Calculated Industries 4087 User Manual - 44 — M

44 — M

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3. Enter a Tolerance Grade of 6 and toggle through the available 

Tolerance Positions for the entered Grade:

6 g b

(Thread Class)

INT 

MM

 6H 

b

eXT 

MM

 6G 

b

eXT 

MM

 6H 

b

*

eXT 

MM

 6e 

* Repeated presses of 

b

 will continue to toggle through the available 

Tolerance Positions of the specified Grade.

Note: The number 3 can be entered to select both U.S. and Metric 

classes. If no Thread Size is stored when accessing the Thread 

Classification function, the U.S. Class will always be displayed. In order 

to select a Tolerance Class with a Grade of 3 for a Metric Thread Size, 

the Metric Thread Size must be stored prior to accessing the Thread 

Classification function.

Numeric Thread Size 

Enter a #8-32 screw and toggle through the available Internal 

Thread (Class 2B) characteristics, then switch to External 

Thread (Class 2A) and toggle through the available Thread 

characteristics.

Note: The default U.S. Thread Class is 2B (Internal). To view the 

current Thread Class, press 

g b

. To change the class, press 

b

again.

Thread Size calculations for Pitch, Major, and Minor Diameter 

attributes are compliant with ANSI/ASME B.1.1-2003 and ANSI/ASME 

B.1.13M-2005.

KeySTROKe

DISPLAy

g *

ALL CLeARed

1. Verify Thread Class is set to 2B:

g b

(Thread Class)

INT 2b

KeySTROKe

DISPLAy

(cont’d)