USE/CARE OF HANDTOOLS & MEASURING TOOLS - OD1621 - LESSON 2/TASK 2
(2) Adjustment for Pitch Diameter.
The diestock for holding round
split open adjusting dies has three screws.
A fine pitch screw in this
diestock enters the split in the die and forces the sides apart; the other
two screws are on the opposite side for compressing.
A single screw
diestock is used to hold dies of the round split screw adjusting type, that
are provided with an adjusting screw which forces the sides apart or allows
then to spring together, although this type die will fit in a three screw
diestock as well. Two piece rectangular dies are adjusted by the setscrews
at either end of the diestock, or of the slot in the collet in which they
(3) Threading Pipe.
The procedure for threading pipe is as described
in (a) through (l) below.
(a) Lock the pipe securely in a pipe vise (figure 144).