Foster, Edwin W. [from old catalog] · Garden City, N.Y., Doubleday, Page & company · leaf 221
sharp. (Fig. Kl.) The auger bit is most commonlyused by woodworkers. It has twoknife edges and two chisels besides thespiral spur in the centre. A short formFig. 120. Gimietbit of this tool, called the dowel bit, hasand centre bit y^ advantage of bending less readily than the ordinary auger bit.…
Carpentry · Woodwork
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