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Square Lag Screws [Table 14] (ASTM A307 / F593 / F468 / A394)

ASME B 18.2.1 - 2012

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美标ASME B18.2.1 - 2012 ASME18.2.1 18.2.1A Square Lag Screws [Table 14] (ASTM A307 / F593 / F468 / A394)
Screw Thread
d
10# 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4
d
ds max
min
s Basic
max
min
e max
min
k max
min
L0 min
r max
min
0.1900 0.2500 0.3125 0.3750 0.4375 0.5000 0.6250 0.7500 0.8750 1.0000 1.1250 1.2500
0.199 0.260 0.324 0.388 0.452 0.515 0.642 0.768 0.895 1.022 1.149 1.277
0.178 0.237 0.298 0.360 0.421 0.482 0.605 0.729 0.852 0.976 1.098 1.223
9/32 3/8 1/2 9/16 5/8 3/4 15/16 1-1/8 1-5/16 1-1/2 1-11/16 1-7/8
0.281 0.375 0.500 0.562 0.625 0.750 0.938 1.125 1.312 1.500 1.688 1.875
0.271 0.362 0.484 0.544 0.603 0.725 0.906 1.088 1.269 1.450 1.631 1.812
0.398 0.53 0.707 0.795 0.884 1.061 1.326 1.591 1.856 2.121 2.386 2.652
0.372 0.498 0.665 0.747 0.828 0.995 1.244 1.494 1.742 1.991 2.239 2.489
0.140 0.188 0.220 0.268 0.316 0.348 0.444 0.524 0.620 0.684 0.780 0.876
0.110 0.156 0.186 0.232 0.278 0.308 0.400 0.476 0.568 0.628 0.720 0.812
0.094 0.094 0.125 0.125 0.156 0.156 0.312 0.375 0.375 0.625 0.625 0.625
0.03 0.03 0.03 0.03 0.03 0.03 0.06 0.06 0.06 0.09 0.09 0.09
0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.03 0.03 0.03