BASIC
DIAMETER |
D
SHOULDER
DIAMETER |
A
HEAD
DIAMETER |
H
HEAD
HEIGHT |
S
HEAD
SIDE HT |
J
SOCKET
SIZE |
T
KEY
ENGAGE |
R
CHAMFER
RADIUS |
max |
min |
max |
min |
max |
min |
min |
nom |
min |
min |
1/4 |
0.2500 |
0.248 |
0.246 |
0.375 |
0.357 |
0.188 |
0.177 |
0.157 |
1/8 |
0.094 |
0.009 |
5/16 |
0.3125 |
0.311 |
0.309 |
0.438 |
0.419 |
0.219 |
0.209 |
0.183 |
5/32 |
0.117 |
0.012 |
3/8 |
0.3750 |
0.373 |
0.371 |
0.562 |
0.543 |
0.250 |
0.204 |
0.209 |
3/16 |
0.141 |
0.015 |
1/2 |
0.5000 |
0.498 |
0.496 |
0.750 |
0.729 |
0.312 |
0.302 |
0.262 |
1/4 |
0.188 |
0.020 |
5/8 |
0.6250 |
0.623 |
0.621 |
0.875 |
0.853 |
0.375 |
0.365 |
0.315 |
5/16 |
0.234 |
0.024 |
3/4 |
0.7500 |
0.748 |
0.746 |
1.000 |
0.977 |
0.500 |
0.490 |
0.421 |
3/8 |
0.281 |
0.030 |
1" |
1.0000 |
0.998 |
0.996 |
1.312 |
1.287 |
0.625 |
0.610 |
0.527 |
1/2 |
0.375 |
0.040 |
BASIC
DIAMETER |
K
SHDLR
NK DIA. |
F
SHDLR
KD WDTH |
D
THRD
SIZE |
E
THRD
LNGTH |
G
THRD NK
DIAMETER |
I
THRD NK
WIDTH |
max |
max |
nom |
basic |
max |
min |
max |
1/4 |
0.2500 |
0.227 |
0.093 |
10-24 |
0.375 |
0.142 |
0.133 |
0.083 |
5/16 |
0.3125 |
0.289 |
0.093 |
1/4-20 |
0.438 |
0.193 |
0.182 |
0.100 |
3/8 |
0.3750 |
0.352 |
0.093 |
5/16-18 |
0.500 |
0.249 |
0.237 |
0.111 |
1/2 |
0.5000 |
0.477 |
0.093 |
3/8-16 |
0.625 |
0.304 |
0.291 |
0.125 |
5/8 |
0.6250 |
0.602 |
0.093 |
1/2-13 |
0.750 |
0.414 |
0.397 |
0.154 |
3/4 |
0.7500 |
0.727 |
0.093 |
5/8-11 |
0.875 |
0.521 |
0.502 |
0.182 |
1" |
1.0000 |
0.977 |
0.125 |
3/4-10 |
1.000 |
0.638 |
0.616 |
0.200 |
Note: Should bolts are also referred to as "stripper
bolts".
|
