Internal Thread - Calculated Industries 4088 User Manual

The following specifies the entry ranges that the calculator
allows for the Thread Size and TPI/Pitch values for numeric,
fractional and metric Thread Sizes:
thread size
Numeric 0, 1, 2, 3, 4, 5, 6, 8,
10, 12, 14
Fractional 0.06" to 6"
Metric 1.6 mm to 300 mm
Note:
Entries outside of the ranges mentioned above will result in an
Entry Error.
The following tables list the available Thread characteristics
provided by the Thread Size function. Note that there are two
separate listings, one for Internal Threads and one for External
Threads. The listing shown within the Thread Size function
is determined by the set Thread Classification (see Thread
Classification section).

INTErNal ThrEaD

Thread Size
Thread Pitch*
Cut Tap Drill Size**
Roll Tap Drill Size**
Close Fit Drill Size**
Free Fit Drill Size**
* Thread Pitch is only displayed for Numeric and U.s. Thread sizes.
** If the resulting hole size is greater than 2 Inches or 50 mm, the
actual hole size will be displayed instead of adjusting to the closest
Drill size.
tpi/pitch
less than 100
less than 100
less than or equal to 10
Minimum Pitch Diameter
Maximum Pitch Diameter
Minimum Minor Diameter
Maximum Minor Diameter
Minimum Major Diameter
User's Guide — 39