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Description
Thru-Hull Installation Tool
Thru Hull Installation Tool
The Concept:
THT-530 makes the installation of standard GROCO thru-hull fittings possible by a single installer. Slide the thru-hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to the eye and place it into the already-cut hole in the hull of the boat. Apply caulking to the flange of the fitting, and pull the fitting through the hole and against the hull from inside the boat. Thread the mono-filament through the locknut or seacock. With the fitting pulled firmly against the hull the locknut or the seacock may be screwed onto the fitting.
THT-530 fits GROCO Thru-hull Fitting Sizes from 1/2" through 3"
Accessories
No accessories listed for this product.
Specifications
| SKU | THT-530 |
| UPC | 742985102781 |
| Brand | GROCO |
| Category | Boat Outfitting |
| Country of Origin | CHINA |
| Weight | 1.2 |
| Dimensions | 10 x 5 x 5 |
| Status | Active |
| Last Synced | 10/10/2026, 2:06:33 AM |
Compliance & Shipping
Returnable
Product Literature
No literature or manuals available for this product.
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Frequently Bought Together
Compare Key Features
| Feature |  GROCO Thru-Hull Installation Tool CURRENT |  Weld Mount No Slide Metal/Composite Bonder |  Marine Formula by DeBond Corporation Marine Formula™ 10oz Aerosol |  Weld Mount AT-2010 Acrylic Adhesive |  Weld Mount AT-4020 Acrylic Adhesive |
|---|---|---|---|---|---|
| Price | $181.90 | $36.54 | $33.11 | $37.39 | $37.39 |
| Brand | GROCO | Weld Mount | Marine Formula by DeBond Corporation | Weld Mount | Weld Mount |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 1.2 | 0.2 | 0.85 | 0.1 | 0.1 |
| Dimensions | 10 x 5 x 5 | 5 x 2 x 1 | 7 x 3 x 3 | 4 x 2 x 2 | 5 x 2 x 1 |
| SKU | THT-530 | 8040 | MF10U | 2010 | 4020 |
| Country | CHINA | UNITED STATES | US | UNITED STATES | UNITED STATES |
| View Item | View Item | View Item | View Item | View Item |
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Frequently Asked Questions
Price
$181.90