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Material: | Alloy Steel |
Size: | M24-M64 |
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DIN125 | ||||||
SIZE | INNER DIA | OUTER DIA | THICKNESS | |||
MIN | MAX | MIN | MAX | MIN | MAX | |
M3 | 3.2 | 3.38 | 7 | 6.64 | 0.45 | 0.55 |
M4 | 4.3 | 4.48 | 9 | 8.64 | 0.7 | 0.9 |
M5 | 5.3 | 5.48 | 10 | 9.64 | 0.9 | 1.1 |
M6 | 6.4 | 6.62 | 12 | 11.57 | 1.4 | 1.8 |
M7 | 7.4 | 7.62 | 14 | 13.57 | 1.4 | 1.8 |
M8 | 8.4 | 8.62 | 16 | 15.57 | 1.4 | 1.8 |
M10 | 10.5 | 10.77 | 20 | 19.48 | 1.8 | 2.2 |
M12 | 13 | 13.27 | 24 | 23.48 | 2.3 | 2.7 |
M14 | 15 | 15.27 | 28 | 27.48 | 2.3 | 2.7 |
M16 | 17 | 17.27 | 30 | 29.48 | 2.7 | 3.3 |
M18 | 19 | 19.33 | 34 | 33.38 | 2.7 | 3.3 |
M20 | 21 | 21.33 | 37 | 36.38 | 2.7 | 3.3 |
M22 | 23 | 23.33 | 39 | 38.38 | 2.7 | 3.3 |
M24 | 25 | 25.33 | 44 | 43.38 | 3.7 | 4.3 |
M26 | 27 | 27.33 | 50 | 49.38 | 3.7 | 4.3 |
M27 | 28 | 28.33 | 50 | 49.38 | 3.7 | 4.3 |
M28 | 29 | 29.33 | 50 | 49.38 | 3.7 | 4.3 |
M30 | 31 | 31.39 | 56 | 55.26 | 3.7 | 4.3 |
M32 | 33 | 33.62 | 60 | 58.8 | 4.4 | 5.6 |
M33 | 34 | 34.62 | 60 | 58.8 | 4.4 | 5.6 |
M35 | 36 | 36.62 | 66 | 64.8 | 4.4 | 5.6 |
M36 | 37 | 37.62 | 66 | 64.8 | 4.4 | 5.6 |
M38 | 39 | 39.62 | 72 | 70.8 | 5.4 | 6.6 |
M39 | 40 | 40.62 | 72 | 70.8 | 5.4 | 6.6 |
M40 | 41 | 41.62 | 72 | 70.8 | 5.4 | 6.6 |
M42 | 43 | 43.62 | 78 | 76.8 | 6 | 8 |
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 | - | - | - | 0.138 | 0.164 | 0.19 | 0.1875 | 0.216 | 0.25 | 0.25 | 0.3125 | 0.3125 | 0.375 | 0.375 | 0.4375 |
TYPE | - | - | - | - | - | - | - | - | N | W | N | W | N | W | N | |
d1 | Nominal | 0.078 | 0.094 | 0.125 | 0.156 | 0.188 | 0.219 | 0.25 | 0.25 | 0.281 | 0.312 | 0.344 | 0.375 | 0.406 | 0.438 | 0.469 |
Max | 0.078 | 0.094 | 0.133 | 0.164 | 0.196 | 0.227 | 0.265 | 0.265 | 0.296 | 0.327 | 0.359 | 0.39 | 0.421 | 0.453 | 0.484 | |
Min | 0.073 | 0.089 | 0.12 | 0.151 | 0.183 | 0.214 | 0.245 | 0.245 | 0.276 | 0.307 | 0.339 | 0.37 | 0.401 | 0.433 | 0.464 | |
dc | Nominal | 0.188 | 0.25 | 0.312 | 0.375 | 0.438 | 0.5 | 0.562 | 0.562 | 0.625 | 0.734* | 0.688 | 0.875 | 0.812 | 1 | 0.922 |
Max | 0.188 | 0.25 | 0.32 | 0.39 | 0.453 | 0.515 | 0.577 | 0.577 | 0.64 | 0.749 | 0.703 | 0.905 | 0.827 | 1.03 | 0.937 | |
Min | 0.183 | 0.245 | 0.307 | 0.37 | 0.433 | 0.495 | 0.557 | 0.557 | 0.62 | 0.727 | 0.681 | 0.868 | 0.805 | 0.993 | 0.915 | |
h | Nominal | 0.02 | 0.02 | 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 |
Max | 0.025 | 0.025 | 0.04 | 0.065 | 0.065 | 0.065 | 0.065 | 0.08 | 0.08 | 0.08 | 0.08 | 0.104 | 0.08 | 0.104 | 0.08 | |
Min | 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 | 0.5 | 0.5 | 0.5625 | 0.5625 | 0.625 | 0.625 | 0.75 | 0.75 | 0.875 | 0.875 | 1 | 1 | 1.125 | 1.125 |
TYPE | W | N | W | N | W | N | W | N | W | N | W | N | W | N | W | |
d1 | Nominal | 0.5 | 0.531 | 0.562 | 0.594 | 0.625 | 0.656 | 0.688 | 0.812 | 0.812 | 0.938 | 0.938 | 1.062 | 1.062 | 1.25 | 1.25 |
Max | 0.515 | 0.546 | 0.577 | 0.609 | 0.64 | 0.686 | 0.718 | 0.842 | 0.842 | 0.968 | 0.968 | 1.092 | 1.092 | 1.28 | 1.28 | |
Min | 0.495 | 0.526 | 0.557 | 0.589 | 0.62 | 0.649 | 0.681 | 0.805 | 0.805 | 0.931 | 0.931 | 1.055 | 1.055 | 1.243 | 1.243 | |
dc | Nominal | 1.25 | 1.062 | 1.375 | 1.156* | 1.469* | 1.312 | 1.75 | 1.469* | 2 | 1.75 | 2.25 | 2 | 2.5 | 2.25 | 2.75 |
Max | 1.28 | 1.092 | 1.405 | 1.186 | 1.499 | 1.342 | 1.78 | 1.499 | 2.03 | 1.78 | 2.28 | 2.03 | 2.53 | 2.28 | 2.78 | |
Min | 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 |
Max | 0.104 | 0.121 | 0.132 | 0.121 | 0.132 | 0.121 | 0.16 | 0.16 | 0.177 | 0.16 | 0.192 | 0.16 | 0.192 | 0.16 | 0.192 | |
Min | 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 | 1.25 | 1.25 | 1.375 | 1.375 | 1.5 | 1.5 | 1.625 | 1.75 | 1.875 | 2 | 2.25 | 2.5 | 2.75 | 3 |
TYPE | N | W | N | W | N | W | - | - | - | - | - | - | - | - | |
d1 | Nominal | 1.375 | 1.375 | 1.5 | 1.5 | 1.625 | 1.625 | 1.75 | 1.875 | 2 | 2.125 | 2.375 | 2.625 | 2.875 | 3.125 |
Max | 1.405 | 1.405 | 1.53 | 1.545 | 1.655 | 1.67 | 1.795 | 1.92 | 2.045 | 2.17 | 2.42 | 2.67 | 2.94 | 3.19 | |
Min | 1.368 | 1.368 | 1.493 | 1.49 | 1.618 | 1.615 | 1.74 | 1.865 | 1.99 | 2.115 | 2.365 | 2.615 | 2.865 | 3.115 | |
dc | Nominal | 2.5 | 3 | 2.75 | 3.25 | 3 | 3.5 | 3.75 | 4 | 4.25 | 4.5 | 4.75 | 5 | 5.25 | 5.5 |
Max | 2.53 | 3.03 | 2.78 | 3.295 | 3.03 | 3.545 | 3.795 | 4.045 | 4.295 | 4.545 | 4.795 | 5.045 | 5.315 | 5.565 | |
Min | 2.493 | 2.993 | 2.743 | 3.24 | 2.993 | 3.49 | 3.74 | 3.99 | 4.24 | 4.49 | 4.74 | 4.99 | 5.24 | 5.49 | |
h | Nominal | 0.165 | 0.165 | 0.165 | 0.18 | 0.165 | 0.18 | 0.18 | 0.18 | 0.18 | 0.18 | 0.22 | 0.238 | 0.259 | 0.284 |
Max | 0.192 | 0.192 | 0.192 | 0.213 | 0.192 | 0.213 | 0.213 | 0.213 | 0.213 | 0.213 | 0.248 | 0.28 | 0.31 | 0.327 | |
Min | 0.136 | 0.136 | 0.136 | 0.153 | 0.136 | 0.153 | 0.153 | 0.153 | 0.153 | 0.153 | 0.193 | 0.21 | 0.228 | 0.249 | |
1, A flat washer preferred specifications are the most important part of the standard. In general,they are the "narrow" series (N) and "wide" series (W) in SAE. The narrow series is called the SAE flat washer and the wide series is called the USS flat washer.These specifications of Type A flat washers and other types all have regular inner diameters, outer diameters and thicknesses. 2. Three sizes of outer diameters 0.734, 1.156 and 1.469 have been canceled. |