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Unified Hexagon Thick Ordinary Nuts

BS 1768 - 1963

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英标BS 1768 - 1963 BS1768 1768BS Unified Hexagon Thick Ordinary Nuts
Screw Thread
d
1/4 5/16 3/8 7/16 1/2 (9/16) 5/8 3/4 7/8 1 1-1/8 1-1/4 (1-3/8) 1-1/2
s max
min
e max
dw max
min
m max
min
0.4375 0.5000 0.5625 0.6875 0.7500 0.8750 0.9375 1.1250 1.3125 1.5000 1.6875 1.8750 2.0625 2.2500
0.4305 0.4930 0.5545 0.6795 0.7420 0.8670 0.9295 1.1150 1.3005 1.4880 1.6575 1.8300 2.0175 2.2050
0.505 0.577 0.650 0.794 0.866 1.010 1.083 1.300 1.515 1.732 1.948 2.165 2.382 2.598
0.421 0.483 0.545 0.668 0.730 0.855 0.918 1.100 1.285 1.473 1.641 1.813 2.001 2.188
0.411 0.473 0.535 0.658 0.720 0.845 0.908 1.090 1.275 1.463 1.625 1.797 1.985 2.172
0.286 0.333 0.411 0.458 0.567 0.614 0.724 0.822 0.916 1.015 1.176 1.275 1.400 1.530
0.276 0.323 0.401 0.448 0.557 0.604 0.714 0.802 0.896 0.985 1.136 1.225 1.350 1.470

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