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The Würth #8 x 1-1/2" flat head assembly screw is a coarse-thread fastener built for cabinet and woodworking assembly where a 1-1/2" length suits the joint. It combines a combo Phillips/square drive, a Type 17 Auger point, underhead nibs, and a zinc finish into a single screw that covers common shop and site scenarios without needing a second option on the bench.
At 1-1/2", this screw lands in a practical zone for cabinet and furniture assembly. It reaches through a 3/4" panel face with enough thread engagement in the second piece to pull the joint tight — common in carcass assembly, drawer box construction, and attaching cabinet backs or bottoms to side panels. The coarse thread bites quickly in plywood, MDF, and particleboard, which is where most cabinet box work happens. For shops building frameless or face-frame cabinets in production volume, having 1,000 of this length on hand means fewer pauses to locate the right screw mid-run.
The combo recess accepts a #2 Phillips or a #2 square bit without switching heads. On a busy job — whether that is a cabinet shop running multiple stations or a single installer working through a kitchen — that flexibility matters. The square recess is designed to hold the screw on a correctly sized bit for one-handed placement, which helps when driving into an awkward position inside a cabinet box. The Type 17 Auger point's extended flute clears wood fibers ahead of the thread, reducing the splitting pressure at the tip and lowering the force needed to drive each screw. The underhead nibs do the countersinking work as the flat head seats, so the screw can go in flush in one pass in most wood-based panels.
Cabinet shops assembling carcasses in volume are the natural fit — the 1,000-count box matches production pace, and the combo drive means any bench station stays running regardless of which bit style a person grabs. Custom woodworkers building furniture or built-ins in solid-wood and plywood combinations will find the Type 17 Auger point useful in denser sheet goods. Installers completing a kitchen or bath cabinet installation on site benefit from the same combo-drive flexibility when working out of a single drill rather than swapping drivers. This is an indoor screw; the zinc finish suits dry, climate-controlled environments.
In typical cabinet construction, two 3/4" panels meet at a butt joint. A 1-1/2" screw passes through the face panel and threads into the mating piece with enough engagement to hold the joint firmly without blowing through the back face.
The combo recess accepts a standard #2 Phillips bit or a #2 square (Robertson) bit. Both fit the same recess, so no bit swap is needed between the two drive styles.
The underhead nibs mill the countersink as the flat head seats in most wood-based panels, so a separate countersink step is often not needed. Very hard materials or finished faces may still benefit from a pre-drilled countersink for the cleanest result.
This screw uses a coarse thread, which is best matched to softwood, plywood, MDF, melamine, and particleboard. For hardwood face-frame joinery in maple, oak, or similar species, a fine-thread face-frame screw is the better choice because coarse threads can reduce holding power in dense hardwood grain.
The zinc finish is rated for dry indoor environments. It is not suited for exterior, wet, or high-humidity applications.
When 3/4" panel joints are the backbone of the build, the Würth #8 x 1-1/2" combo drive assembly screw keeps the work moving — right length, right thread, two drive options in one recess, and 1,000 per box to match production demand.
Sold In: 1000 Each
