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For example if you wanted to cut a
1
⁄4" x 20
thread on a piece of round stock.
1.
2.
3.
4.
Note: The C combination gear is not
required.
5.
6.
7.
Cutting Threads
G8688 THREAD DIAL
TPI SCALE MM/
PITCH
SCALE
Figure 28.
6
Off
7 Figure 28
Note:There are a total of eight marks on the
thread dial, ranging 1–8. To maintain accu-
racy and consistency, engage the half nut on
the same mark on each pass. Failure to start
on the same number each time may lead to
cutting off the thread made in the previous
pass.
To cut threads:
1
2
3
4
Figures25 & 26
5 ON