ANALYSIS OF DRILLING TOOL LIFE—A REVIEWExplore further
2015-4-9u2002·u2002twist drill bits in order to optimize the bit for a particular material. The most common twist drill bit has a point angle of 118 degrees, acceptable for use in wood, metal, plastic, and most other materials, although it does not perform as well as using the optimum angle for each material. In most materials it does not tend to wander or dig in.
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