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The Würth #8 x 1-1/4 inch flat head assembly screw is a coarse-thread, square-drive fastener built for cabinet carcass construction, face frame assembly, and general wood joinery where 3/4-inch material is the primary stock. At 1-1/4 inches, this length seats fully through a typical 3/4-inch panel and bites cleanly into the substrate below without over-penetrating. Packed 9000 to the box, it is sized for shops running high-volume assembly day to day.
A 1-1/4 inch screw is the go-to length for face-frame pocket joinery and cabinet box assembly in 3/4-inch material. It threads completely through the near-side panel and pulls deeply enough into the mating piece to create a solid joint, without the tip breaking through the opposite face of a single thickness of sheet good. This makes it practical for joining cabinet sides to tops and bottoms, attaching nailers and stretchers, and assembling face-frame members in softwood and sheet-good materials. For shops building standard residential or commercial cabinetry in melamine, plywood, or pine, this is a length that works across many of those joints without resizing.
The Type 17 Auger Point carries an extended flute compared to a standard T17, which means more aggressive chip clearing and a faster start in thick or dense material. The flat head profile combined with underhead nibs lets the screw mill a clean countersink seat in one driving motion across softwood, plywood, MDF, and similar panel products. The black finish keeps the head visually quiet inside cabinet interiors finished in dark foil, paint, or melamine. Coarse thread is matched to the low-density fiber structure of the sheet goods and softwoods most commonly used in cabinet box construction, where it delivers reliable pull-out performance without the risk of thread stripping that comes with forcing fine-thread screws into soft substrates.
This screw is aimed at cabinet shops, millwork operations, and production woodworking environments that burn through fasteners at volume. The 9000-piece box reduces the friction of restocking mid-run, and the square drive geometry is designed to hold the screw on a correctly sized bit, which matters when a driver and a screw need to move together quickly across dozens of identical joints. The coarse thread and auger point combination keeps driving torque low enough that operators are not fighting the screw on every cycle. Residential installers assembling flat-pack or pre-built cabinet components on site will find the length and head profile suited to the same 3/4-inch material they encounter in those jobs.
At 1-1/4 inches, the screw passes through a 3/4-inch panel and still has 1/2 inch of thread engagement in the mating piece. That is enough to hold the joint firmly without the tip breaking through the back face of a single layer of sheet good.
Yes. Coarse thread is the right choice for low-density engineered panels like MDF, particleboard, and melamine-faced sheet goods. The wider thread pitch grips more material volume per revolution, which is what provides pull-out resistance in those substrates. Fine thread is better suited to hardwood and metal.
The Type 17 Auger Point has an extended longitudinal flute at the tip that cuts and clears wood fibers as the screw enters the material. This reduces the torque needed to drive the screw and lowers the risk of splitting, especially near panel edges. A standard sharp point displaces material without clearing it.
Not in most wood-based panel materials. The nibs mill their own countersink seat as the head drives down, so the flat head can sit flush in softwood, plywood, MDF, and similar substrates without a separate countersink step. In very hard materials, a pre-drilled countersink may produce a cleaner result.
This is a coarse-thread screw, which is the correct choice for softwood face frames, plywood, and sheet goods. For hardwood face frames in maple, oak, cherry, or similar species, a fine-thread pocket-hole screw is a better fit. Coarse thread in dense hardwood can strip or fail to seat cleanly.
Yes. The black finish on this screw is for interior applications. It is not rated for exterior exposure or high-humidity environments. For outdoor or pressure-treated lumber applications, choose a screw with a corrosion-resistant coating rated for those conditions.
When 3/4-inch cabinet assembly is the daily job, having 9000 of the right screw on the shelf means fewer interruptions and more consistent results from the first box to the last joint of the day.
Sold In: 9000 Each
