| 
|
NOMINAL KEY
& SOCKET SIZE |
W |
Y |
B |
C |
C |
R |
HEX
WIDTH
ACROSS FLATS
|
HEX
WIDTH
ACROSS CORNERS
|
LENGTH
OF
SHORT SIDE
BOTH STYLES |
SHORT
STYLE
LENGTH OF
LONG SIDE |
LONG
STYLE
LENGTH OF
LONG SIDE |
RADIUS
OF
BEND |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
min |
|
0.028 |
0.2800 |
0.0275 |
0.0314 |
0.0300 |
0.312 |
0.125 |
1.312 |
1.125 |
2.688 |
2.500 |
0.062 |
|
0.035 |
0.3500 |
0.0345 |
0.0393 |
0.3780 |
0.438 |
0.250 |
1.312 |
1.125 |
2.766 |
2.578 |
0.062 |
|
0.050 |
0.5000 |
0.0490 |
0.0560 |
0.0540 |
0.625 |
0.438 |
1.750 |
1.562 |
2.938 |
2.750 |
0.062 |
1/16 |
0.062 |
0.6250 |
0.0615 |
0.0701 |
0.0680 |
0.656 |
0.469 |
1.844 |
1.656 |
3.094 |
2.906 |
0.062 |
5/64 |
0.078 |
0.7810 |
0.0771 |
0.0880 |
0.0859 |
0.703 |
0.516 |
1.969 |
1.781 |
3.281 |
3.094 |
0.078 |
3/32 |
0.094 |
0.9370 |
0.0927 |
0.1058 |
0.1035 |
0.750 |
0.562 |
2.094 |
1.906 |
3.469 |
3.281 |
0.094 |
7/64 |
0.109 |
0.1094 |
0.1079 |
0.1238 |
0.1210 |
0.797 |
0.609 |
2.219 |
2.031 |
3.656 |
3.469 |
0.109 |
1/8 |
0.125 |
0.1250 |
0.1235 |
0.1418 |
0.1390 |
0.844 |
0.656 |
2.344 |
2.156 |
3.844 |
3.656 |
0.125 |
9/64 |
0.141 |
0.1406 |
0.1391 |
0.1593 |
0.1566 |
0.891 |
0.703 |
2.469 |
2.281 |
4.031 |
3.844 |
0.141 |
5/32 |
0.156 |
0.1562 |
0.1547 |
0.1774 |
0.1745 |
0.938 |
0.750 |
2.594 |
2.406 |
4.219 |
4.031 |
0.156 |
3/16 |
0.188 |
0.1875 |
0.1860 |
0.2135 |
0.2105 |
1.031 |
0.844 |
2.844 |
2.656 |
4.594 |
4.406 |
0.188 |
7/32 |
0.219 |
0.2187 |
0.2172 |
0.2490 |
0.2460 |
1.125 |
0.938 |
3.094 |
2.906 |
4.969 |
4.781 |
0.219 |
1/4 |
0.250 |
0.2500 |
0.2485 |
0.2845 |
0.2815 |
1.219 |
1.031 |
3.344 |
3.156 |
5.344 |
5.156 |
0.250 |
5/16 |
0.312 |
0.3125 |
0.3110 |
0.3570 |
0.3531 |
1.344 |
1.156 |
3.844 |
3.656 |
6.094 |
5.906 |
0.312 |
3/8 |
0.375 |
0.3750 |
0.3735 |
0.4285 |
0.4238 |
1.469 |
1.281 |
4.344 |
4.156 |
6.844 |
6.656 |
0.375 |
7/16 |
0.438 |
0.4375 |
0.4355 |
0.5005 |
0.4944 |
1.594 |
1.406 |
4.844 |
4.656 |
7.594 |
7.406 |
0.438 |
1/2 |
0.500 |
0.5000 |
0.4975 |
0.5715 |
0.5650 |
1.719 |
1.531 |
5.344 |
5.156 |
8.344 |
8.156 |
0.500 |
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Hex keys can be manufactured to your specifications
with short and long arm lengths that are not listed above. Six lobe
also known as Torx® drive keys and Spline keys are also available.
Hex keys are also available in all metric sizes. Ask your
salesperson for more details.
Plated hex keys should be measured using the above dimensions
before plating is applied. Long series and Short series refers to
the length of long arm on the hex key. Hex keys can be manufactured
to any length you require.
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