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Description / Abstract:
This Standard covers the American National Standard Practice for basic
ball-lock, light and
heavy-duty punches, including dimensions, tolerances, nomenclature,
sizes, and shapes.
Light-duty interchangeable punches are standard in round, oblong,
square, and rectangular shapes,
with punches available in ¼ in. to 1 in. overall diameter shank
sizes. The size of the
locking ball in the retainer ranges from ¼ in. to ⅜ in.
diameter. The light-duty
series will pierce up to ⅛ in. stock.
Heavy-duty interchangeable punches are standard in round, oblong,
square, and rectangular shapes,
with punches available in ½ in. to 1¼ in. overall
diameter shank sizes. The size of
the locking ball in the retainer is ½ in. diameter. The
heavy-duty series generally will
pierce up to ⅜ in. stock in all but a few of the larger sizes.