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The Würth #8 x 3 inch washer head installation screw is a coarse-thread wood screw built for cabinet and casework assembly where extra length is needed to reach through thick panels, stacked components, or built-up assemblies. The combination Phillips/square drive and broad washer head keep the fastener seated and the workpiece clamped without a separate washer.
Most installation screws top out at 2 or 2-1/2 inches, which is enough for single-panel fastening. At 3 inches, this screw reaches situations those lengths cannot handle: attaching a face frame through a thick box side, driving through a nailer into a wall stud, fastening cabinet blocking, or pulling together a built-up base assembly. The extra thread engagement that comes with the full 3 inch shank also improves withdrawal resistance when loads are higher or materials are softer. For cabinet shops and installers who occasionally need a longer reach without switching to a structural lag, this screw fills that gap cleanly.
The washer head's flat, wide bearing surface distributes clamping force across a larger footprint than a pan or flat head. That matters most when driving into plywood edges, softwood faces, or oversized clearance holes, where a smaller head would sink or pull through before the joint was tight. The Phillips/square recess accepts either a #2 Phillips or a #2 square bit. The square recess is designed to hold the screw on a correctly sized bit for one-handed placement, which speeds up repetitive fastening on the bench or overhead. Zinc plating keeps this screw appropriate for dry interior cabinetry and millwork installations.
A 1500-piece box suits production cabinet shops and installation crews who run through longer screws assembling base units, building out utility cabinets, or framing out filler and blocking. The coarse thread and sharp point handle the range of materials common in cabinet work: solid wood, plywood, MDF, and pine nailers. This screw is for interior dry applications. For outdoor, treated-lumber, or high-humidity environments, a corrosion-rated screw is the right choice.
The 3 inch length is useful when you need thread engagement beyond what shorter screws provide: driving through a thick panel into a second layer, reaching a stud through a nailer, or fastening built-up base assemblies. If the application only involves a single 3/4 inch panel, a shorter screw is the better fit.
Either works. The combination recess accepts a standard #2 Phillips bit or a #2 square bit. Use whichever is already in the driver.
No. The washer head is a non-countersunk profile designed to bear flat against the surface. It does not seat in a countersink and is not intended to sit flush.
No. The zinc finish is rated for dry interior environments. Outdoor work, pressure-treated lumber, and high-humidity spaces call for a screw with a heavier corrosion-resistant coating.
No. This washer head installation screw does not have underhead nibs.
When the job calls for a 3 inch coarse-thread screw with a broad washer head and the flexibility of a Phillips or square drive, this Würth installation screw is ready to run, packed 1500 to the box for shops and crews that need it on hand.
Sold In: 1500 Each
