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Articles on Hole Making, Including: Drill, Drill Bit, Hole Punch, Blind Hole, Drill Bit Shank, Drill Bit Sizes, Brace (Tool), Boring (Manufacturing), Hole Saw, Gun Drill, Drill and Tap Size Chart, Jig Borer, Single-Pass Bore Finishing by Hephaestus Books (Paperback / softback, 2011)