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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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

R452

Duties & taxes incl.

South Africastore

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TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Fantastic experience overall. Will recommend to friends and family.

1 month 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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