For even the most organized craftsmen, it can be easy to lose or forget the length of your band saw blades. When the time comes around for the blade to be replaced, woodworkers often cringe at the thought of measuring these sharp-toothed giants. Fortunately though, with just a few quick and simple steps, a flat surface, a measuring tape and a marker, accurately measuring the length of your band saw blades is a surprisingly simple procedure.
First, you will need a flat surface that is at least as long as the estimated length of the band saw blade. For this procedure, it is easier if said flat surface is at table or workbench height, but, as this is not always possible, you may also use the floor, a driveway, sidewalk, or etc.
Table Saw Tools
Once you have located your flat surface use a pencil or other marking instrument to indicate a starting point. Now, using a marker, clearly mark a starting point on the inside of the band saw blade as well. For this "starting point", I usually look for the weld line on the inside of the blade and boldly mark as my starting point. This avoids any "starting point" confusion later in the process.
Now, place the starting point mark on your band saw blade directly over the starting point mark on your flat surface and begin to roll the blade forward. Keep the blade rolling as straight as possible (using a guide or traced line if necessary) to ensure accuracy and continue rolling until you reach the starting point marked on the band saw blade. Stop there and mark the flat surface directly beneath the weld/starting point mark on the blade. The new mark represents the end or finishing point on the flat surface and also indicates the end of a complete revolution of the saw blade.
Set aside your saw blade and using a measuring tape measure the distance between the starting point and finishing point on the flat surface. This, as it is the distance of one complete revolution of the saw blade, will be the exact length of the band saw blade in question.
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