VERMONT GAGE, M8 x 1.25 Thread Size, Go/No-Go (Plus/Minus), Threaded Ring Gauge - 39UJ64|362120530 - Grainger
![How To Use NPT Thread Gages - The Gage Store - The Worlds Largest Selection of Measurement Tools and Accessories. How To Use NPT Thread Gages - The Gage Store - The Worlds Largest Selection of Measurement Tools and Accessories.](https://www.thegagestore.com/docs/HowToUse/Thread_Gages/NPT_NPTF_Thread_Ring_gage.jpg)
How To Use NPT Thread Gages - The Gage Store - The Worlds Largest Selection of Measurement Tools and Accessories.
![SPI - Threaded Ring Gage: M16 x 2.00 Thread, Metric, Class 6G, Go - 75890483 - MSC Industrial Supply SPI - Threaded Ring Gage: M16 x 2.00 Thread, Metric, Class 6G, Go - 75890483 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/7589048-24.jpg)
SPI - Threaded Ring Gage: M16 x 2.00 Thread, Metric, Class 6G, Go - 75890483 - MSC Industrial Supply
![How To Use NPT Thread Gages - The Gage Store - The Worlds Largest Selection of Measurement Tools and Accessories. How To Use NPT Thread Gages - The Gage Store - The Worlds Largest Selection of Measurement Tools and Accessories.](https://www.thegagestore.com/docs/HowToUse/Thread_Gages/NPT_L1_Ring_Gage.jpg)