5/16-18 x 3 1/2" self-tapping trailer deck screws, flat head, Type F, T-40 star drive
Self-tapping screws designed for wood and metal deck installations. Hardened steel with black phosphate and oil coating for corrosion resistance; Type F point for efficient thread cutting. Customer insight notes easy installation and durable performance, with positive feedback on quality and value
Highlights
- Type F self-tapping point
- wood & metal threading
- rust-resistant coated steel
Pros
- self-tapping with Type F point
- works with wood and metal
- hardened steel with rust resistance
- ease of installation
- durable for heavy-duty use
Cons
- mixed confirmation on self-drilling capability
Best For
Features
- Self-tapping Type F point enables thread cutting into wood and metal
- Flat head deck screws for trailer floor with 5/16-18 x 3 1/2" size
- Hardened steel construction with black phosphate and oil coating for corrosion resistance
- Star drive (Torx) design minimizes slippage for higher torque during installation
