What size and length screws need to be used to install to the transom?

If your transom is 2 inches thick, you need the next size smaller than 2 inches. If your transom is only an inch thick, don't install it at all, because your boat will sink. Cheers!

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⚓ Plug In, Lock Down, and Sail On with Confidence!

FITS LIKE A GLOVE - Designed for standard 1-inch holes with easy installation using common No. 8 screws (not included).
LEAK PROOF SEAL ALWAYS - Chemically inert O-ring combined with tight threads guarantees zero leaks, even under heavy vibration.
BUILT TO BRAVE THE ELEMENTS - Marine-grade polypropylene construction resists corrosion and stands up to harsh water conditions.
STAY SECURE STAY CONFIDENT - Self-retaining screw design keeps your plug attached—no more lost plugs mid-adventure.
VERSATILITY THAT MATCHES YOUR LIFESTYLE - Perfect for transoms, livewells, bait tanks, coolers, and water tanks—one plug, endless uses.

The T-H MarineDrain Plug is a durable, self-retaining screw-type drain plug designed to fit standard 1-inch holes. Made from corrosion-resistant polypropylene and featuring a chemically inert O-ring seal, it ensures a leak-proof, vibration-resistant fit ideal for marine applications such as transoms, livewells, coolers, and tanks. Its waterproof flange and rugged construction make it a reliable choice for any boating enthusiast seeking hassle-free water drainage solutions.

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B/.63

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Panamastore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Material	Polypropylene
Brand	T-H Marine
Color	Black
Item Weight	0.04 Pounds
UPC	733572018400 751738988473
Global Trade Identification Number	00733572018400
Number of Items	1
Item Package Dimensions L x W x H	6.5 x 3.5 x 1.57 inches
Package Weight	0.02 Kilograms
Item Dimensions LxWxH	8 x 6 x 4 inches
Brand Name	T-H Marine
Warranty Description	Limited manufacturer.
Model Name	Drain Plug
Suggested Users	unisex-adult
Manufacturer	T-H MARINE SUPPLIES LLC-HUNTSVILLE
Part Number	DP-1-DP
Included Components	Drain plug
Sport Type	Boating

T-H MarineDrain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks

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