Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 262
s, screw heads, and plain nuts are left soft, while castlenuts are case-hardened. ELEMENTARY MACHINE DETAILS. 24! The body diameter of the screw is one-thousandth of an inch(.001) less than the nominal diameter. The clearance betweentop and bottom of threads in nuts is correct when the topis made… … and nut is made equal in diameter to the distance across theflats and is made so that the scratching of the nut when it is beingscrewed on to a finished surface will not show. It also increasesthe pressure per square inch. Split Pins, when made of a uniform diameter from wireof a semicircular…
