Gimlet point. No. 2 square drive prevents bit from slipping. Special ribs under the head countersink into material for flush seating. Serrated thread design reduces installation torque and provides superior holding power. Corrosion-resistant finish prevents unsightly rust from bleeding into tile. Specifically designed and recommended for use with fiber cement backerboard. Common applications: Bathtub/shower, countertops, floors, sink blacksplash. No. 23411: Thread Type: Serrated, Thread Diameter: #9, Length: 1-5/8", Drive Type: Square, Head Type: Flat Head, Finish: Epoxy, Package Size: 5.25" H x 3.5" W x 2.38" D, Pkg Qty: 140, Package Type: Box No. 23401: Thread Type: Serrated, Thread Diameter: #9, Length: 1-1/4", Drive Type: Square, Head Type: Flat Head, Finish: Epoxy, Package Size: 5.25" H x 3.5" W x 2.38" D, Pkg Qty: 185, Package Type: Box No. 23416: Thread Type: Serrated, Thread Diameter: #9, Length: 1-5/8", Drive Type: Square, Head Type: Flat Head, Finish: Epoxy, Package Size: 5.25" H x 4.5" W x 5.25" D, Pkg Qty: 575, Package Type: Pail No. 23406: Thread Type: Serrated, Thread Diameter: #9, Length: 1-1/4", Drive Type: Square, Head Type: Flat Head, Finish: Epoxy, Package Size: 5.3" H x 4.5" W x 5.5" D, Pkg Qty: 750, Package Type: Pail
