Gauges Q&A
- What is the effective diameter of a screw?
- In a taper thread plug gauge for pipes, there are two notches on the R thread taper thread plug gauge.
- How to hold the inspection plug when inspecting thread ring gauges
- How to check the dimensions and tolerances of thread gauges
- What are inch threads called and what do they mean?
- What do the gauge symbols (GP, NP, PP, etc.) in thread gauges mean?
- I want to control the thread depth. How should I measure it?
- I want to know how to properly store plug gauges.
- Please tell me about screw grades.
- In the incoming inspection of a new thread ring gauge, is it defective if the fit inspection screw plug gauge that we have does not fit?
- Why doesn't a threaded thread plug gauge (GP) pass even though it is a new threaded ring gauge (GR)?
- What is the difference between conventional metric thread gauges and Unified Thread Gauges for inspection and machine work?
- It was pointed out that the thread ring gauge would not fit through the incoming inspection of the threaded part. We do not use thread gauges during production, but the outside diameter and effective diameter are machined in accordance with JIS standards.
- We have acquired and maintained ISO9001 certification, but do we need to use ISO-standard thread gauges for the thread gauges we use in the future?
- I would like to know about the inspection method (pass/fail judgment).
- What kind of screw gauges are standard screw gauges? Please also tell us about its usage.
- Please tell us what types of parallel threads and tapered threads for pipes are currently in use.
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