
5/16- (0.3125)
|
0.322 | 0.314 | 0.583 | 0.078 | 0.125 | ||
3/8- (0.375)
|
0.385 | 0.377 | 0.680 | 0.094 | 0.141 | ||
7/16-(0.4375)
|
0.45 | 0.44 | 0.776 | 0.109 | 0.156 | ||
1/2- (0.5)
|
0.641 | 0.628 | 1.073 | 0.156 | 0.203 | ||
9/16- (0.5625)
|
0.574 | 0.564 | 0.965 | 0.141 | 0.188 | ||
5/8- (0.625)
|
0.641 | 0.628 | 1.073 | 0.156 | 0.203 | ||
11/16- (0.6875)
|
0.704 | 0.691 | 1.170 | 0.172 | 0.219 | ||
3/4- (0.75)
|
0.766 | 0.753 | 1.265 | 0.188 | 0.234 | ||
13/16-(0.8125)
|
0.832 | 0.816 | 1.363 | 0.203 | 0.250 | ||
7/8- (0.875)
|
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
|
||
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 |
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|||||||
Dimensions in inches: source ASME B18.21.1 -2009-Table 2 Heavy series
|
|||||||
Nominal Washer Size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
||
No.2 (0.086)
|
0.094 | 0.088 | 0.182 | 0.025 | 0.040 | ||
No.3 (0.099)
|
0.107 | 0.101 | 0.209 | 0.031 | 0.047 | ||
No.4 (0.112)
|
0.120 | 0.114 | 0.223 | 0.031 | 0.047 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.252 | 0.040 | 0.055 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.266 | 0.040 | 0.055 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.307 | 0.047 | 0.062 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.350 | 0.056 | 0.070 | ||
No.12 (0.216)
|
0.227 | 0.220 | 0.391 | 0.063 | 0.077 | ||
1/4 - (0.250)
|
0.26 | 0.252 | 0.489 | 0.077 | 0.110 | ||
5/16 - (0.3125)
|
0.322 | 0.314 | 0.593 | 0.097 | 0.130 | ||
3/8 - (0.375)
|
0.385 | 0.377 | 0.688 | 0.115 | 0.145 | ||
7/16 -(0.4375)
|
0.45 | 0.44 | 0.784 | 0.133 | 0.160 | ||
1/2 - (0.5)
|
0.512 | 0.502 | 0.879 | 0.151 | 0.176 | ||
9/16 - (0.5625)
|
0.574 | 0.564 | 0.975 | 0.170 | 0.193 | ||
5/8 - (0.625)
|
0.641 | 0.628 | 1.087 | 0.189 | 0.210 | ||
11/16 - (0.6875)
|
0.704 | 0.691 | 1.186 | 0.207 | 0.227 | ||
3/4 - (0.75)
|
0.766 | 0.753 | 1.285 | 0.226 | 0.244 | ||
13/16 -(0.8125)
|
0.832 | 0.816 | 1.387 | 0.246 | 0.262 | ||
7/8 - (0.875)
|
0.894 | 0.878 | 1.489 | 0.266 | 0.281 | ||
15/16 - (0.9375) | 0.958 | 0.941 | 1.59 | 0.284 | 0.298 | ||
1 - (1)
|
1.024
|
1.003 |
1.7
|
0.306
|
0.319
|
||
1-1/16 (1.0625) | 1.087 | 1.066 | 1.803 | 0.326 | 0.338 | ||
1-1/8 (1.125) | 1.153 | 1.129 | 1.903 | 0.345 | 0.356 | ||
1-3/16 (1.875) | 1.217 | 1.192 | 2.001 | 0.364 | 0.373 | ||
1- 1/4 (1.25) | 1.280 | 1.254 | 2.104 | 0.384 | 0.393 | ||
1 - 5/16 (1.3125) | 1.344 | 1.317 | 2.203 | 0.403 | 0.410 | ||
1 - 3/8 (1.375) | 1.408 | 1.379 | 2.301 | 0.422 | 0.427 | ||
1 - 7/16 (1.4375) | 1.472 | 1.442 | 2.396 | 0.440 | 0.442 | ||
1 - 1/2 (1.5) | 1.534 | 1.504 | 2.491 | 0.458 | 0.458 | ||
1 - 5/8 (1.625) | 1.663 | 1.663 | 2.694 | 0.458 | 0.491 | ||
1 - 3/4 (1.75) | 1.798 | 1.758 | 2.820 | 0.458 | 0.491 | ||
1 - 7/8 (1.875) | 1.914 | 1.833 | 2.945 | 0.458 | 0.491 | ||
2 (2) | 2.039 | 2.008 | 3.144 | 0.496 | 0.526 | ||
2 - 1/4 (2.5) | 2.293 | 2.262 | 3.398 | 0.496 | 0.526 | ||
2 - 1/2 (2.5) | 2.543 | 2.512 | 3.648 | 0.496 | 0.526 | ||
2 - 3/4 (2.75) | 2.793 | 2.762 | 3.910 | 0.526 | 0.532 | ||
3 (3) | 3.043 | 3.012 | 4.160 | 0.526 | 0.532 |
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Dimensions in inches: source ASME B18.21.1 -2009-Table 3 Extra-duty series
|
|||||||
Nominal washer size |
A max
|
A min |
B max
|
T
mean section thickness
(t1+t)/2
|
W min
|
||
No.2 (0.086)
|
0.094 | 0.088 | 0.208 | 0.027 | 0.053 | ||
No.3 (0.099)
|
0.107 | 0.101 | 0.239 | 0.034 | 0.062 | ||
No.4 (0.112)
|
0.120 | 0.114 | 0.253 | 0.034 | 0.062 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.300 | 0.045 | 0.079 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.314 | 0.045 | 0.079 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.375 | 0.057 | 0.096 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.434 | 0.068 | 0.112 | ||
No.12 (0.216)
|
0.227 | 0.220 | 0.497 | 0.080 | 0.130 | ||
1/4 - (0.250)
|
0.26 | 0.252 | 0.533 | 0.084 | 0.132 | ||
5/16 - (0.3125)
|
0.322 | 0.314 | 0.619 | 0.108 | 0.143 | ||
3/8 - (0.375)
|
0.385 | 0.377 | 0.738 | 0.123 | 0.170 | ||
7/16 -(0.4375)
|
0.45 | 0.44 | 0.836 | 0.143 | 0.186 | ||
1/2 - (0.5)
|
0.512 | 0.502 | 0.935 | 0.162 | 0.204 | ||
9/16 - (0.5625)
|
0.574 | 0.564 | 1.035 | 0.182 | 0.223 | ||
5/8 - (0.625)
|
0.641 | 0.628 | 1.151 | 0.202 | 0.242 | ||
11/16 - (0.6875)
|
0.704 | 0.691 | 1.252 | 0.221 | 0.260 | ||
3/4 - (0.75)
|
0.766 | 0.753 | 1.355 | 0.241 | 0.279 | ||
13/16 -(0.8125)
|
0.832 | 0.816 | 1.458 | 0.261 | 0.298 | ||
7/8 - (0.875)
|
0.894 | 0.878 | 1.751 | 0.285 | 0.322 | ||
15/16 (0.9375) | 0.958 | 0.941 | 1.684 | 0.308 | 0.345 | ||
1 - (1)
|
1.024
|
1.003 |
1.794
|
0.330
|
0.366
|
||
1-1/16 (1.0625) | 1.087 | 1.066 | 1.905 | 0.352 | 0.389 | ||
1-1/8 (1.125) | 1.153 | 1.129 | 2.013 | 0.375 | 0.411 | ||
1-3/16 (1.875) | 1.217 | 1.192 | 2.107 | 0.396 | 0.431 | ||
1- 1/4 (1.25) | 1.280 | 1.254 | 2.222 | 0.417 | 0.452 | ||
1 - 5/16 (1.3125) | 1.344 | 1.317 | 2.327 | 0.438 | 0.472 | ||
1 - 3/8 (1.375) | 1.408 | 1.379 | 2.429 | 0.458 |
0.491 |
||
1 - 7/16 (1.4375) | 1.472 | 1.442 | 2.530 | 0.478 | 0.509 | ||
1 - 1/2 (1.5) | 1.534 | 1.504 | 2.627 | 0.496 | 0.526 | ||
1 - 5/8 (1.625) | 1.663 | 1.663 | 2.784 | 0.496 | 0.526 | ||
1 - 3/4 (1.75) | 1.798 | 1.758 | 2.902 | 0.526 | 0.532 | ||
1 - 7/8 (1.875) | 1.914 | 1.883 | 3.027 | 0.526 | 0.532 | ||
2 (2) | 2.039 | 2.008 | 3.156 | 0.526 | 0.532 |
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Dimensions in inches: source ASME B18.21.1 -2009- Table 4 High Collar
|
|||||||
Nominal washer size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
||
No.4 (0.112)
|
0.120 | 0.114 | 0.173 | 0.022 | 0.022 | ||
No.5 (0.125)
|
0.133 | 0.127 | 0.202 | 0.030 | 0.030 | ||
No.6 (0.138)
|
0.148 | 0.141 | 0.216 | 0.030 | 0.030 | ||
No.8 (0.164)
|
0.174 | 0.167 | 0.267 | 0.047 | 0.042 | ||
No.10 (0.190)
|
0.2 | 0.193 | 0.294 | 0.047 | 0.042 | ||
1/4 - (0.250)
|
0.26 | 0.252 | 0.363 | 0.078 | 0.047 | ||
5/16 - (0.3125)
|
0.322 | 0.314 | 0.457 | 0.093 | 0.062 | ||
3/8 - (0.375)
|
0.385 | 0.377 | 0.55 | 0.125 | 0.076 | ||
7/16 -(0.4375)
|
0.45 | 0.44 | 0.644 | 0.140 | 0.090 | ||
1/2 - (0.5)
|
0.512 | 0.502 | 0.733 | 0.172 | 0.103 | ||
5/8 - (0.625)
|
0.641 | 0.628 | 0.917 | 0.203 | 0.125 | ||
3/4 - (0.75)
|
0.766 | 0.753 | 1.105 | 0.218 | 0.154 | ||
7/8 - (0.875)
|
0.894 | 0.878 | 1.291 | 0.234 | 0.182 | ||
1 - (1)
|
1.024
|
1.003 |
1.478
|
0.25
|
0.208
|
||
1-1/8 (1.125) | 1.153 | 1.129 | 1.663 | 0.313 | 0.236 | ||
1- 1/4 (1.25) | 1.280 | 1.254 | 1.790 | 0.313 | 0.236 | ||
1 - 3/8 (1.375) | 1.408 | 1.379 | 2.031 | 0.375 | 0.292 | ||
1 - 1/2 (1.5) | 1.534 | 1.504 |
2.159 |
0.375 | 0.292 | ||
1 - 3/4 (1.75) | 1.798 | 1.758 | 2.596 | 0.469 | 0.383 | ||
2 - (2) | 2.039 | 2.008 | 2.846 | 0.469 | 0.383 | ||
2 - 1/4 (2.5) | 2.293 | 2.262 | 3.345 | 0.508 | 0.508 | ||
2 - 1/2 (2.5) | 2.543 | 2.512 | 3.595 | 0.508 | 0.508 | ||
2 - 3/4 (2.75) | 2.793 | 2.762 | 4.095 | 0.633 | 0.633 | ||
3 - (3) | 3.043 | 3.012 | 4.035 | 0.633 | 0.633 |
Liste complète des fournisseurs de Rondelles

Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.
The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.
Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.
Distributor of inch sized fasteners, oil and gas fasteners and turned special screws
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Biggest factory in China producing stainless steel washers.
Fat washers, spring washers, tooth lock washers and stamping parts.
Materials: 316L ,316S33,1.4462.
We offer logistics and inventory management and integrated supply chain management services covering a wide market of OEM fasteners (KanBan), MRO and Personal Protective Equipment (Vending Machine).
Manufacturer specialized in washers. Production of 200,000 washers/day.
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