Description
Coilhose B0604 is a brass male hose barb fitting for connecting 3/8 inch inside diameter hose to a 1/4 inch male pipe thread port. It is a small part, but it matters when a pneumatic hose, manifold, or tool connection has to seal cleanly and go back into service without delay.
Coilhose B0604 Fitting Details
The manufacturer listing identifies this part as a male hose barb fitting with a 3/8 inch ID hose side and 1/4 inch MPT thread side. Coilhose notes that its brass hose barbs provide a male pipe to hose barb connection. That makes this fitting a practical replacement item for shop air assemblies, fluid transfer setups, and maintenance kits where the hose size is known and the threaded connection needs a rigid brass barb.
- 3/8 inch hose barb side for matching hose inside diameter.
- 1/4 inch male pipe thread side for threaded ports and adapters.
- Brass construction suits routine pneumatic fitting work.
- Compact straight fitting keeps the hose path simple.
Coilhose B0604 Shop Uses
Keep this fitting on hand for air hose repairs, bench tool hookups, hose reel service, and quick replacement of worn barbs. It also helps when a production cell needs a simple transition from flexible hose to a threaded component. For best results, confirm the hose ID, thread form, and clamp or ferrule method before assembly. A properly matched hose and clamp help prevent leaks, hose pull-off, and avoidable downtime.
Specifications
| Brand | Coilhose Pneumatics |
| SKU | COI-B0604 |
| Manufacturer part | B0604 |
| Fitting type | Male hose barb fitting |
| Hose side | 3/8 inch hose ID |
| Thread side | 1/4 inch male pipe thread |
| Material | Brass |
For adjacent pneumatic fittings, repair parts, and shop hardware, browse Chemical Concepts hardware. For manufacturer background, visit Coilhose Pneumatics.
Need help checking hose size or fitting compatibility before ordering? Call (800) 220-1966 or email [email protected].





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