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

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

234 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

⚓ Plug in peace of mind — secure, leak-proof, and built to last!

LEAK PROOF CONFIDENCE - Threaded seal with chemically inert O-ring ensures vibration-resistant, watertight performance.
STAY SECURE STAY READY - Self-retaining screw plug prevents loss and accidental drops—never fish for your plug again.
BUILT TO BRAVE THE ELEMENTS - Marine-grade polypropylene resists corrosion and wear for long-lasting reliability.
VERSATILITY MEETS PERFORMANCE - Perfect for transoms, livewells, bait tanks, coolers, and more—your all-in-one marine drain solution.
UNIVERSAL FIT INSTANT INSTALL - Fits standard 1-inch holes and mounts easily with common No. 8 screws (not included).

The T-H Marine Drain Plug is a self-retaining, screw-type drain plug designed for 1-inch holes, featuring a chemically inert O-ring seal for leak-proof, vibration-resistant performance. Constructed from durable marine-grade polypropylene, it offers corrosion resistance and versatility for use in boat transoms, livewells, bait tanks, coolers, and water tanks. Easy to install and engineered to stay attached, it prevents loss and ensures reliable drainage in demanding marine environments.

Specifications

ASIN	B0000AY0BX
Best Sellers Rank	#45,001 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #108 in Boat Deck Hardware
Brand Name	T-H Marine
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (600)
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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234 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Morocco.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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