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How to Use a T-Bevel

Creating an angle when woodworking can be simple if you use a T-bevel, also known as a sliding bevel gauge. You can use the T-bevel to measure your own angle or use it for transferring angles. The T-bevel mimics a square, with the short end adjustable. It is commonly used to measure angles for a dovetail joint.

Measured Angle

  1. Unlock the T-bevel wing nut or thumbscrew.

  2. Move the T-bevel around until you have reached the angle desired.

  3. Use a protractor as a guide to set a measured angle. Set the measured angle on the protractor. Place the protractor inside the T-bevel and set it to match.

  4. Lock the T-bevel into place with the wing nut or the thumbscrew.

  5. Lay the T-bevel on the wood where the angle is going to be made and mark the wood for your project.

Transferred Angle

  1. Unlock the T-bevel wing nut or thumbscrew.

  2. Lay the T-bevel flat on the angle you wish to mimic.

  3. Adjust the bevel to match the angle.

  4. Lock the T-bevel into place with the wing nut or thumbscrew.

  5. Lay the T-bevel on the wood where you would like to transfer the angle.

  6. Mark the wood for your project.

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