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This Würth #8 x 1-1/2" flat head assembly screw is built for cabinet box construction, carcass joinery, and panel-to-panel connections where a flush-seated fastener and clean countersink matter. The 1-1/2" length is a natural fit for single-layer 3/4-inch stock with room for full thread engagement in the mating panel. Packed 1000 to the box, it is sized for production shops and busy installers alike.
At 1-1/2", this screw is calibrated for the most common joint in cabinet construction: one panel face-screwed through another where both are 3/4-inch thick. The screw passes through the first panel and threads fully into the second, pulling the joint tight without blowing through the back face. It also works cleanly for attaching cabinet backs to box sides, securing nailers and blocking inside a carcass, and fastening hardware backing strips to panel edges. For pocket-hole joinery in 3/4-inch material, a dedicated pocket screw is the better choice; for direct face-screw and carcass connections, this length is the standard call.
The combo recess accepts both a #2 Phillips and a #2 square bit without an adapter swap. On a busy assembly line that means one bit covers the whole box, and a second driver loaded with a different bit style can substitute without stopping production. The square recess is designed to hold the screw on a correctly sized bit for one-handed placement, which matters when the other hand is holding a panel in position. The Type 17 auger point starts the thread cleanly in plywood edges, MDF, and particleboard faces where a standard sharp point can walk or push material rather than cut it. Nibs on the underside of the flat head mill a clean seat as the head descends, so the head sits flush in most cabinet panel materials without pre-countersinking.
The black finish on this screw is functional as well as visual. Inside a dark or black melamine cabinet box, a zinc-silver head draws the eye; the black finish disappears against the panel surface. It also reads clean against dark hardwood plywood when the screw is visible inside the finished cabinet. The coarse thread and carbon steel construction are matched to interior woodworking conditions. This screw is intended for dry indoor cabinet and furniture work, not exterior or pressure-treated applications.
A 1000-count box is the right unit for a shop that runs cabinets daily. Cabinet carcass assembly, face-frame attachment to boxes, drawer box construction, and panel sub-assembly all draw from the same #8 x 1-1/2" size, so a single box services multiple stations. The combo drive means a Phillips-equipped installer on site and a square-drive operator in the shop can both run the same screw without a separate SKU. For designers and homeowners specifying hardware for a single kitchen project, the same box provides more than enough to complete the job and stock a few spares.
Yes. At 1-1/2", the screw seats securely through a 1/4" or 1/2" back panel and into the box side or nailer behind it. For thin 1/8" backs, a shorter length is typically a better fit.
In most wood-based panel materials including plywood, MDF, and particleboard, the nibs on the underside of the head mill their own countersink as the screw is driven. Very hard solid woods may benefit from a pre-drilled countersink for a perfectly clean result.
The combo recess accepts a #2 Phillips or a #2 square bit. Either fits the same head without a driver change.
Yes. The coarse thread and Type 17 auger point are well suited to particleboard and MDF substrates. Drive straight into the panel face or edge; for joints near the edge, a pilot hole reduces the chance of the panel face lifting around the head.
Inside a dark or black melamine cabinet box, a silver head is visible against the panel surface. The black finish blends with the interior and produces a cleaner finished appearance without painting or covering fastener heads.
When the joint is 3/4-inch panel to 3/4-inch panel and the box interior is dark, this Würth #8 x 1-1/2" combo-drive assembly screw delivers a flush black head, clean countersink, and solid thread engagement in one driven fastener, with 1000 in the box to carry a full production run from start to finish.
Sold In: 1000 Each
