Threads
Calculating of sizes and tolerances
SOFTWARE
Threads
- metric
- trapezoidal
Gauges for checking threads
To take full advantage of this site turn on Javascript.
Trapezoidal thread
1. THREAD
»
2. PITCH, TOLERANCE CLASS, NUMBER OF STARTS
»
3. RESULTS
Select pitch and tolerance class for thread Tr10:
Pitch
1,5
2*
acc. to ISO 2902:1977
Remarks:
#*
- first choice (choose for preference)
#
- second choice
Tolerance class
inessential
7c
7e
8c
8e
9c
9e
inessential
7H
8H
9H
acc. to ISO 2903:1993
Remarks:
##
- first choice (recommended tolerance classes)
##
- second choice
Number of starts
1
2
3
4
5
6
7
8
9
10