These screws feature a Star Drive and a Type F Thread cutting point. The Star Drive is Torx® compatible and will help prevent stripping during installation. A predrilled pilot hole is recommended before installation.
Diameter/Pitch: 5/16"-18
Grade: Case Hardened Steel
Length: 3"
Finish: Phosphate & Oil
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full
Point Type : Type F - Thread Cutting
Wrench Size: T40
Recommended Predrill Hole Size: L
Part Number: 31C300SFBP