Trailer Deck and Floor Screws 5/16-18 x 2-1/2 In Type F Floorboard Thread Cutting Flat Head Star Drive T-40 Black Phosphate Wood to Metal Heavy Duty 100 Pack

5/16-18 x 2.5 in Type F Deck Screws for Wood-to-Metal Frames
✔️ 5/16-18 Type F thread-cutting, Torx T-40, flat head, black phosphate

These deck screws are designed to fasten wooden decking to metal trailer frames and cross-members. They’re ideal for securing apitong hardwood decking, oak, and treated lumber to steel cross-members and C-channel frames on trailers and truck beds.

✅ 5/16-18 size with Type F thread-cutting point requires pre-drilled pilot hole
✅ Torx drive reduces cam-out on installation
✅ Flat countersunk head sits flush with deck surface
✅ Alloy steel with black phosphate finish offers corrosion resistance
✅ 100 pack available for bulk trailer projects

💡 What is a Type F deck screw used for in trailer deck installations?

- These handy fasteners are used to secure wood decking to metal trailer frames for a tight, vibration-resistant bond - Pilot hole: 9/32" bit recommended for steel cross-members; H-bit for aluminum frames - Type F thread-cutting forms tight threads as it seats to prevent loosening under vibration - Torx T-40 drive helps minimize cam-out and keep installation quick and consistent