120-Piece Brass Compression Insert And Sleeve Fitting Kit For Plastic And Copper Tubing, Outer Diameters 1/8, 3/16, 1/4, 5/16, 3/8, 1/2 Inch, Includes 20 Pieces Of Each Size For Easy Installation And Reliable Seal
✔️ 120pcs set: 20 inserts per size for 1/8 to 1/2 in tubes
This brass compression insert set lets you quickly connect plastic and copper tubing in air, water, fuel, and oil lines. It's handy for DIY plumbing projects and automotive setups where reliable, tool-free connections speed up work.
| Size (in) | OD (mm) | OD (in) |
|---|---|---|
| 1/8" | 3.18 | 0.125" |
| 3/16" | 4.76 | 0.1875" |
| 1/4" | 6.35 | 0.25" |
| 5/16" | 7.94 | 0.3125" |
| 3/8" | 9.53 | 0.375" |
| 1/2" | 12.70 | 0.5" |
This brass compression insert set helps you fasten lines across common tubing sizes, delivering a tight seal with minimal effort. The brass material offers corrosion resistance and good performance over a wide temperature range, making it suitable for many everyday projects.
✅ Material: solid brass for corrosion resistance and reliable temperature tolerance
✅ Tube compatibility: supports plastic and copper tubing across six standard OD sizes
✅ Size coverage: 1/8", 3/16", 1/4", 5/16", 3/8", 1/2" (OD)
✅ Total count: 120 pieces (20 per size) for quick replacements and repairs
💡 What is a brass compression insert used for in tubing installations? Brass compression inserts are handy components that secure plastic or copper tubes to fittings without soldering. - Handy for quick, secure connections in air, water, fuel, and oil lines - Works with 1/8" to 1/2" OD tubes (3.18 mm to 12.70 mm) - Corrosion-resistant brass with solid temperature tolerance - Simple, tool-free assembly for fast repairs