Educational woodworking for home and school (1908)
Park, Joseph C. (Joseph Charles), b. 1872 · New York, The Macmillan company · leaf 96
Fig. 73. —Brace dowel bit drill. 45. Wood Drills. — For small holes in hardwoods the wood drills are very good. They arerapid cutting and when well made are veryefficient. They are graded in thirty-seconds andrange from ^ to 1 in size. FOR HOME AND SCHOOL 75 46. Gimlet Bit.—The gimlet bit is used,… … Fig. 75. — Auger bit gauge 47. Auger Bit Gauge.—The auger bit gauge is adevice to be attached to an auger bit to regulate thedepth of the hole. It can be used on any bit up to 1in size. 48. Countersink. — After a hole has been bored fora screw the countersink is used to rim out the top of thehole…
Woodwork (Manual training)
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