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To address or describe the true nature of someone or something, even if it is unpleasant. The term originated from a translation of an ancient Greek phrase, but is considered offensive by some due to the later use of the word “spade” as a racial slur for a black person.Read More →

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Angle and balance are the two essentials for sharpening spade bits. The leading edge of each of the two cutters needs to angle back about 5º from square. The exact angle isn’t critical, so you can safely replicate the factory angle by eye. Can Drill Doctor sharpening spade bits? TheRead More →