Quantity 250 - 1/4" x 2.25" Head Self Tapping Trailer Deck Screw

• The 1/4" Diameter that has the 20 thread and T-30 Star Bit Drive head
• Extra Thick Screw Shoulder. This Means Strength!
• Self Tapping Screws
• Type F Thread Cutting - Coarse Full Thread 
• Protective Phosphate and Oil to help prevent rust
• 6 Lobe flat head screw - Hardened
• If you want a quality fastener, this is it. Strong shoulder and hardened to prevent stripping.
  
• RECOMMENDED PLATE THICKNESS - .247 inches- .253 inches | RECOMMENDED HOLE SIZE - .228 inches (#1 Drill Bit Size)
• The head design of Floorboard Screws provide a flush surface in countersunk holes. For this reason, 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