Thread plug gauges, manufactured in Pune.
A thread plug gauge checks an internal thread, such as a tapped hole or a nut, against a GO and NOT-GO limit. Accusize manufactures thread plug gauges in Pune across metric, unified, parallel pipe and tyre-valve thread standards, each supplied with NABL test certification.
| Family | Standard | Range | |
|---|---|---|---|
| Metric thread gauges | DIN ISO 1502 | Thread plugs: 1 – 480 mm | View specifications |
| Unified thread gauges | ANSI/ASME B1.2 | Thread plugs: No. 0 – 8 inch | View specifications |
| “G” pipe gauges | ISO 228-2 | Thread plugs: G1/16 – G6 inch | View specifications |
| Valve thread gauges | ISO 4570 | Thread plug: 10V1 · ISO 4570 | View specifications |
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.
Questions about thread plug gauges
Which standards do Accusize thread plug gauges cover?
Metric threads to DIN ISO 1502, unified threads to ANSI/ASME B1.2, parallel “G” pipe threads to ISO 228-2, and tyre valve threads to ISO 4570.
What size range is available?
Metric thread plugs 1 – 480 mm, unified thread plugs No. 0 – 8 inch, G pipe thread plugs G1/16 – G6 inch, and the 10V1 valve thread plug to ISO 4570.
How does GO / NOT-GO acceptance work for a plug gauge?
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.
Do you make special or non-standard thread plug gauges?
Yes. Alongside standard thread plug gauges, we build non-standard and special gauges to drawing, including extra lengths, air grooves, pilots, depth steps and multi-start threads.
Does every thread plug gauge come with a certificate?
Yes. Every thread gauge we supply, including thread plug gauges, ships with a test certificate accredited by NABL to ISO/IEC 17025.
How do I request a quote?
Share the thread size, standard or a drawing on our quote page and we will confirm the class, availability and pricing within one business day.
Need thread plug gauges?
Share your thread, standard or drawing and get the right acceptance class, certified.