Wire Sizes And 3-Wire Measurements; Wire Size - Calculated Industries MACHINIST CALC PRO User Manual

(cont'd)
Calculate the Tap Drill Size for a M3.5 x 0.60 screw, then
change the Thread Grip Percentage to 50% and calculate the
new Tap Drill Size:
KeysTRoKe
g*
1. Enter the Thread Size and calculate the Cut Tap and Roll Tap
Drill Sizes:
3 . 5m t
. 6t
(Cut Tap Drill Size)
t
* (Roll Tap Drill Size)
t
2. Change the Thread Grip Percentage to 50% and calculate
the new Cut Tap and Roll Tap Drill Sizes:
50gt
t
(Cut Tap Drill Size)
t
* (Roll Tap Drill Size)
t
* Repeated presses of
starting with the Close Fit Drill Size.

WIRE SIzES AND 3-WIRE mEASuREmENTS

Wire size

If you know your Thread Size, you can find the Ideal,
Maximum and Minimum Wire Sizes you can use for that size
Screw Thread.
Find the Ideal, Maximum and Minimum Wire Sizes for
measuring a M1.60 x 0.35 Thread:
KeysTRoKe
O O
36 — M
achinist
(% Thread)
will toggle through the inputs and outputs,
t
c P
alc™ ro
all CleaRed
sIZe
$
THReD
sIZe
TaP
DRIll sIZe
R-TaP
DRIll sIZe
THRD%
$
THReD
sIZe
TaP
DRIll sIZe
R-TaP
DRIll sIZe
DIsPlay
3.5 –
MM
3.5 – 0.6
MM
2.9
MM
3.2
MM
$
50.
sIZe
3.5 – 0.6
MM
3.1
MM
3.3
MM
DIsPlay
0.