T-H Marine is your premier choice for durable thru-hull fittings designed specifically for the marine environment.
As the leading supplier of marine thru-hull fittings in the U.S.A., we pride ourselves on offering the highest quality products, preferred by more OEM boat builders than any other brand.
Our thru-hull fittings made of plastic are meticulously molded from the finest virgin material, ensuring exceptional strength, consistent sizing, and an elegant appearance to enhance your boat's aesthetic.
Crafted with UV-stabilized materials, our fittings provide unparalleled durability and longevity against the harshest environmental conditions.
Trust T-H Marine to protect your valuable investment with our robust products that resist wear and tear.
Installation is simple and secure with our hose barb fittings, developed in partnership with leading hose manufacturers.
This precision engineering guarantees a flawless connection, allowing you to complete your installations trouble-free and with confidence.
Among our product range, our standard 90-degree thru-hull fittings offer an innovative finished head design paired with a smart pass-around nut, enhancing your setup's functionality and appearance.
For added versatility, our dual nut options, such as the TH-90 and TH-92, are designed to accommodate various mounting thicknesses, making them ideal for topside installations.
If you encounter tight spaces, our spanner head thru-hulls like the TH-7590S and TH-1290S facilitate easy access from the top, ensuring you can tighten fittings even in challenging conditions.
For compact applications, our low clearance thru-hull fitting is engineered to maintain high performance without the bulk, featuring a unique two-piece design for maximum adaptability.
Additionally, our flat head, open throat 90-degree drain fittings—the APD-190F and APD-290F—provide exceptional drainage capabilities, ensuring water evacuation without the need for a sump.
Complement these fittings perfectly with the PP-118 plug.
T-H Marine also offers a comprehensive selection of OEM marine parts in various bulk packaging options—ideal for OEMs and distributors alike.
Whether you're undertaking boat construction or seeking reliable replacement fittings, our extensive range guarantees efficient solutions tailored to your needs.
Invest in T-H Marine’s plastic thru-hull fittings, where quality meets functionality.
Your marine projects deserve nothing less than the best, so explore our superior products today and enjoy the benefits of longevity and reliable performance on every outing.
Trust T-H Marine for all your thru-hull fittings needs and experience the difference that comes with superior quality.
