42 — M
achinist
c
alc™
/ M
achinist
c
alc™
P
ro
3. Find the recommended Cutting Tap Hole Size (Cut Tap Drill
Size) and the Thread Outside Diameter (Minimum Major
Diameter):
t
(Cut Tap Drill Size)
TAP
DRILL SIZe
36
t
(Outside Diameter)
OD
SIZe
0.1380
INCH
* After entering the TPI value, the press of
t
is required in order to
store the entered Thread Size.
fractional Thread Size –
Model 4086
Enter a 1/2 Inch screw size and toggle through the available
common Threads per Inch (displayed in the upper-right corner of
the display) until 28 TPI is reached. Store the Thread Size and
toggle through the available Thread characteristics.
KeYSTROKe
DISPLAY
O O
0.
1. Enter the Thread Size:
1 / 2 t
SIZe
1/2 –
INCH
2. Toggle through the available common TPI values until 28 is
displayed:
t
THReD
SIZe
1/2 –
12
INCH
t
THReD
SIZe
1/2 –
13
INCH
t
THReD
SIZe
1/2 –
14
INCH
t
THReD
SIZe
1/2 –
16
INCH
t
THReD
SIZe
1/2 –
18
INCH
t
THReD
SIZe
1/2 –
20
INCH
t
THReD
SIZe
1/2 –
24
INCH
t
THReD
SIZe
1/2 –
27
INCH
t
THReD
SIZe
1/2 –
28
INCH
(cont'd)
KeYSTROKe
DISPLAY
