Set Of 200 5/16-18 By 3 Inch Flat Head Trailer Floorboard Deck Screws With T40 Torx Drive Coarse Thread Plain Steel Finish For Durable Marine And Utility Decking

Durable 5/16-18 x 3 in flat head deck screws for marine decks
✔️ 5/16-18 Coarse, 3 in length, Type F full, T40 Torx, finish, 200 pcs

Flat Head Trailer Floorboard Screws are built for securing deck boards on trailers and marine decking, delivering a strong, weather-ready hold in outdoor environments.

✅ Diameter/Pitch: 5/16-18
✅ Length under head: 3 in
✅ Thread: Type F coarse, full thread
✅ Drive: T40 6 Lobe
✅ Material: Case hardened steel, plain & oil finish
✅ Quantity: Set of 200

💡 What is a handy 5/16-18 flat head deck screw used for in marine flooring and trailer decks?

These screws are handy for securing deck boards on trailers and boats, delivering a strong, weather-ready hold.

- 5/16-18 deck screws for trailer floorboards and marine decking
- Type F coarse thread for fast bite into exterior wood
- T40 Torx drive enables easy installation with common bits
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