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Measuring your Tablesaw Blade Angle

Getting your tablesaw blade square is crucial if you want to build accurately. Although it is relatively simple to measure if your blade is at 90 degrees to your table, it is difficult to sometimes pinpoint other angles exactly. Even if your tablesaw comes with settings of 15, 30, and 45 degrees, it probably would not be a good idea to use this setting as it may not be accurate enough for your project.

As woodworkers, we cannot afford to have what we believe to be a 45 degree angle really be at 44 degrees, as the difference will accumulate in the project. You will spend more time trying to adjust or repair the defect that follows suit than if the angle was properly set in the first place.

As was mentioned, getting the blade to 90 degrees is relatively simple. I still would not use the preset that the tablesaw came with. Until you become very familiar with your saw it would be prudent to verify your angle with an engineer square.

4'' and 6'' Stainless Steel Rule Engineer Squares
Engineer Square

A 45 degree angle can usually be verified easily by using various measuring tools on the market, but how about everything else in between? A sliding T-bevel is a good tool to use for this purpose. Sometimes, we don’t actually need to know the angle, we are just copying it from somewhere else. A sliding T-bevel is also good for this.

T-Bevel Sliding Square

T-Bevel Sliding Square


Bevel Setting Protractor

Bevel Setting Protractor


Or if you want something more high tech, a digital angle gauge. As opposed to other digital gimmicky items, a digital angle gauge is a really great and useful tool to own. I, plus many other woodworkers recommend getting one because of its ease of use and accuracy. Just zero it in, and it will read any angle for you instantly. On time savings alone, it really is an item worth owning.
Digital Angle Gauge
Digital Angle Gauge


*Remember when buying tools, make sure they are of highest quality. This especially applies to measuring tools. They need to be as exact as possible.


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