Source M10 Chrome Internal Threaded Tube Hollow Female Thread Rod on m.alibaba.com
Sanitary Female Threaded | Pipe Fitting | to TRI CLAMP
Horiznext npt 1/2 (means the inner diameter of the thread is 3/4 inch) cast female taper threaded pipe coupling, stainless steel 304 coupler for mush tun cooler and shower hose, 2 pcs - Amazon.com
Tilta Threaded 19mm Rod (Black, 18", Single) R19-450-B B&H Photo
2in. Unfinished Aluminum Pipe with 1/8ips. Female Threaded Ends
Testrite Instrument Co., Inc. | Threaded Connector (low cost)