M6 Allen Key Dimensions

9 78 mm e min.

M6 allen key dimensions.

8 40 mm m min. C hex width across corners max. Engineering ansi hardware design data engineering metric hardware design data. 13 00 mm s min.

All dimensions are in millimeters. L length of long arm short series max. S length of short arm max. Allen key size s.

R radius of bend min. S 5mm m6 and s 6mm m8. 1 25 mm s max. Imperial to metric for allen keys.

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. Metric hexagon keys nominal key size f hex width across flats max. 11 05 mm m max. 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.

6 8 mm m min. 0 7 0 711 0 698 0 798 0 762 8 3 34 28 69 63 1 5 0 08. 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. Allen wrenches are convenient and helpful.

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. As you ll notice there isn t always a perfect substitute. 10 00 mm s 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.

1 50 mm s max. L length of long arm long series max. Also a standard size. 16 00 mm s min.

Metric socket head cap screws size table. Common metric hex key sizes. See norm din 912 iso 4762 the relevant number for the tool head is s given in millimetre. 5 2 mm m min.

1 00 mm s max. For instance metric size 9 mm doesn t have an imperial counterpart. 14 38 mm m max. 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.

On the left hand side we have our sae to metric conversion guide for hex keys that provides the best substitute sae allen wrench for each given metric size. Also a standard size. Interchangable 0 028 and 0 7mm. Interchangable 0 035 and 0 9mm.

12 73 mm e min. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36.