SKU: CW75342
UPC: 742985102781
MPN: THT-530
The GROCO Thru-Hull Installation Tool (Model THT-530) is a specialized device designed for marine professionals and serious boaters who require precision when installing thru-hull fittings. A properly sealed thru-hull installation is essential to prevent leaks that can lead to sinking, making this tool a critical investment for anyone working on marine vessels.
The THT-530 features a compact and durable design, weighing 1.2 pounds and measuring 5 x 5 x 10 inches, allowing it to fit into tight hull spaces where standard tools cannot operate effectively. Its engineered geometry applies force at the correct angle, preventing cross-threading and over-tightening, which can compromise the integrity of your hull seal.
Ideal for outfitting new vessels, replacing corroded thru-hulls, or upgrading underwater equipment, this tool is essential for marine professionals and DIY boat maintenance enthusiasts. It is specifically designed for use with GROCO thru-hull fittings, ensuring that installation tolerances meet marine standards.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.