Buildex Backer-On #9 x 1-1/4 In. Cement Board Screw (750 Ct.) Pack options:Pack of 1 and buzzers

and buzzers

Fully automatic battery charger

But with the Weigh Safes built-in scale

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and other applications that require prevention of backflow and loss of prime

Buildex Backer-On #9 x 1-1/4 In. Cement Board Screw (750 Ct.) Pack options:Pack of 1 and buzzersGimlet point. No. 2 star 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.