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The Würth #8 x 1-1/2" flat head assembly screw is a coarse-thread, Phillips-drive fastener built for the wood panel and cabinet joinery work where this length lands squarely in the material without over-penetrating. A lubricated finish reduces driving friction, and a sharp point starts cleanly in softwood, plywood, and engineered panels without requiring a pilot hole in most applications.
At 1-1/2", this screw reaches through a 3/4-inch panel face and drives 3/4" into the receiving member, giving solid thread engagement without risking breakthrough on standard cabinet panel stock. That makes it a natural fit for cabinet carcass assembly, back panel attachment, nailer strips, and interior shelf cleats where the material stack is in that 3/4-inch-to-1-1/2-inch range. It also handles light blocking, drawer box assembly in thicker stock, and general shop joinery where a longer screw would run through and a shorter one would leave the threads short of a full bite. For interior softwood, plywood, particleboard, and MDF — the core materials in most cabinet shop work — the combination of length, coarse thread, and sharp point covers a wide range of assembly tasks without switching screws mid-run.
The lubricated coating on this screw is a dry-to-the-touch treatment applied to the threads and point. It lowers friction during driving, which matters when a shop is running several hundred screws in a session on a production cabinet build. Less resistance at the thread means less torque demand on the driver, less heat transferred to the screw head, and a lower chance of stripping the Phillips recess before the head is fully seated. The flat head countersinks into the panel face as it seats, sitting flush or just below the surface in pre-countersunk holes. For cabinet interiors where the surface will be visible or receive a melamine or veneer overlay, a flush-seated head avoids bumps and telegraphing under the finish material.
This screw ships in a box of 5000. That pack size is matched to cabinet shops, millwork operations, and installers who go through assembly screws steadily across multiple projects. Keeping a full box on the shelf means less interruption to reorder mid-job and a consistent fastener spec across every cabinet in a run. The #2 Phillips drive requires no specialty bits, so any member of the crew can pick up this screw and drive it with the tools already in rotation. For shops standardizing on a single flat head assembly screw for interior panel work in the 1-1/2" range, a 5000-count box supports weeks of continuous production without restocking.
Yes. The coarse thread and sharp point are well matched to particleboard, MDF, and plywood — the engineered panels used in most cabinet carcass construction. In denser hardwood panels, a pilot hole helps the screw seat cleanly and reduces splitting risk near edges.
The lubricant is a dry-to-the-touch coating applied to the fastener itself, not to the substrate. It does not transfer to surrounding wood surfaces in normal installation and does not interfere with glue joints or finish coats around the fastener area.
Standard flat head screws use an 82-degree countersink. Use an 82-degree countersink bit or combination drill-countersink sized for a #8 screw to pre-bore the head pocket when a pre-countersink step is part of your process.
In softwood, plywood, and most engineered panels, the sharp point self-starts without a pilot hole. In dense hardwood or when driving near panel edges, a pilot hole reduces splitting risk and helps the screw track straight.
The lubricated finish on this screw is designed for interior woodworking and cabinet assembly. It is not a corrosion-resistant coating rated for outdoor or high-humidity exposure. Use it for dry, indoor applications.
When the length fits the stack and the drive matches the bits on the bench, assembly screws stop being a decision and start being a detail. This 1-1/2" flat head screw covers the most common interior panel depth in cabinet work, drives fast with a lubricant-assisted #2 Phillips, and arrives in a quantity that supports sustained production without interruption.
Sold In: 5000 Each
