(a) Quality of Material.- Rivets shall be manufactured
from steel complying with the aforementioned requirements
of this Chapter in respect of rivet bars.
||The rivet shanks shall be bent cold, and
hammered until two parts of the sank touch, without fracture
on the outside of the bend.
||The rivet heads shall be flattened while
hot, without cracking at the edges until their diameter
is 2½ times the diameter of the shank.
(c) Number of Tests.- Upto half per cent of rivets
of each size shall be selected by the Inspector or Inspecting
Officer from bulk for the above tests.