Also a standard size.
M6 allen key dimensions.
There are a few ways that you can tell what hex key you may need to finish a project tighten a set of screws or loosen an old screw.
8 40 mm m min.
See norm din 912 iso 4762 the relevant number for the tool head is s given in millimetre.
Interchangable 0 035 and 0 9mm.
13 00 mm s min.
Allen key size s.
Imperial to metric for allen keys.
Allen wrenches are convenient and helpful.
Engineering ansi hardware design data engineering metric hardware design data.
15 73 mm e min 17 77 mm m max.
0 7 0 711 0 698 0 798 0 762 8 3 34 28 69 63 1 5 0 08.
6 8 mm m min.
5 2 mm m min.
Metric socket head cap screws size table.
L length of long arm long series max.
10 00 mm s min.
11 05 mm m max.
C hex width across corners max.
For instance metric size 9 mm doesn t have an imperial counterpart.
Metric hexagon keys nominal key size f hex width across flats max.
12 73 mm e min.
If you aren t sure what size you need an allen wrench size chart can be a handy tool to get you on your way.
Common metric hex key sizes.
In addition to the precision sizes mentioned above the common metric allen wrench sizes are 1 5 mm 2 mm 2 5 mm 3 mm 4 mm 4 5 mm 5 mm 5 5 mm 6 mm 7 mm 8 mm 9 mm 10 mm.
14 38 mm m max.
R radius of bend min.
L length of long arm short series max.
Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36.
A hex key or allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads.
1 25 mm s max.
16 00 mm s min.
All dimensions are in millimeters.
S length of short arm max.
1 50 mm s max.
Also a standard size.
S 5mm m6 and s 6mm m8.
Of these sizes some of the more popular ones are 2 5 mm 3 mm 4 mm 5 mm 6 mm 8 mm 10 mm.
1 00 mm s max.
As you ll notice there isn t always a perfect substitute.
The tool is usually formed of a single piece of hexagonal rod of hard steel with blunt ends that are meant to fit snugly into the screw s socket bent in an l shape with unequal arms the tool is usually held and twisted by the long arm creating a large torque at the tip of the.
Hex key sizes inches metric hex key sizes mm notes compares standard and metric allen wrench sizes where they closely match and where they don t wrench equivalence 15 key set.
The 6 allen key has a 6mm wide head and fits m8 screws and likewise the 5 allen key has a 5mm wide head and fits m6 screws so there is room for some confusion here.