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Unit:inch

Single Coil Spring Lock Washers, Heavy Type

ASME/ANSI B 18.21.1 (T2) - 1999

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美标ASME/ANSI B18.21.1 (T2) - 1999 ASME/AN Single Coil Spring Lock Washers, Heavy Type
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 *Models with different eras.

Size
2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2
d max
min
dc max
h min
n min
n1 min
0.094 0.107 0.120 0.133 0.148 0.174 0.200 0.227 0.260 0.322 0.385 0.450 0.512
0.088 0.101 0.114 0.127 0.141 0.167 0.193 0.220 0.252 0.314 0.377 0.440 0.502
0.182 0.209 0.223 0.252 0.266 0.307 0.350 0.391 0.489 0.593 0.688 0.784 0.879
0.025 0.031 0.031 0.040 0.040 0.047 0.056 0.063 0.077 0.097 0.115 0.133 0.151
0.040 0.047 0.047 0.055 0.055 0.062 0.070 0.077 0.110 0.130 0.145 0.160 0.176
0.028 0.033 0.033 0.038 0.038 0.043 0.049 0.054 0.077 0.091 0.101 0.112 0.123
Size
9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 1-1/16 1-1/8 1-3/16 1-1/4 1-5/16
d max
min
dc max
h min
n min
n1 min
0.574 0.641 0.704 0.766 0.832 0.894 0.958 1.024 1.087 1.153 1.217 1.280 1.344
0.564 0.628 0.691 0.753 0.816 0.878 0.941 1.003 1.066 1.129 1.192 1.254 1.317
0.975 1.087 1.186 1.285 1.387 1.489 1.590 1.700 1.803 1.903 2.001 2.104 2.203
0.170 0.189 0.207 0.226 0.246 0.266 0.284 0.306 0.326 0.345 0.364 0.384 0.403
0.193 0.210 0.227 0.244 0.262 0.281 0.298 0.319 0.338 0.356 0.373 0.393 0.410
0.135 0.147 0.159 0.171 0.183 0.197 0.209 0.223 0.237 0.249 0.261 0.275 0.287
Size
1-3/8 1-7/16 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3
d max
min
dc max
h min
n min
n1 min
1.408 1.472 1.534 1.663 1.789 1.914 2.039 2.293 2.543 2.793 3.043
1.379 1.442 1.504 1.633 1.758 1.883 2.008 2.262 2.512 2.762 3.012
2.301 2.396 2.491 2.694 2.820 2.945 3.144 3.398 3.648 3.910 4.160
0.422 0.440 0.458 0.458 0.458 0.458 0.496 0.496 0.496 0.526 0.526
0.427 0.442 0.458 0.491 0.491 0.491 0.526 0.526 0.526 0.532 0.532
0.299 0.309 0.321 0.344 0.344 0.344 0.368 0.368 0.368 0.372 0.372

Alternative history

ANSI/ASME B 18.21.1 - 1999 ANSI/ASME B 18.21.1 - 2009 ASME B 18.21.12009 - 2016
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