Plain plug & ring gauges — detail
Gauge family 10 / 11

Plain plug & ring gauges, manufactured in Pune.

IS 3455Plain plug & ring · IS 3455 (I.S. / B.S. / DIN)

Plain plug and ring gauges: GO gauges in tungsten carbide and NO-GO in steel, in Reversible and Trilock styles. Custom diameters from 1–400 mm to I.S., B.S. and DIN standards.

Reversible
Ø0.5 – 8 mm
Trilock / custom
Ø1 – 400 mm
Representative sizes & classes
StyleRangeMaterial
ReversibleØ0.5 – 8 mmCarbide / steel
TrilockØ8 – 100 mmCarbide / steel
Trilock plate & paddleØ100 – 400 mmCarbide / steel

GO gauge

Enters and passes the complete length of the thread, screwed by hand without excessive force.

NOT-GO gauge

May not enter more than two turns from either end, screwed by hand without excessive force.

Finished on our cylindrical and surface grinders, verified on TRIMOS H4 before every certificate is issued.

Common questions

Questions about Plain plug & ring gauges

What is a plain plug & ring gauges?

Reversible & Trilock plug gauges in tungsten carbide & steel, to I.S., B.S. and DIN.

Which standard does it follow?

Manufactured to IS 3455.

What range is available?

Available ranges: Reversible Ø0.5 – 8 mm; Trilock / custom Ø1 – 400 mm.

How does GO / NOT-GO acceptance work?

The GO member must enter and pass the complete length of the thread by hand, without excessive force. The NOT-GO member may not enter more than two turns from either end.

How do I request a quote?

Share the thread size and standard on our quote page and we will confirm class, availability and pricing within one business day.

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Need plain plug & ring gauges?

Share your thread, standard or drawing and get the right acceptance class, certified. We supply across India and take enquiries from outside India too, see where we supply.