120 Qty 1/4-20 x 2-1/2 Inch Type F Flat Head Thread Cutting Trailer Deck Screws,with T30 Star Drive Bit for Floorboard & Trailer Deck & Wood to Metal Applications

The trailer deck screws are made of high quality steel with excellent anti-corrosion coating on the surface, which can effectively protect the screws and prolong their service life.In the threaded part, we added a unique threading process, which can effectively reduce the resistance when drilling screws, with the self-tapping screw tail, without the need to cooperate with the drilling of holes, can be easily nailed into soft steel or aluminum. Reamer Tek screws are for applications where wood is being fastened to mild steel or aluminum，length of screw does NOT represent usable length of thread / thickness of wood - #14 x 2-3/4" Maximum wood depth ~1-1/2" - Maximum metal thickness screw can bore ~1/4" Easy Installation

• Heavy-Duty Trailer Floor Application: Engineered for trailers, utility trucks & heavy equipment flooring. Securely fasten wood, metal, or composite materials with vibration-resistant hold, even under extreme loads and repeated impacts.
• Thread Cutting Design: Sharp Type F tip and precision-cut threads bite into tough materials instantly, reducing installation time by 50% – perfect for both professionals and DIYers.
• Included T30 Star Drive System: Comes with 1 industrial-grade T30 star drive bit. Anti-camout grooves maximize torque transfer, eliminating stripped screws and frustration during high-pressure installations.
• Military-Grade Corrosion Protection: Black phosphate coating exceeds ASTM B633 standards, offering 3X more rust resistance than basic zinc plating. Withstands rain, snow, road salt, and harsh chemicals for years of service.
• Flush-Mount Safety Design: 80° flat countersunk head sits perfectly flush with surfaces. Eliminates snag hazards on cargo floors while maintaining structural integrity under heavy traffic.