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The HILLMAN FASTENERS 47721 is a box of black phosphate coarse-thread drywall screws sized 10 x 4.5 inches. These screws are designed for fastening drywall panels to wood framing, providing strong holding power through their sharp point and coarse thread pattern. The black phosphate finish reduces surface glare and provides light corrosion resistance during installation. Each box contains 5 pounds of screws. Drywall installers and general contractors rely on this size for thicker stacked drywall assemblies or attaching drywall to deeper framing members where standard shorter screws would not achieve adequate embedment.
These coarse-thread drywall screws are suited for wood-framed residential and light commercial construction. The 4.5-inch length makes them appropriate for multi-layer drywall installations or applications where extended penetration into wood studs is required. They are packaged in bulk boxes, making them practical for larger jobs where volume fastening is needed throughout a project.
Designed as an OEM-style replacement and standard-use coarse-thread drywall screw for wood-framed drywall assemblies in residential and light commercial construction.
Installation is typically performed by drywall finishers or general construction tradespeople using a drywall screw gun or variable-speed drill with a dimpler attachment. Power should be set to the appropriate clutch depth to avoid overdriving and damaging the drywall face paper. Follow local building codes regarding fastener spacing and penetration depth for the drywall thickness being installed.
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