Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines (1918)
Wallace, Ernest L · Chicago, American technical society · leaf 66
Fig. 27. Set Screws thread are placed at a small angle, say 15°, to each other, as illustratedin Fig. 23. The practical commercial forms of fastenings are usually in-cluded in five classes, as follows: 1. Through bolts, Fig. 24, usually rough stock, with squareupset heads, and square or hexagonal…
Machine design
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