100pcs 516-18 x 3 Flat Head Floorboard Thread Cutting Screws, Type F, (Star - Six Lobe Drive), Black Phosphate Finish, Countersunk, T-40 Drive Alloy Steel

About this item
Trailer floorboard deck screws 516-18 x 3" flat head can secure wooden floors to truck trailers, and they can be used in many different applications such as those involving fastening heavy sheet metal, aluminum, castings, cast iron, brass, and plastics, to name a few.
Trailer deck screws material - hardened steel black phosphate oil coating - provides corrosion resistance.
Note-you will need a "T-40" driver. due the the torque required, you might want to pick a driver that you can use with a ratchet type wrench, whatever works for your application. you will also need to select the drill bit diameter to pre-drill holes, something slightly smaller that the fastener thread diameter for easiestbest results.
Work efficiently-they are perfect in floorboard fastening applications. the star drive provides better grip and less slippage compared to other drive types, allowing for easier and more efficient installation.
After-sales service-about trailer floorboard deck screws, if you have any suggestions or questions, you can let us know by email, we will reply you within 24 hours.