Backer-On #9 1-1/4 in. Serrated Head Star Drive Cement Board Screws
The Backer-On 1-1/4 in. Cement Board Screws (185-Pack) are designed for attaching HardieBacker or equivalent fiber cement backerboard to wood or light gauge steel studs. Backer-On's patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile. The Star drive recess with T-25 bit provides Stikfit for 1-handed installation.
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