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The Würth #8 x 1-3/4 inch flat head assembly screw is a coarse-thread, lubricated fastener designed for production cabinet and panel assembly in softwood, plywood, MDF, particleboard, and melamine-faced materials. The 1-3/4 inch length gives it enough thread engagement for thicker panel stock and box construction where a shorter screw falls short.
A 1-3/4 inch screw covers ground that shorter assembly screws cannot. In a cabinet carcass built from 3/4-inch panels, driving through one face into the edge of a second panel puts the full thread into the mating piece. The same length works well securing drawer box sides, back panels into dados, and interior shelf pins or support cleats. Shops building face-frame cabinets from softwood or plywood components will find this length practical for attaching hanging cleats and interior blocking where thread engagement and holding power matter more than tight clearance.
The combination recess accepts both a #2 Phillips and a #2 square bit, which is useful in a mixed-tool environment where crews do not all run the same driver. The square portion of the recess is designed to hold the screw on a correctly sized square bit for one-handed placement, reducing fumbling during repetitive assembly. The flat head carries underhead nibs that cut into the surface material as the screw is driven, milling a clean countersink without a pre-bored hole. Lubrication on the threads and point reduces friction at speed, which matters when a shop is driving hundreds of screws per shift. The coarse thread is matched to softwood fiber, plywood veneers, MDF, and particleboard — the materials that make up most production cabinet boxes.
This screw is at home in environments where consistency and throughput are the priorities. A cabinet production shop running MDF or plywood carcasses can load a box of 4000 and count on the same drive feel and seating depth throughout. The combination drive keeps the line moving when a driver swap is needed, and the lubricated finish reduces the torque variation that leads to stripped heads or under-driven screws at the end of a long shift. Smaller custom shops benefit from the same traits: predictable behavior in the material, a clean flush head, and a length that handles the real thickness of production cabinet stock.
The extra length puts more thread into the mating panel. In 3/4-inch material, a 1-3/4 inch screw drives through the face panel and threads fully into the edge of the second piece, giving stronger pull-out resistance than a 1-1/4 or 1-1/2 inch screw in the same joint.
No. The nibs on the underside of the flat head mill the countersink as the screw seats, so the head sits flush in softwood, plywood, MDF, and particleboard without a separate countersink step.
The recess accepts a #2 Phillips bit and a #2 square bit. Either will drive the screw; the square recess is designed to hold the screw on a correctly sized square bit during placement.
This screw has a sharp point and coarse thread, which are best matched to softwood, plywood, MDF, and particleboard. For hardwood face-frame stock such as maple or oak, a fine-thread screw with a controlled point is the better fit.
The lubricant on the threads and point reduces friction as the screw drives, lowering the torque needed to seat the head. In high-volume production, that means less driver wear and fewer stripped heads over a long shift.
When the job calls for a flat head assembly screw that seats flush, drives fast, and works with the bits already on the line, the Würth #8 x 1-3/4 inch in a box of 4000 is a practical answer for cabinet shops and millwork operations running production volumes in softwood and engineered panels.
Sold In: 4000 Each
