BACKER-ON HARDIBACKER FASTENER
Use with Hardibacker backer boardDense-material, fiber cementRequires Bracker-On type of fastener#2 square drive-heads for reduced cam-outUltra thin at .375" seats flushRolled Gimlet is easy start in dense board#10 size for increased strength in dense boardPatented, serrated design w/lower install torque500 ct Box