Meets F.I.P.-1000.7 for torsional strength and drill speed. Ceramic coating provides protection from corrosion. Nibs under head clamp board firmly.

Meets F.I.P.-1000.7 for torsional strength and drill speed. Ceramic coating provides protection from corrosion. Nibs under head clamp board firmly.

Meets F.I.P.-1000.7 for torsional strength and drill speed. Ceramic coating provides protection from corrosion. Designed to work with all backer boards. Nibs under head clamp board firmly.

Meets F.I.P.-1000.7 for torsional strength and drill speed. Ceramic coating provides protection from corrosion. Wings ream hole in board preventing "jacking action." Nibs under head clamp board firmly.

Fasten fiber cement through furring strips to wood or steel studs. #2 square drive wafer head. Self-countersinking nibs under head insure seating of screw head flush with work surface. Threaded to within 5/16 " of top of head. Drilling thickness capacity: up to 0.142" (118 mils or 10 ga .).

Fasten fiber cement through furring strips to steel studs. #2 square drive wafer head, #3 drill point. Self-countersinking nibs under head insure seating of screw head flush with work surface. Threaded to within 5/16 " of top of head. Drilling thickness capacity: up to 0.142" (118 mils or 10 ga .).