













🔧 Upgrade your fittings game with KOOTANS – where precision meets power!
KOOTANS 4pcs brass reducer bushings convert 3/8 NPT male threads to 1/4 NPT female with premium forged brass for durability and corrosion resistance. Designed with deep, accurate NPT taper threads, they ensure leak-proof connections under pressures up to 1200 psi and temperatures from -65°F to 250°F. Ideal for plumbing, compressed air, hydraulic, and gas applications, these hex bushings offer easy installation and reliable performance in demanding environments.














| ASIN | B07P5SBMSL |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #6,170 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #67 in Pipe Fittings |
| Brand | KOOTANS |
| Certification | ANSI B16, ASTM B584 |
| Color | NPT Size is the nominal pipe code, it does not represent the actual diameter. Please check the size chart before buying. |
| Connector Type | Reducer |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,338) |
| Date First Available | February 26, 2019 |
| Exterior Finish | Brass |
| Finish | Brass |
| Included Components | 3/8 NPT Male Thread to 1/4 NPT Female |
| Item Package Quantity | 4 |
| Item Weight | 1.6 ounces |
| Item model number | CA-3220CB-4 |
| Manufacturer | KOOTANS |
| Material | Brass |
| Measurement System | inch |
| Number of Pieces | 4 |
| Package Dimensions | 3.5 x 3 x 0.75 inches |
| Part Number | 3220CB |
| Size | 3/8 x 1/4 NPT (O.D x I.D: 5/8'' x 1/2'') |
| Thread Size | 3/8 NPT male and 1/4 NPT female |
| Thread Type | NPT |
| UPC | 681413583955 |
M**A
great price
High quality
S**R
Satisfied
Satisfied
M**Y
Works great
Good fittings
T**N
Proper fit
Seem to fit fine, no complaint
M**Y
Good value for the money
All shops need a variety like this
J**.
good stuff
great quality
J**Y
Packer didn’t seem to care about the end user
I’m happy with the product but not with how it car to me.
R**F
Perfect assortment
Great assortment! Exactly what I needed and enough left over for future projects.
S**N
They are good quality and work perfectly.
A**R
Well made. Nice conversion and fit.
I**G
Threads all work, no leaks.
B**E
Good for purpose.
I**N
Very pleased with purchase, well made and fits perfect for my DIY air compressor manifold build.
Trustpilot
1 week ago
1 month ago