Tapered threaded plug gauges for pipes have a difference in the number of notches.
R is 2 stages, PT is 1 stage.
[Difference in tapered thread gauge for pipes < plug >]
Gauge Symbols |
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Tapered threaded plug gauges for pipes have a difference in the number of notches.
R is 2 stages, PT is 1 stage.
[Difference in tapered thread gauge for pipes < plug >]
Gauge Symbols |
The limit gauge for insert screws is the limit gauge for inserting inserts (helisate).
HL-LG is a unique symbol for OSG. The limit gauge is a set of GO and one on the stop side.
The difference from a normal thread gauge is that the plug gauge for insert screws is indicated with an H in the circle after the size .
The figure below shows the positional relationship between the tolerances of each effective diameter in thread accuracy and thread gauge accuracy.
Positional relationship between thread accuracy and thread gauge accuracy M6×1 6H, 5H, 2nd class
Unified Thread Ring gauge What is the difference between 2A and 3A?
2A and 3A are the external thread accuracy ratings for unified threads.