Sliding T Bevel Basics (Hand Tools DIY)

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What is a sliding T bevel? What are its uses, and how does it work? This article covers all the basic mandatory information regarding a sliding T bevel.

A sliding T bevel is also recognized as a bevel gauge or a false square. It is basically a tool that is used as an adaptable gauge that can be used to alter, transfer, and set angles. In other words, a sliding T bevel can be described as a tool that is mainly used by carpenters or woodworkers to make either accurate or precise measurements of the woodwork.

A sliding T bevel can be set up at any angle, and it can be transferred onto any other piece. This tool is essential for a lot of works for like construction works where any angle can be taken and not just the ideal 90 degrees.

Sliding T-Bevel

T bevels are usually used by carpenters. They use it for a whole lot of purposes, like when a base trim of two walls has been installed that stay intersected in like an unusual angle. And unusual angles can be any non- 90-degree angle or any non-45-degree angle.

It can also be used as a depth gauge, or it helps in the installation of railing or for the installation of the spirals of the stair, etc.

Basic parts of sliding T bevel

  • Handle
  • blade
  • Thumbscrew or wing nut

A sliding T bevel fundamentally contains two parts. One is a handle, and the other is a metal blade. These two components are attached together with a thumbscrew or a wing nut, which does help in attaining any angle as needed by loosening it, and also, it helps to lock the tool in any angle as it has a full 360-degree angle rotation. One end of the metal blade is rounded in shape, whereas the other end is made as in a 45-degree cut.

The most out of the use of a sliding T bevel comes in case of working on renovation projects where there are no specific standards given. The usage of a sliding T bevel is not complicated. It can be used to create an angle or to reflect a current angle.

To make a new angle with Sliding T bevel

Sliding T-Bevel

First, the thumbscrew has to be loosened so that the blade is free to move and rotate and take any angle. Now the blade can be adjusted to any angle between the handle and the blade according to the need of the user.

It is best to use a protractor in the bevel so that it is very easy to achieve the desired angle. The t bevel can now be placed and locked by tightening the thumbscrew. Now the t bevel can be kept in the working space. And the angle can be traced out between the t bevel and the angle.

The transferring of a sliding T bevel to an angle that is already existing can be done by

Loosen the thumbscrew for free rotation. The t bevel shall be placed in the angle that is to be copied. The handle and blade shall be adjusted according to the previously existing angle whose angle needs to be copied.

The thumbscrew shall be locked when the t bevel is placed rightly. Now the t bevel shall be taken and used to the working space needed. The previously existing angle shall be obtained easily.

Types of sliding T bevel

There is a variety of sliding T bevels available. It can be a standard-sized t bevel whose blade is usually available in 8 or 9 inches length. There are also mini t bevels available with the blades available in lengths of 4 inches.

There can be variations available in the materials of the handle. It can be plastic, wood, or composite. There are also different types of expensive models available where they have built in a digital angle meter.

A good sliding T bevel can be recognized when the nut of the sliding T bevel holds quickly and very firmly when it is tightened. The handle has to be very strong and solid. The metal part can either be brass, or it can be stainless steel.


Whatโ€™s a T bevel used for?

A Sliding T bevel is a tool that is used to layout as well as to transfer angles. They are used in different construction areas, in building rails, the spirals in a staircase, etc. All the areas where the ideal angle, i.e., 90 degrees, is are not applicable.

What is Bevel Square?

A bevel square is basically used by carpenters or woodworkers. This tool has an arm that can be adjusted according to the desire of the user. This tool helps out to check the slope of any particular surface and is also used to point out angles.

What does bevel mean?

Bevel has more than one definition. One of which describes bevel as an instrument which has two arms that are combined and when opened any angle can be drawn with the help of it, or any surface can be adjusted or copied.

Bevel is also known as in a case when there are two angles, and the combination of both the angles does not make any angles of 90 degree or right angles.

Bevel is also known as any inclination or angle, or slant, which is present in any surface or any line.


This article covers the facts and information regarding a tool called Sliding T bevel, which is used to measure angles and also helps to copy any angle to the desired material accurately and precisely. These tools are used to obtain any non-90-degree angle.

This tool has a full 360-degree rotation. This article also discusses the different areas on how to draw out angles with the help of sliding T bevel, different types of the Sliding bevel. In the end, the basic questions that arise in the minds of the readers are also discussed.

Bonus video: How to Use a Sliding Bevel | Woodworking

Thank you for reading!

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