LN KEY
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Allen Key (Also known as Hex Key, Hexagon Key, Socket Key, LN Key), sizes and its dimensions can be very handy while designing and selecting fasteners for your application. These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited.
Screw Size | Allen Key Size, s | A | B |
M3 | 2.5 | 56 | 18 |
M4 | 3 | 63 | 20 |
M5 | 4 | 70 | 25 |
M6 | 5 | 80 | 28 |
M8 | 6 | 90 | 32 |
M10 | 8 | 100 | 36 |
M12 | 10 | 112 | 40 |
M14 | 12 | 125 | 45 |
M16 | 14 | 140 | 56 |
M18 | 14 | 140 | 56 |
M20 | 17 | 160 | 63 |
M22 | 17 | 160 | 63 |
M24 | 19 | 180 | 70 |