Black Phosphated Cement Board / Fiber Cement Screw
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R 0.00
Estimated deliver 5-7 days
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Description
Black Phosphated Cement Board / Fiber Cement Screw with Countersunk Ribbed Head (Fischer Fibre Cement Screw)
A specialized corrosion-protected steel fastener featuring under-head milling ribs and a dark phosphated finish, engineered for fixing dense cement boards, hardbacker panels, and fiber cement sheeting to timber studs or metal framing.
Countersunk Head with Under-Head Ribs: Specially designed ribs under the flat countersunk head carve out material in hard cement surfaces, allowing the screw to sit completely flush without cracking the board.
Black Phosphate Coating: Provides surface protection against alkaline moisture in cementitious materials and tile backer adhesives, while offering a matte finish for compound adhesion.
Hi-Lo / Serrated Thread Profile: Features high-low dual thread geometry with a self-tapping point to cut clean threads into dense fiber cement and securely grip into underlying substrate.
Phillips (PH) Cross Drive: Deep PH drive recess ensures positive bit engagement and wobble-free control when driving through dense composite panels.