TM 1-1500-204-23-9
Figure 4-123. Tube Beading Tool
Figure 4-124. Beading Large Tubing
4-27. Hand Seamer and Groover. The hand seamer
and groover are sheet-metal working tools, described in
the following paragraphs.
a.
Hand Seamer. The hand seamer is designed to
grip metal over a wide area of a proposed seam. The
desired height of the fold is adjusted by the use of two
thumb screws.
b.
Hand Groover. The hand groover is used for
grooving or creasing sheet metal seams. Sizes range
from 3/32 to 5/16 inch in width.
4-52
