Parallel Pipe Thread Limit Ring Gauge (PF)

[Features]
· A screw gauge used for inspection of screws (G) primarily for mechanical connections that do not require sealing, newly created by JIS after introduction of the ISO gauge standard.
· The difference from the conventional pipe parallel thread gauge PF is as follows.
· Classification y/n.
· A screw gauge grade for female screws is not available.
· Male thread gauges are classified as Grade A or Grade B.
· Note that GR is for both Grade A and Grade B.
· The distinction between use for inspection and use for manufacturing has been eliminated for both through and blind sides.
· Determination of pass/fail for thread ring gauge.