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The Würth #8 x 1-1/4" Washer Head Assembly Screw is a production-focused fastener for cabinet carcass assembly, panel joinery, and light framing work where 3/4-inch stock is the standard. The combination of a turbo thread, lubricated finish, and washer head with nibs keeps driving fast and consistent across a full day of production runs.
At 1-1/4 inches, this screw is sized to work cleanly through one layer of 3/4-inch material and seat firmly in a second. That makes it a natural fit for attaching cabinet backs to box sides, securing interior partitions, fastening nailers and mounting cleats, and any joint where you need a reliable hold without over-penetrating thin panels. The washer head spreads the load at the surface, which helps in particleboard and MDF where a narrow countersunk head can pull through under stress. For shops building frameless cabinets or RTA-style carcasses from engineered sheet goods, this length covers a wide range of daily assembly tasks without needing to reach for a different screw.
The turbo thread geometry has a wider pitch and more aggressive profile than a standard chipboard thread, which means fewer revolutions to reach full depth and less material resistance during driving. Pair that with the lubricated finish and the combo drive's square recess, and the screw runs consistently from the first piece to the last without the gradual slowdown that comes from bit wear and friction buildup. For a cabinet shop driving screws by the hundreds in a shift, those small per-fastener gains add up quickly. The sharp point self-starts in all common engineered panel materials and soft-to-medium hardwoods, so there is no pre-drilling step eating into cycle time.
This screw is built for environments where a box of fasteners has to last more than a few jobs. The 6000-count box suits production shops, millwork operations, and cabinet installers who go through fasteners in volume and want consistent performance from the first screw to the last. The combo drive means a team can work with Phillips or square bits without stopping to sort screws by drive type. The washer head with nibs seats cleanly in visible interior surfaces, reducing the rework that comes from rough countersinks or pull-through in softer panel materials. It is a practical all-day screw for shops where assembly efficiency is the priority.
Yes. The combo recess accepts both a #2 Phillips and a #2 square bit. Either will drive the screw; the square recess is designed to hold the bit more securely on a correctly sized bit, while the Phillips side keeps you compatible with standard driver sets.
No. For a through-and-through two-layer joint in 3/4-inch stock, you would need a longer screw. The 1-1/4-inch length is intended to pass through one layer of 3/4-inch material and embed into the receiving piece, not to span both fully. It works well for cabinet back attachment, cleat fastening, and similar single-pass joints.
The sharp point self-starts in softwood, plywood, particleboard, MDF, and melamine-faced panels. In dense hardwoods, a pilot hole helps prevent splitting and makes driving easier.
The lubricant is a dry-to-the-touch coating on the screw itself. It does not transfer to the wood surface in any meaningful quantity during normal driving, so glue adhesion in the surrounding joint area is not typically affected.
This is an indoor assembly screw. The lubricated finish is not a corrosion-resistant coating rated for exterior or high-moisture environments. For outdoor or damp applications, choose a screw with a galvanized or other exterior-rated finish.
When the job calls for a fast, consistent, low-fatigue assembly screw in 3/4-inch panel work, the Würth #8 x 1-1/4" Washer Head Assembly Screw delivers the combination of turbo thread speed, lubricated driving, and broad washer head holding power that production cabinet shops depend on shift after shift.
Sold In: 6000 Each
