Allen Key Set Sizes Chart

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.

Allen key set sizes chart.

They are primarily used in compact applications like electronics and aren t seen in every industry. 1 27mm 0 050 1. Iso hardware engineering data ansi hardware engineering data. Iso set screw size data table chart iso 4026.

The precision sae sizes are 0 028 0 035 0 05 and the precision metric sizes are 0 7 mm 0 9 mm 1 3 mm. Hex key size 3 16 1 4 5 16 3 8 3 8 7 16 diameter m16 mio m12 m14 m16 m18 m20 m22 m24 m30 wrench size 7 mm 8mm 10mm 13mm 17mm 19mm 22mm 24mm 27mm 30mm 32mm 36mm 46mm hex key size 3 mm 4mm 5mm 6mm 8mm 10mm 12mm 14mm 14mm 17mm 17mm 19mm 22mm 1 1 1 2 5 8 3 4 3 4 7 8 7 8 1 4 1 2 1 2 2 2 7 8 16 1 4 5 8. 1 27mm 0 050 1 27mm 0 050 1 16 0 89mm 0 035 2. Brown allen keys are made from special grade alloy steel which withstands upto 30 higher torque as compared to allen keys made from crv steel higher hardness of 57 to 62 hrc offered in case of brown allen keys along with superior steel properties enables upto 30 higher wear resistance as compared to crv steel allen keys.

Iso 4026 hexagon socket set screws with flat point table. Allen wrenches are convenient and helpful. These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited. In the united states larger metric half sizes like 6 5 mm aren t standard in most hex key sets.

Drive sizes for us allen drive screws. However the 1 4 sae hex wrench will likely work in place of a 6 5 mm wrench. On our list we have six hex key sizes that we like to classify as precision hex sizes. Socket flat socket button socket cap set screw 0.

You can find a chart of the allen wrench sizes from any manufacturer. The good news is that just about every tool manufacturer has a range of allen wrench sets you can buy. Iso 4026 specifies the characteristics of hexagon socket set screws with flat point and threads from m1 6 up to and including m24 and of product grade a. Hex plus offers a bigger contact surface in the screw head and so reduces the chance of wear and rounding off the.

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. Allen keys imperial these standard allen keys offer a larger range of sizes than the stainless types. Screw diameter drive size. In scenarios like these use the chart to estimate the correct alternative.

Lastly there s one other added benefit to having both sae metric hex keys. In that case you ll want a range of allen wrenches to make sure you have the right size for every particular need. Print this page. 0 89mm 0 035 0 89mm 0 035 1 27mm 0 050 0 71mm 0 028 1.

These allen keys or wrenches from wera feature a hex plus head on the short arm and a six sided ball head on the long arm.