






🔧 Upgrade your fittings game with KOOTANS – where precision meets power!
KOOTANS 4-piece brass reducer set converts 3/8 NPT male threads to 1/4 NPT female with expertly forged brass fittings. Designed for high-pressure (1200 psi) and extreme temperature (-65°F to +250°F) applications, these hex bushings deliver reliable, leak-resistant connections across plumbing, air, hydraulic, and gas systems. Engineered for professionals demanding durability and precision in every install.





| Manufacturer | KOOTANS |
| Part number | 3220CB |
| Item Weight | 45.4 g |
| Package Dimensions | 8.89 x 7.62 x 1.9 cm; 45.36 g |
| Item model number | CA-3220CB-4 |
| Size | 3/8 x 1/4 NPT (O.D x I.D: 5/8'' x 1/2'') |
| Color | NPT Size is the nominal pipe code, it does not represent the actual diameter. Please check the size chart before buying. |
| Finish | Brass |
| Material | Brass |
| Item Package Quantity | 4 |
| Number Of Pieces | 4 |
| Measurement System | inch |
| Specification met | ANSI B16, ASTM B584 |
| Included components | 3/8 NPT Male Thread to 1/4 NPT Female |
| Batteries Included? | No |
| Batteries Required? | No |
D**R
Perfect fit no leaks
Needed to connect an airline to a fitting worked perfectly
D**H
This is as expected
This is as expected working great
A**N
it doesn't reduce to 3/8" Wrong size
Size is incorrect! DON'T BUY, the 1/2" part is correct, but it doesn't reduce to 3/8"
J**R
basic brass reducer hex bushing
As describe a little on the expensive side but it's was what I needed for my project.
A**R
brass bushings
worked great, good thread engagement and sealed nicely
Trustpilot
1 day ago
2 months ago