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The Würth #8 x 1-5/8" flat head assembly screw is a coarse-thread fastener built for joining cabinet panels, drawer boxes, and casework components where a flush-seated, clean-driving screw matters. The 1-5/8" length passes cleanly through 3/4" material and pulls into a second panel with solid thread engagement, making it a practical match for typical cabinet carcass construction.
At 1-5/8", this screw is sized for one of the most common joints in cabinet production: driving through the face of a 3/4" panel and threading into an adjoining component. That covers side-to-bottom connections in a cabinet box, back panel attachment, and drawer box assembly. The length provides enough thread engagement in the second piece to hold the joint firmly without over-penetrating thin stock or bottoming out in a narrow edge.
Shops building frameless cabinet boxes, face-frame carcasses, or plywood drawer boxes will find this length returns consistently useful results across those joints without needing to swap to a longer or shorter screw mid-run.
The black finish keeps screw heads unobtrusive inside painted or dark-finished cabinet interiors, where a bright zinc head would draw the eye. It is an interior-appropriate finish suited to dry shop and installed-cabinet conditions.
The flat head carries milling nibs on its underside. As the screw seats, the nibs cut into the wood surface and allow the head to pull flush without requiring a pre-drilled countersink in many wood-based substrates. In harder materials or finished laminates, a pilot countersink will still produce the cleanest result. The Type 17 Auger point contributes a fluted cutting tip that clears material at the start, reducing the driving resistance that leads to cam-out or blown-out panel edges when assembling close to a corner.
Cabinet shops running consistent box sizes benefit from a screw that drives predictably, seats cleanly, and does not require frequent bit changes. The #2 Phillips drive is the default on most bench drivers and cordless drills, so this screw fits into existing workflows without a dedicated bit setup. The 3500-count pail is practical for shops that go through assembly screws quickly. Pail packaging is convenient for movement around the shop or to the job site.
This screw is for indoor cabinet and woodworking assembly. For outdoor or moisture-exposed applications, select a screw with a corrosion-resistant coating rated for the environment.
The screw passes through a 3/4" panel and leaves roughly 7/8" of thread to engage the second piece, which gives a solid bite in plywood, MDF, or particleboard without bottoming out in a narrow edge or over-penetrating thin stock.
The milling nibs cut into the wood surface as the head seats, allowing the screw to countersink itself flush in many wood and panel materials without a separate countersink step. For harder substrates or finished laminates, a pre-drilled countersink will give the cleanest result.
Yes. The coarse thread grips the fiber matrix of MDF and particleboard. Driving into the face is reliable; when fastening into the edge of engineered panels, keep edge distance in mind to avoid compression failure in low-density material.
The black finish on this screw is suited to dry indoor environments. It is not rated for exterior or high-humidity applications. For outdoor work, choose a screw with a galvanized or equivalent exterior-rated coating.
A #2 Phillips bit, which is the standard size for #8 screws and the most common driver bit found in shop and field use.
When a cabinet run calls for a consistent 1-5/8" fastener that seats flush, starts cleanly, and drives without stopping to switch bits, this Würth assembly screw delivers what production work requires.
Sold In: 3500 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 10 Each |  WW614176461 Mfr# 0614176461005 10 | #2 x 1" Phillips Drive Insert Bit (10/Bag) |