5/16-18 x 2-1/2" Trailer Deck Screws (300 Pack) | T40 Torx Star Drive for Wood to Metal | Flat Head, Self Tapping Floorboard Screws

KATUNA Trailer Deck Screws are your heavy-duty fastening solution. Made from high-strength steel, the T30 Torx Star Drive provides superior torque and anti-stripping protection for a secure hold. Engineered for wood-to-metal self-tapping—no pre-drilling required. The flat head ensures a flush, professional finish for trailer flooring, equipment mounting, and construction projects.

• Standard Specs: 5/16-18 thread, 2-1/2" length. Flat head design allows screw to sit flush with the surface for a clean, finished look.
• T40 Star Drive (TORX): Provides superior torque for a stronger, more secure fastening than Phillips or slotted drives. The 6-point star design prevents stripping and bit cam-out, ensuring reliable installation.
• Wood-to-Metal Self Tapping: Engineered to securely fasten wood, plywood, or other lumber to metal frames and studs without pre-drilling, saving you time and effort on the job.
• Versatile Applications: Ideal for deck building, trailer flooring, equipment mounting, general carpentry, and any construction or repair project requiring a strong wood-to-metal connection.
• Heavy-Duty & Reliable: Made from high-strength steel to ensure a durable and lasting hold even under heavy loads. A dependable choice for both professional contractors and DIY enthusiasts.