Our Standard Bronze Mushroom thru-hulls have thick walls and are machined with straight pipe thread that transitions to tapered pipe thread at the neck's end. This thread setup is compatible with practically any Thru-Hull piping or valve without the use of adapters.
- Naval bronze construction for increased durability in the harsh marine environment
- Ideal for use with various hull thicknesses due to generous neck lengths threaded close to the flange
- The back of the flange has a machined sealant groove which prevents leakage
- Compatible with virtually any piping or valve Thru-Hulls without the need for adapter connections
- Includes flanged jam nut
- Internal wrench lugs to aid in nut tightening during installation
- Available in (2) different sizes