46 — M
achinist
c
alc™
/ M
achinist
c
alc™
P
ro
Changing a U.S. Thread Classification
KeYSTROKe
DISPLAY
g *
ALL CLeAred
1. Recall the current Thread Classification:
g b
(Thread Class)
INT 2b
2. Change to U.S. External Thread Class 2:
b
eXT 2A
3. Change to U.S. External Thread Class 1:
1 g b
(Thread Class)
eXT 1A
4. Change to U.S. Internal Thread Class 1:
b
INT 1b
Changing a Metric Thread Classification
Changing a Metric Thread Tolerance Class is done in the same
manner, with several selections available for Internal and External
Threads.
KeYSTROKe
DISPLAY
g *
ALL CLeAred
1. Enter a Tolerance Grade of 4:
4 g b
(Thread Class)
INT
MM
4H
2. Toggle through the available Tolerance Positions for the
entered Grade:
b
eXT
MM
4G
b
eXT
MM
4H
b
eXT
MM
4e
b
eXT
MM
4f
b
INT
MM
4G
b
INT
MM
4H
