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Dimension Fig. 1 Let's
start with the basics.
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Fig. 2 The thickness of the blade is measured from side to side and in an area where there are no teeth. This is the original thickness of the metal band- stock that was used to fabricate the blade. Ten thousands of an inch (.010) as shown in (Fig. 2) is a very common thickness. Seven thousands of an inch (.007) would be considered thin or ultra thin.
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Fig. 3 The width of the saw blade (Fig. 3) is measured from its back to the tip of its teeth. Sixty eight thousands of an inch (.068) is a common width. Note that some blades may be wider in the area where the pin is located. However, that does not determine its designated width.
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Fig. 4 TPI stands for teeth per inch. The blade most frequently used in dental labs have 18.5 TPI (Fig. 4) and is considered a standard cut. Blades can also have 25 TPI which is considered a fine cut. |