Equip your semi truck to be Ready for the Road Ahead , with the Komar 5/16" x 2-1/2" Screw Corp Flathead Floor Screws Torx, a key component that provides a secure connection between flooring materials and subfloors. To create a flush surface without any protrustions, this replacement bolt features a six-point star pattern that offers a higher torque transfer than traditional flathead or Phillips screws. Engineered with quality materials to deliver long-term reliability. FleetPride is your First Click in Heavy Duty .