USE/CARE OF HANDTOOLS & MEASURING TOOLS - OD1621 - LESSON 3/TASK 1
AMERICAN NATIONAL PIPE THREAD
DIMENSIONS AND TAP DRILL SIZES.
(d) Brown and Sharpe, or American Wire Gaging System (B&S or AWG).
This gaging system is used for copper strip, brass and bronze sheet and
strip, and aluminum and magnesium sheet.