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The Würth #8 x 2" flat head assembly screw is a coarse-thread, zinc-plated fastener built for cabinet carcass construction, panel joinery, and woodworking assembly where a flush-seated screw at a practical working depth is the goal. The Type 17 Auger point, underhead nibs, and #2 Phillips drive work together to keep installation clean and consistent across production runs.
At 2 inches, this screw is long enough to pass through a 3/4-inch panel face and still put roughly 1-1/4 inches of thread into the adjoining member — enough engagement for a solid joint in a cabinet box side, back, or bottom. That makes it a reliable choice for assembling cabinet carcasses in sheet goods: plywood, MDF, and melamine-faced particleboard. It is also a practical length when screwing a cabinet back panel into a solid wood rail or attaching interior blocking, where shallow screws would underperform and longer ones risk breaking through.
The coarse thread is matched to these materials. It grips the fiber structure of plywood and the mineral-binder matrix of MDF and particleboard better than a fine thread would at this length, and it pulls the joint closed with less resistance during driving.
The flat head countersinks flush, and the nibs on the underside of the head do the countersinking work in real time — milling the recess as the screw is driven rather than requiring a pre-drilled countersink in most cabinet panels. The result is a clean, flush surface that does not require filling before finishing the interior. In harder substrates or where an especially clean entry is needed, a quick pilot pass still produces the best seat.
The zinc finish is appropriate for the indoor environments where cabinet assembly work happens. It is not rated for outdoor or high-humidity exposure, so keep this screw where it belongs: dry, interior cabinetry, casework, and furniture assembly.
A 4000-piece box keeps a production cabinet shop stocked through extended runs without constant reordering. For an installer working through a kitchen or a set of built-ins, the same box size means the right screw is always on hand. The #2 Phillips drive means no bit changes when moving between layout, assembly, and hardware installation — it is the same bit for all of it. Cabinet shops that standardize on a single assembly screw for carcass work find that a consistent drive type and head style reduces setup time and keeps the crew moving without searching for the right bit or checking whether the head will seat cleanly in the material at hand.
Joining two 3/4-inch panels face to edge, a 2-inch screw passes through the face panel and puts approximately 1-1/4 inches of thread into the adjoining member. That gives the joint solid holding power without the screw breaking through the far face of the second panel.
The extended auger flute on the Type 17 point captures and removes wood fibers ahead of the thread, which reduces the driving torque required and lowers the risk of splitting near panel edges or corners where material is thinner.
In most plywood, MDF, and particleboard, yes. The nibs mill the countersink as the head seats, leaving a flush finish without a separate drill step. In harder substrates or very dense materials, a pilot countersink still produces the cleanest result.
Yes. The coarse thread grips the particleboard substrate of melamine panels effectively, and the flat head with nibs seats flush through the melamine face. Driving speed matters in melamine — driving too fast can chip the surface around the entry point, so a controlled final pass at lower RPM keeps the face clean.
No. The zinc finish on this screw is suited for dry, indoor conditions. For exterior work or environments with sustained moisture exposure, a screw with a corrosion-resistant coating rated for that environment is the right choice.
When the length, thread, point, and head are matched to the material and joint, installation stops being something to manage and starts being something that simply works — through a full box and into the next one.
Sold In: 4000 Each
