Handy man's workshop and laboratory . Fig. 104—Holder for broken shankdrills. HANDY MAN S WORKSHOP AND LABORATORY 91 front edge of the slot flush with the end of the drill hole. Grindthe end of drill flat at one side as far as the center, so that whenthe drill is placed in the holder the flattened end will projectbeyond the drilled hole and engage the bottom of the slot. Withthis device broken shank drills may be utilized to advantage.—26 SIMPLE DRILL CLEARANCE When the drill pinches and squeals on drilling through piecesof wrought iron and copper, and is liable to twist off before youget the
Handy man's workshop and laboratory . Fig. 104—Holder for broken shankdrills. HANDY MAN S WORKSHOP AND LABORATORY 91 front edge of the slot flush with the end of the drill hole. Grindthe end of drill flat at one side as far as the center, so that whenthe drill is placed in the holder the flattened end will projectbeyond the drilled hole and engage the bottom of the slot. Withthis device broken shank drills may be utilized to advantage.—26 SIMPLE DRILL CLEARANCE When the drill pinches and squeals on drilling through piecesof wrought iron and copper, and is liable to twist off before youget the job done, why dont you swedge it? Use a small hammer,and be careful not to chip the corner, as the drill is swedged
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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectworkshoprecipes
