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Allen Hex Key Hexagon Keys Inch Series Tools
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Allen Hexagon, Hex Key, Hexagon Keys Inch Series Tools
Inch Series Hexagon Keys - Applicable Specifications: ASME B18.3.
Hardness: RC 45-53.
Nominal | F |
C |
S |
L |
L |
R | K | |||||
Max. |
Min. |
Max. . |
Min |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
|||
0.028 | 0.0280 |
0.0275 |
0.0314 |
0.0300 |
0.312 |
0.125 |
1.312 |
1.125 |
2.688 |
2.500 |
0.062 | 0.003 |
0.035 | 0.0350 |
0.0345 |
0.0393 |
0.0378 |
0.438 |
0.250 |
1.312 |
1.125 |
2.766 |
2.578 |
0.062 | 0.004 |
0.050 | 0.0500 |
0.0490 |
0.0560 |
0.0540 |
0.625 |
0.438 |
1.750 |
1.562 |
2.938 |
2.750 |
0.062 | 0.006 |
1/16 | 0.0625 |
0.0615 |
0.0701 |
0.0680 |
0.656 |
0.469 |
1.844 |
1.656 |
3.094 |
2.906 |
0.062 | 0.008 |
5/64 | 0.0781 |
0.0771 |
0.0880 |
0.0859 |
0.703 |
0.516 |
1.969 |
1.781 |
3.281 |
3.094 |
0.078 | 0.008 |
3/32 | 0.0937 |
0.0927 |
0.1058 |
0.1035 |
0.750 |
0.562 |
2.094 |
1.906 |
3.469 |
3.281 |
0.094 | 0.009 |
7/64 | 0.1094 |
0.1079 |
0.1238 |
0.1210 |
0.797 |
0.609 |
2.219 |
2.031 |
3.656 |
3.469 |
0.109 | 0.014 |
1/8 | 0.1250 |
0.1235 |
0.1418 |
0.1390 |
0.844 |
0.656 |
2.344 |
2.156 |
3.844 |
3.656 |
0.125 | 0.015 |
9/64 | 0.1406 |
0.1391 |
0.1593 |
0.1566 |
0.891 |
0.703 |
2.469 |
2.281 |
4.031 |
3.844 |
0.141 | 0.016 |
5/32 | 0.1562 |
0.1547 |
0.1774 |
0.1745 |
0.938 |
0.750 |
2.594 |
2.406 |
4.219 |
4.031 |
0.156 | 0.016 |
3/16 | 0.1875 |
0.1860 |
0.2135 |
0.2105 |
1.031 |
0.844 |
2.844 |
2.656 |
4.594 |
4.406 |
0.188 | 0.022 |
7/32 | 0.2187 |
0.2172 |
0.2490 |
0.2460 |
1.125 |
0.938 |
3.094 |
2.906 |
4.969 |
4.781 |
0.219 | 0.024 |
1/4 | 0.2500 |
0.2485 |
0.2845 |
0.2815 |
1.219 |
1.031 |
3.344 |
3.156 |
5.344 |
5.156 |
0.250 | 0.030 |
5/16 | 0.3125 |
0.3110 |
0.3570 |
0.3531 |
1.344 |
1.156 |
3.844 |
3.656 |
6.094 |
5.906 |
0.312 | 0.032 |
3/8 | 0.3750 |
0.3735 |
0.4300 |
0.4238 |
1.469 |
1.281 |
4.344 |
4.156 |
6.844 |
6.656 |
0.375 | 0.044 |
7/16 | 0.4375 |
0.4355 |
0.5018 |
0.4944 |
1.594 |
1.406 |
4.844 |
4.656 |
7.594 |
7.406 |
0.438 | 0.047 |
1/2 | 0.5000 |
0.4975 |
0.5735 |
0.5650 |
1.719 |
1.531 |
5.344 |
5.156 |
8.344 |
8.156 |
0.500 | 0.050 |
9/16 | 0.5625 |
0.5600 |
0.6452 |
0.6356 |
1.844 |
1.656 |
5.844 |
5.656 |
9.094 |
8.906 |
0.562 | 0.053 |
5/8 | 0.6250 |
0.6225 |
0.7169 |
0.7080 |
1.969 |
1.781 |
6.344 |
6.156 |
9.844 |
9.656 |
0.625 | 0.055 |
3/4 | 0.7500 |
0.7470 |
0.8603 |
0.8512 |
2.219 |
2.031 |
7.344 |
7.156 |
11.344 |
11.156 |
0.750 | 0.070 |
7/8 | 0.8750 |
0.8720 |
1.0036 |
0.9931 |
2.469 |
2.281 |
8.344 |
8.156 |
12.844 |
12.656 |
0.875 | 0.076 |
1 | 1.0000 |
0.9970 |
1.1470 |
1.1350 |
2.719 |
2.531 |
9.344 |
9.156 |
14.344 |
14.156 |
1.000 | 0.081 |
1 1/4 | 1.2500 |
1.2430 |
--- |
--- |
3.250 |
2.750 |
11.500 |
11.000 |
--- |
--- |
1.250 | 0.092 |
1 1/2 | 1.5000 |
1.4930 |
--- |
--- |
3.750 |
3.250 |
13.500 |
13.000 |
--- |
--- |
1.500 | 0.104 |

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