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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T-H Marine Drain 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

Product ID: 1708003

Details

Brand
T-H Marine
Color
Black
Item Weight
18.14 g
Material
Polypropylene
UPC
733572018400

⚓Marine-grade polypropylene durability

🔩Self-retaining screw-type design

🛡️O-ring seal for leak-proof security

NT$778

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚓ Secure your boat’s flow with leak-proof confidence!

LEAK PROOF CONFIDENCE - Threaded seal with chemically inert O-ring ensures vibration-resistant, watertight performance every time.
EFFORTLESS INSTALLATION - Fits standard 1-inch holes and secures with common No. 8 screws for quick, hassle-free setup.
NEVER LOSE YOUR PLUG AGAIN - Self-retaining screw design keeps the plug attached, eliminating accidental drops and loss on the water.
BUILT TO BRAVE THE ELEMENTS - Marine-grade polypropylene construction resists corrosion and stands up to harsh marine environments.
VERSATILITY THAT KEEPS YOU READY - Perfect for transoms, livewells, bait tanks, coolers, and water tanks—your all-in-one marine drain solution.

The T-H Marine Drain Plug is a durable, self-retaining screw-type plug designed for 1-inch holes, featuring a chemically inert O-ring seal that prevents leaks even under vibration. Made from corrosion-resistant polypropylene, it’s ideal for marine applications including transoms, livewells, and coolers, ensuring reliable, easy installation and long-lasting performance.

Specifications

ASIN	B0000AY0BX
Best Sellers Rank	#73,369 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #225 in Boat Deck Hardware
Brand Name	T-H Marine
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (604)
Global Trade Identification Number	00733572018400
Included Components	Drain plug
Item Type Name	Drain Plug
Item Weight	18.14 g
Manufacturer	T-H Marine
Manufacturer Part Number	DP-1-DP
Manufacturer Warranty Description	Limited manufacturer.
Material Type	Polypropylene
Model Number	3001.57
Number of Items	1
Number of Packs	1
UPC	733572018400 751738988473
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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