Ever wondered how the allen wrench came to be? Allen is a brand of hand tools owned by a U.S. based company called the Apex Tool Group. They are most widely known for their hex key wrenches, particularly the allen wrench Set.

allen wrench set

An Allen wrench setis basically a set of Allen wrenches or keys (also known as Hex keys). An Allen wrench is a hexagonal shaped cross-section tool. These tools are mainly used to fasten the bolts and screws that have a hexagonal shaped socket in the head. These wrenches are designed in such a way that they are small, lightweight, and really simple to use.

A basic Allen wrench comprises of six sides, thus assisting the user in getting a more firm grip when turning a screw or a bolt which have six sides as well. However, there are many other Allen wrench socket sets available in the market that enables you to attach different types of heads on the wrench.

Types

The Allen Wrenches can be broadly classified into following two types:

  • L-Key Allen Wrench
  • T-Handle Allen Wrench

The most popular Allen productis the 30 piece L-Key Allen Set. As the name suggests, it is a toolset which contains 30 different types of Allen wrenches. Out of which, 15 are SAE Allen wrenches, and the remaining are metric. Using the SAE (Society of Automotive Engineers) standard, the wrenches in this set range from 0.035 inches and go up to as long as 3/8 inches. Whereas the metric Allen wrench setstarts from 0.7 millimeters and go up to 10.0 millimeters. These wrenches are also known as L-Key wrenches, mainly due to the fact that they are L-shaped. The production and manufacturing cost of these wrenches are very minimal, thus these wrench set are available at a very cheap rate.

t handle allen wrench set

Available Sizes

A 30 piece wrench set includes wrenches of the following sizes:

SAE Standard:

  • 0.028 inches
  • 0.035 inches
  • 0.05 inches
  • 1/16 inches
  • 5/64 inches
  • 3/32 inches
  • 7/64 inches
  • 1/8 inches
  • 9/64 inches
  • 5/32 inches
  • 3/16 inches
  • 7/32 inches
  • 1/4 inches
  • 5/16 inches
  • 3/8 inches

Metric Standard:

  • 0.7 mm
  • 0.9 mm
  • 1.3 mm
  • 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
  • 10 mm

These types of wrenches are most commonly used to drive the bolts and screws on motorcycles, bicycles, and furniture assemblies.

metric allen wrench set

Another popular Allen product is the 10 piece T Handle Allen Wrench Set. Its working is quite similar to that of L-Key Allen Wrench Set. The only major difference is that the T-Handle wrench set offers a much better grip than the L-key wrench. As the name suggests, a T-Handle wrench is shaped in the form of a “T”. The 10 piece T-Handle Wrench set consists of following wrenches:

  • 3/32 inches
  • 7/64 inches
  • 1/8 inches
  • 9/64 inches
  • 5/32 inches
  • 3/16 inches
  • 7/32 inches
  • 1/4 inches
  • 5/16 inches
  • 3/8 inches

These T-shaped wrenches are mainly used for fittings, machinery, and other high-torque applications.

The Allen Wrench Set can be purchased either offline by visiting your local tool shop, or one may also easily purchase it online on shopping portals such as Amazon, eBay, and many others.