6.Size: #12 X 2-1/2 inchFlat Head, Phillips DriveDesigned to attach wood to wood or hang items onto a wood structured fixtureFeatures a sharp pointed tipDepending on the application and type of wood, a pre-drilled pilot hole is sometimes neededThread Type: Deep, Point Style: SharpSpecification(s) Met: ASME B18.Wood Screw Flat Head Phillip Drive #12 X 2-1/2in Zinc Plated Steel 100PK Pilot holes are sometimes needed to avoid splitting the wood.1.