![Item # 3020ALBN, Aluminum 3 Inch (in) Female BSP x 2 Inch (in) Male NPT Size Thread Reducer Fitting On Seal Fast, Inc. Item # 3020ALBN, Aluminum 3 Inch (in) Female BSP x 2 Inch (in) Male NPT Size Thread Reducer Fitting On Seal Fast, Inc.](http://products.sealfast.com/Asset/C101SC-3030ALBN.jpg)
Item # 3020ALBN, Aluminum 3 Inch (in) Female BSP x 2 Inch (in) Male NPT Size Thread Reducer Fitting On Seal Fast, Inc.
![BSP Threads are internationally adopted threads to connect and seal pipes and fittings. So nice and simple? - U-Bolts-R-Us / Graphskill Ltd Blog BSP Threads are internationally adopted threads to connect and seal pipes and fittings. So nice and simple? - U-Bolts-R-Us / Graphskill Ltd Blog](https://u-bolts-r-us.co.uk/img/cms/BSP/bsp-1-4-female-hexagon-blank-cap-cup-t316-a4-marine-grade-stainless-steel.jpg)
BSP Threads are internationally adopted threads to connect and seal pipes and fittings. So nice and simple? - U-Bolts-R-Us / Graphskill Ltd Blog
![BSP Thread Size Information | BSPT | British Standard Pipe Thread | Stevenson Plumbing & Electrical Supplies BSP Thread Size Information | BSPT | British Standard Pipe Thread | Stevenson Plumbing & Electrical Supplies](https://www.stevensonplumbing.co.uk/images/source/spes/halfinchthread.jpg)