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Groove Width Profiles (GO/NO GO gage) - API 6A Seal Ring Groove Gage - BX and R-RX - Gagemaker Thread Measuring Instruments - Measuring Instruments
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Rtj Ring Groove Digital Calipers with 23 Degree Conical Points-Newly Designed - China Rtj Ring Groove Vernier Caliper, Ring Joint Caliper | Made-in-China.com
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Internal Diameter-Groove Gages - Internal Diameter-Grooves - Pin Seal Diameter Gages - Gagemaker Thread Measuring Instruments - Measuring Instruments
![Toolrunner Ltd on Twitter: "A Ball trammel Gauge is a comparator device for ring seal grooves in #valves and #flanges. http://t.co/rrGHIbPN5E" / Twitter Toolrunner Ltd on Twitter: "A Ball trammel Gauge is a comparator device for ring seal grooves in #valves and #flanges. http://t.co/rrGHIbPN5E" / Twitter](https://pbs.twimg.com/media/CQOHplCWwAAx0-G.jpg)
Toolrunner Ltd on Twitter: "A Ball trammel Gauge is a comparator device for ring seal grooves in #valves and #flanges. http://t.co/rrGHIbPN5E" / Twitter
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