Fastenmaster 6 In. Timberlok Structure Screws, 50 Pc are designed for heavy-duty applications where strength and reliability are essential. These screws require no pre-drilling and feature a countersinking head style for a clean finish. Heat-treated for increased strength and durability, they have heavy-duty threads that provide exceptional holding power while still being easily removable when needed. Engineered to drive effortlessly through pressure-treated beams, these screws work with a 1/2" high torque, low RPM power drill. Included is a 5/16" hex drive bit for convenience. Made of carbon steel with an epoxy-coated black finish, these screws combine toughness with corrosion resistance. The package contains 50 screws, each 6 inches in length, with a 0.26" thread diameter and countersunk hex washer head for secure fastening. Model Number: FMTLOK06-50