Trailer Floorboard Flat Head Thread Cutting Screws:(##) pieces in 1 pound
Pre-drill your wood and into your truck/trailer frame. These Torx Drive Screws have a "Type F" thread cutting end that self threads into your steel frame. They have a tapered flat head to sit flush once installed. Please note you are buying by the pound so confirm your pieces when considering how much to purchase. (##) Number of pieces by the 1 pound increment.
1/4-20 Screws take Torx 30 Driver Bit 5/16-18 Screws take a Torx 40 Driver Bit
3/8-16 Screws take a Torx 40 Driver Bit