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Unit:inch

Unified Inch Series Steel Hexagon Prevailing-Toyque Type Nuts

BS 4929-2 - 1973

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英标BS 4929-2 - 1973 BS4929-2 4929-2BS Unified Inch Series Steel Hexagon Prevailing-Toyque Type Nuts
Nominal Diameter
8# 10# 1/4 5/16 3/8 7/16 1/2 9/16
PP UNC
UNF
s max
min
h max（Actual）
max（Theory）
m min
e max
dw max
min
32 24 20 18 16 14 13 12
36 36 28 24 24 20 20 18
0.3438 0.375 0.4375 0.5 0.5625 0.6875 0.75 0.875
0.332 0.362 0.4305 0.493 0.5545 0.6795 0.742 0.867
0.246 0.285 0.328 0.406 0.487 0.568 0.65 0.731
0.21 0.241 0.295 0.345 0.415 0.482 0.573 0.621
0.083 0.083 0.12 0.15 0.198 0.223 0.262 0.286
0.397 0.433 0.505 0.577 0.65 0.794 0.866 1.01
0.344 0.375 0.438 0.500 0.563 0.688 0.750 0.875
0.309 0.337 0.394 0.450 0.506 0.619 0.675 0.787
Nominal Diameter
5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
PP UNC
UNF
s max
min
h max（Actual）
max（Theory）
m min
e max
dw max
min
11 10 9 8 7 7 6 6
18 16 14 12 12 12 12 12
0.9375 1.125 1.3125 1.5 1.6875 1.875 2.0625 2.25
0.9295 1.115 1.3005 1.488 1.6575 1.83 2.0175 2.205
0.812 0.975 1.135 1.3 1.46 1.625 1.79 1.95
0.731 0.827 0.975 1.1 1.242 1.382 1.52 1.65
0.329 0.382 0.45 0.513 0.576 0.628 0.681 0.757
1.083 1.3 1.515 1.732 1.948 2.165 2.382 2.598
0.938 1.125 1.313 1.500 1.688 1.875 2.063 2.250
0.844 1.012 1.181 1.350 1.519 1.687 1.856 2.025
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