Description
- Accurate and strictly follow US NPT thread standard
- 18 thread per inch, 60 thread angle
- fine polished flange, for high vacuum
- Made of Stainless Steel 304
- 3/8" Female NPT X KF25 Flange adpater
1. True & Accurate 3/8" NPT US standard., 2.18 threads per inch 60 degree tapered. 3. Self sealing with PTFE tape or liquid sealant.