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Internal Custom Thread Designer Standard UN
Block shown are light blue are editable
Nominal Diameter D
bsc
=
in
Thread Pitch P =
thrds / in
Thread Pitch P =
in
Thread Designation
UN
UNC
UNF
UNEF
Thread Class =
1B
2B
3B
Length of Thread Engagement LE =
Pitches
Calculated Thread Data
Thread Designation
Max. Major Dia. D
max
=
-
in
Min. Major Dia. D
min
=
in
Max. Pitch Dia. D
2
max =
in
Min. Pitch Dia. D
2
min =
in
Max. Minor Dia D
1
max =
Min. Minor Dia D
1
min =
in
Height Triangle H =
in
Double height UN Thrd 2h
n
=
in
Tolerance Data
Allowance
es =
in
Major Dia. Tolerance Td =
in
external thread addendum 2h
b
=
in
External Pitch Tolerance Td
2
=
in
Internal Pitch Tolerance TD
2
=
in
Minor Dia. Tolerance Td
1
=
in
Calc. Length of Thrd Engagement LE =
in
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