Allen Key Set Sizes Chart

Allen keys mm sizes brown finish.

Allen key set sizes chart.

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. 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. 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. 0 89mm 0 035 0 89mm 0 035 1 27mm 0 050 0 71mm 0 028 1.

Drive sizes for us allen drive screws. 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. Iso hardware engineering data ansi hardware engineering data. They are primarily used in compact applications like electronics and aren t seen in every industry.

Hex plus offers a bigger contact surface in the screw head and so reduces the chance of wear and rounding off the. Generally conforming to is 3082 1988. Iso 4026 hexagon socket set screws with flat point table. Socket flat socket button socket cap set screw 0.

Lastly there s one other added benefit to having both sae metric hex keys. These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited. Allen keys imperial these standard allen keys offer a larger range of sizes than the stainless types. 1 27mm 0 050 1.

Allen wrenches are convenient and helpful. Print this page. 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. On our list we have six hex key sizes that we like to classify as precision hex sizes.

However the 1 4 sae hex wrench will likely work in place of a 6 5 mm wrench. Screw diameter drive size. 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. In the united states larger metric half sizes like 6 5 mm aren t standard in most hex key sets.

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. 1 27mm 0 050 1 27mm 0 050 1 16 0 89mm 0 035 2. In that case you ll want a range of allen wrenches to make sure you have the right size for every particular need. The good news is that just about every tool manufacturer has a range of allen wrench sets you can buy.

In scenarios like these use the chart to estimate the correct alternative.