Oval Garboard Drain Plug For One Inch Hole Marine Stainless Steel Plug With Three Quarters Inch Thread Waterproof O Ring And Screws 316 Stainless Steel Two Layer Thread Retention
✔️ 316 stainless steel, for 1 inch hole, two-layer thread retention
This marine drain plug is made from 316 stainless steel to resist saltwater corrosion and provide a reliable watertight seal for garboard drains. It fits a 1 inch hole and uses an O-ring along with a two-layer thread retention to stay secure during towing or heavy seas, while reducing the chance of losing the plug.
✅ Thread OD 3/4 in (19 mm); fits 1 in hole; back mount depth 0.55 in (14 mm)
✅ Surface length 2.0 in (50 mm); width 1.5 in (38 mm); thickness 0.16 in (4 mm)
✅ Material: 316 stainless steel for corrosion resistance
✅ Includes O-ring and 2 screws in kit
✅ Two-layer thread retention keeps plug from getting lost
💡 What is a common use for a marine drain plug with two-layer thread retention? This handy explanation covers core benefits:
- Handy for bilge drainage during tow or storage
- 316 stainless steel resists saltwater corrosion
- Two-layer threads keep the plug secure and easy to retrieve