Is the gauge thread metric or English?
What thread do you want to thread on your request?. Often used in metric systems
It belongs to sealing pipe thread. There are tables available for download on the internet.
In domestic engineering, gauges generally use metric threads, such as M20*1.5, with M14*1.5 or M10*1 threads on some small gauges. In addition, some items may use inch threads, such as G1/2, small table diameter, G1/4 or G1/8. The above two are straight thread, is the end seal, installation needs to choose different gaskets according to different conditions. In addition, some use NPT thread by joint venture or foreign patent project, commonly used is 1/2 NPT, a small table size with 1/4 "NPT" NPT, 1/8, rarely used this is American Standard thread cone type buckle. This thread by thread sealing, without gasket. Domestic often winding Teflon belt, because the domestic NPT fastener processing accuracy is not high. The commonly used table diameter is 100150mm, and the small caliber is below 63mm.
