G or R or BSP | Determination – Thread Types | Screw Joints | Technical information | BOLA - Tubing, Stirrer Shafts, Magnetic Stirring Bars - Labware made of PTFE
G Thread (Metric BSPP) Female to NPT Thread Male Pipe Fitting Adapter - Lead-Free, Pipe Fittings - Amazon Canada
Thread ID Made Easy. Learn All About Different Types of Threads
G Thread (Metric BSPP) Male to NPT Thread Female Pipe Fitting Adapter - Lead-Free Adapter (Four 1/2 inch) : Amazon.co.uk: DIY & Tools
Metric and NPT Connections for Pressure Gauges - WIKA blog