- All dimensions are in millimeters unless otherwise specified.
- The inner diameter (ID) of the washer should be adjusted according to the pipe wall thickness and bolt diameter, to be clearly specified in the order.
- Products can be customized according to customer requirements to suit different application scenarios.
Nominal Diameter (d) | - | - | - | 6# | 8# | 10# | 3/16 | 12# | 1/4 | 1/4 | 5/16 | 5/16 | 3/8 | 3/8 | 7/16 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
d | Nominal | - | - | - | 0.1380 | 0.1640 | 0.1900 | 0.1875 | 0.2160 | 0.2500 | 0.2500 | 0.3125 | 0.3125 | 0.3750 | 0.3750 | 0.4375 |
Type | - | - | - | - | - | - | - | - | N | W | N | W | N | W | N | |
d | Nominal | 0.078 | 0.094 | 0.125 | 0.156 | 0.188 | 0.219 | 0.250 | 0.250 | 0.281 | 0.312 | 0.344 | 0.375 | 0.406 | 0.438 | 0.469 |
Maximum | 0.078 | 0.094 | 0.133 | 0.164 | 0.196 | 0.227 | 0.265 | 0.265 | 0.296 | 0.327 | 0.359 | 0.390 | 0.421 | 0.453 | 0.484 | |
Minimum | 0.073 | 0.089 | 0.120 | 0.151 | 0.183 | 0.214 | 0.245 | 0.245 | 0.276 | 0.307 | 0.339 | 0.370 | 0.401 | 0.433 | 0.464 | |
dc | Nominal | 0.188 | 0.250 | 0.312 | 0.375 | 0.438 | 0.500 | 0.562 | 0.562 | 0.625 | 0.734° | 0.688 | 0.875 | 0.812 | 1.000 | 0.922 |
Maximum | 0.188 | 0.250 | 0.320 | 0.390 | 0.453 | 0.515 | 0.577 | 0.577 | 0.640 | 0.749 | 0.703 | 0.905 | 0.827 | 1.030 | 0.937 | |
Minimum | 0.183 | 0.245 | 0.307 | 0.370 | 0.433 | 0.495 | 0.557 | 0.557 | 0.620 | 0.727 | 0.681 | 0.868 | 0.805 | 0.993 | 0.915 | |
h | Nominal | 0.020 | 0.020 | 0.032 | 0.049 | 0.049 | 0.049 | 0.049 | 0.065 | 0.065 | 0.065 | 0.065 | 0.083 | 0.065 | 0.083 | 0.065 |
Maximum | 0.025 | 0.025 | 0.040 | 0.065 | 0.065 | 0.065 | 0.065 | 0.080 | 0.080 | 0.080 | 0.080 | 0.104 | 0.080 | 0.104 | 0.080 | |
Minimum | 0.016 | 0.016 | 0.025 | 0.036 | 0.036 | 0.036 | 0.036 | 0.051 | 0.051 | 0.051 | 0.051 | 0.064 | 0.051 | 0.064 | 0.051 |
Nominal Diameter(d) | 7/16 | 1/2 | 1/2 | 9/16 | 9/16 | 5/8 | 5/8 | 3/4 | 3/4 | 7/8 | 7/8 | 1 | 1 | 1-1/8 | 1-1/8 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
d | Nominal | 0.4375 | 0.5000 | 0.5000 | 0.5625 | 0.5625 | 0.6250 | 0.6250 | 0.7500 | 0.7500 | 0.8750 | 0.8750 | 1.0000 | 1.0000 | 1.1250 | 1.1250 |
Type | W | N | W | N | W | N | W | N | W | N | W | N | W | N | W | |
d1 | Nominal | 0.500 | 0.531 | 0.562 | 0.594 | 0.625 | 0.656 | 0.688 | 0.812 | 0.812 | 0.938 | 0.938 | 1.062 | 1.062 | 1.250 | 1.250 |
maximum | 0.515 | 0.546 | 0.577 | 0.609 | 0.640 | 0.686 | 0.718 | 0.842 | 0.842 | 0.968 | 0.968 | 1.092 | 1.092 | 1.280 | 1.280 | |
minimum | 0.495 | 0.526 | 0.557 | 0.589 | 0.620 | 0.649 | 0.681 | 0.805 | 0.805 | 0.931 | 0.931 | 1.055 | 1.055 | 1.243 | 1.243 | |
dc | Nominal | 1.250 | 1.062 | 1.375 | 1.156° | 1.469° | 1.312 | 1.750 | 1.469* | 2.000 | 1.750 | 2.250 | 2.000 | 2.500 | 2.250 | 2.750 |
maximum | 1.280 | 1.092 | 1.405 | 1.186 | 1.499 | 1.342 | 1.780 | 1.499 | 2.030 | 1.780 | 2.280 | 2.030 | 2.530 | 2.280 | 2.780 | |
minimum | 1.243 | 1.055 | 1.368 | 1.149 | 1.462 | 1.305 | 1.743 | 1.462 | 1.993 | 1.743 | 2.243 | 1.993 | 2.493 | 2.243 | 2.743 | |
h | Nominal | 0.083 | 0.095 | 0.109 | 0.095 | 0.109 | 0.095 | 0.134 | 0.134 | 0.148 | 0.134 | 0.165 | 0.134 | 0.165 | 0.134 | 0.165 |
maximum | 0.104 | 0.121 | 0.132 | 0.121 | 0.132 | 0.121 | 0.160 | 0.160 | 0.177 | 0.160 | 0.192 | 0.160 | 0.192 | 0.160 | 0.192 | |
minimum | 0.064 | 0.074 | 0.086 | 0.074 | 0.086 | 0.074 | 0.108 | 0.108 | 0.122 | 0.108 | 0.136 | 0.108 | 0.136 | 0.108 | 0.136 |
Nominal Diameter(d) | 1-1/4 | 1-1/4 | 1-3/8 | 1-3/8 | 1-1/2 | 1-1/2 | 1-5/8 | 1-3/4 | 1-7/8 | 2 | 2-1/4 | 2-1/2 | 2-3/4 | 3 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
d | Nominal | 1.2500 | 1.2500 | 1.3750 | 1.3750 | 1.5000 | 1.5000 | 1.6250 | 1.7500 | 1.8750 | 2.0000 | 2.2500 | 2.5000 | 2.7500 | 3.0000 |
Type | N | W | N | W | N | W | - | - | - | - | - | - | - | - | |
d1 | Nominal | 1.375 | 1.375 | 1.500 | 1.500 | 1.625 | 1.625 | 1.750 | 1.875 | 2.000 | 2.125 | 2.375 | 2.625 | 2.875 | 3.125 |
maximum | 1.405 | 1.405 | 1.530 | 1.545 | 1.655 | 1.670 | 1.795 | 1.920 | 2.045 | 2.170 | 2.420 | 2.670 | 2.940 | 3.190 | |
minimum | 1.368 | 1.368 | 1.493 | 1.490 | 1.618 | 1.615 | 1.740 | 1.865 | 1.990 | 2.115 | 2.365 | 2.615 | 2,865 | 3.115 | |
dc | Nominal | 2.500 | 3.000 | 2.750 | 3.250 | 3.000 | 3.500 | 3.750 | 4.000 | 4.250 | 4.500 | 4.750 | 5.000 | 5.250 | 5.500 |
maximum | 2.530 | 3.030 | 2.780 | 3.295 | 3.030 | 3.545 | 3.795 | 4.045 | 4.295 | 4.545 | 4.795 | 5.045 | 5.315 | 5.565 | |
minimum | 2.493 | 2.993 | 2.743 | 3.240 | 2.993 | 3.490 | 3.740 | 3.990 | 4.240 | 4.490 | 4.740 | 4.990 | 5.240 | 5.490 | |
h | Nominal | 0.165 | 0.165 | 0.165 | 0.180 | 0.165 | 0.180 | 0.180 | 0.180 | 0.180 | 0.180 | 0.220 | 0.238 | 0.259 | 0.284 |
maximum | 0.192 | 0.192 | 0.192 | 0.213 | 0.192 | 0.213 | 0.213 | 0.213 | 0.213 | 0.213 | 0.248 | 0.280 | 0.310 | 0.327 | |
minimum | 0.136 | 0.136 | 0.136 | 0.153 | 0.136 | 0.153 | 0.153 | 0.153 | 0.153 | 0.153 | 0.193 | 0.210 | 0.228 | 0.249 |