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The Würth #8 x 1-1/4" Flat Head Assembly Screw is a production-ready fastener engineered for cabinet assembly, casework joinery, and general woodworking in 3/4-inch material. Its 1-1/4" length is the standard fit for this stock thickness, making it a natural choice for shops that run high volumes of cabinet boxes, shelf panels, and face-frame components day after day.
At 1-1/4", this screw is proportioned for the most common thickness in cabinet construction: 3/4-inch sheet goods and solid stock. It drives deep enough to pull a joint tight and seat the head flush without over-penetrating through the back panel or opposite face. Cabinet shops assembling box sides, bottoms, and nailer strips in 3/4-inch material will find this length eliminates the guesswork of sizing up or down. The flat head with nibs handles countersinking in one motion, so the screw goes in and the head sits flush without a separate boring step.
The Type 17 Auger Point carries an extended flute that bites into wood fibers and channels them away from the tip as the screw advances. In hardwoods, softwoods, particleboard, and MDF, this reduces the resistance that causes splitting near edges and keeps driving torque manageable under repeated use. The coarse thread follows with deep, widely spaced engagement that locks into wood-based panels and solid lumber alike. The #2 square drive recess is designed to hold a correctly sized bit securely, which matters when placing screws in tight cabinet interiors or overhead positions where a dropped fastener costs time on a busy production floor.
This SKU is built for interior woodworking environments: cabinet shops, millwork operations, and finish carpentry crews assembling frameless and face-frame cabinetry. The zinc finish performs well in dry, climate-controlled conditions typical of a shop floor or installed kitchen and bath cabinetry. For outdoor, high-humidity, or treated-lumber applications, a corrosion-resistant coating rated for those conditions is the better choice. At 9000 pieces to the box, the pack quantity aligns with production-volume purchasing rather than small-batch or occasional use, making it practical for shops that track consumption and want consistent restocking intervals.
The 1-1/4" length provides enough thread engagement to pull the joint tight and resist withdrawal while stopping short of breaking through the opposite face of 3/4-inch panels. It is the go-to size for box assembly, nailer strip attachment, and similar joints in standard cabinet material.
The nibs are small raised ridges on the underside of the head that mill into the wood surface as the screw seats. They cut a shallow countersink so the head sits flush without requiring a separate countersink drill operation, which saves a step in high-volume runs.
No. The extended auger flute is designed to self-start and clear fibers as the screw advances, so a pilot hole is not required for most softwoods, particleboard, and MDF. In very dense hardwoods or when working close to an edge, a pilot hole can reduce splitting risk.
This is a coarse-thread screw with a flat head, which suits softwood face frames, pine, and engineered panels well. For hardwood face-frame joinery in maple, oak, or cherry, a fine-thread face-frame screw is the more appropriate choice because coarse threads can reduce holding power and increase splitting risk in tight-grained hardwood.
The zinc finish is rated for dry indoor environments. It is not recommended for exterior exposure, high-humidity conditions, or contact with ACQ pressure-treated lumber, where a corrosion-resistant exterior coating is required.
When cabinet assembly is a daily operation and downtime for restocking cuts into throughput, 9000 screws to a box keeps the work moving. This Würth #8 x 1-1/4" assembly screw delivers consistent point geometry, reliable head seating, and a drive that holds its position run after run.
Sold In: 9000 Each
