Thread ring gauges, manufactured in Pune.
A thread ring gauge checks an external thread, such as a bolt or a stud, against a GO and NOT-GO limit. Accusize manufactures thread ring gauges in Pune across metric, unified and parallel pipe thread standards, each supplied with NABL test certification.
| Family | Standard | Range | |
|---|---|---|---|
| Metric thread gauges | DIN ISO 1502 | Thread rings: 1 – 500 mm | View specifications |
| Unified thread gauges | ANSI/ASME B1.2 | Thread rings: No. 0 – 8 inch | View specifications |
| “G” pipe gauges | ISO 228-2 | Thread rings: G1/16 – G6 inch | 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 ring gauges
Which standards do Accusize thread ring gauges cover?
Metric threads to DIN ISO 1502, unified threads to ANSI/ASME B1.2, and parallel “G” pipe threads to ISO 228-2.
What size range is available?
Metric thread rings 1 – 500 mm, unified thread rings No. 0 – 8 inch, and G pipe thread rings G1/16 – G6 inch.
How does GO / NOT-GO acceptance work for a ring gauge?
The GO ring must screw fully onto the thread by hand, without excessive force. The NOT-GO ring must not screw on more than two turns from either end.
Do you make special or non-standard thread ring gauges?
Yes. Alongside standard thread ring gauges, we build non-standard and special gauges to drawing, to the size and feature agreed with you in advance.
Does every thread ring gauge come with a certificate?
Yes. Every thread gauge we supply, including thread ring 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 ring gauges?
Share your thread, standard or drawing and get the right acceptance class, certified.