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TCG - Triple Chip Grind: Tooth grind where one flat-topped tooth is followed by a trapezoidal tooth that is slightly higher. The higher tooth pre-cuts the material narrower than the final kerf, helping to eliminate chipping in brittle materials such as chipboard and laminates.
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HOOK - Hook Angle: The angle that the face of the tooth makes with a line projecting radially from the center of the bore (arbor) coming into contact with the tooth. Hook angles range from 25 degrees to -7 degrees.
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