Fractional Thread Size - Calculated Industries 4088 User Manual

fractional thread size

Find the available Internal and External Thread characteristics
for a 1/4 Inch, 28 TPI screw:
1. Verify Thread Class is set to 2B:
gt (Thread Class)
2. Enter the Thread size:
3. Enter the TPI and store the final Thread size:
4. Find the available Internal Thread characteristics:
t
t
t
t
g* all cleareD
1/4t
28t
t
t
t
pitch DiaMeter
Min
MaJor DiaMeter
Max
MaJor DiaMeter
Min
Minor DiaMeter
Max
U.s. int. threaD
2b
threaD siZe
2b
threaD siZe
2b
threaD pitch
tap Drill siZe
#3
roll tap Drill
User's Guide — 45
0.140 inch
0.163 inch
0.157 inch
0.126 inch
0.
2.
0.25 - inch
0.25 - inch
28
0.036 inch
0.213 inch
5.900 MM
(cont'd)