AFJ FASTENER QUIZ | American Fastener Journal
Posted Date: 12/4/2010
QUESTIONS:
#1 Name two head styles of machine screws that are countersunk.
#2 T or F A tapping screw (sheet metal screw) is usually fully threaded, while a wood screw has a portion of the shank unthreaded?
#3 10L, 8S, 14L ...
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