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The Würth #8 x 1-1/2" flat head assembly screw is a coarse-thread wood screw designed for cabinet carcass assembly, furniture joinery, and general wood panel fastening where a flush-seated head is required. The 1-1/2" length hits a practical sweet spot for joining 3/4" panels face-to-face or fastening into moderate-depth material without over-penetrating thin stock.
At 1-1/2", this screw is sized for the joinery that dominates a cabinet shop's daily output. It drives cleanly through a 3/4" panel face and threads deep enough into the mating piece to hold the joint securely under normal load. That makes it a reliable choice for cabinet box assembly, back panel attachment, shelf pin strips, and light furniture carcass work where deeper screws would push through the opposite face or create unnecessary split risk. For nailer strips, drawer box sides, and other multi-ply panel connections, the 1-1/2" length provides full thread engagement without over-penetrating.
The combination drive recess accepts a #2 Phillips or a #2 square bit. In a shop running multiple drivers, that compatibility removes the need to sort screws by bit type. The square recess is designed to hold the screw on a correctly sized bit for one-handed placement, which matters when positioning a panel with one hand and driving with the other. The flat head is countersunk with underhead nibs that mill a clean seat in solid wood, plywood, and MDF as the screw is driven, so the head finishes flush without a pre-drilled countersink in most materials. The lubricated coating reduces friction at the thread face, lowering the torque demand per fastener. In a box of 1,000 that adds up to noticeably less strain on the driver motor and the operator over a full production run.
Cabinet shops running frameless or face-frame boxes in solid wood and plywood reach for this screw when a clean flush head and dual-drive flexibility matter more than speed through thick stock. Furniture manufacturers assembling carcass panels, backs, and dividers keep a box at each assembly station so the work does not stop when a bit type changes. Finish carpenters fastening wood panels, blocking, and interior millwork in locations where the screw head will be visible or filled value the flush-seated result the nibs provide. The 1,000-count box suits any operation that burns through fasteners steadily and does not want to manage small-quantity reorders.
The coarse thread and sharp point are optimized for fibrous wood materials — solid wood, softwood, and plywood. In MDF or particleboard, the coarse thread provides reasonable holding power for light assembly, but a chipboard-specific thread design offers better pull-out resistance in those low-density panels for structural joints.
Yes. The combination recess accepts either a #2 Phillips or a #2 square bit. Phillips is a practical fallback, though the square side of the recess is designed for a tighter, more cam-out-resistant engagement when a correctly sized square bit is used.
In most solid wood, softwood, and plywood applications, yes. The underhead nibs mill their own countersink as the screw seats. In very hard hardwood, a light pilot countersink can help the head finish flush cleanly.
The lubricant reduces friction between the thread faces and the wood fibers as the screw is driven. The practical result is lower driving torque per screw, less heat buildup, and reduced wear on the driver bit during extended production runs.
No. This is an indoor assembly screw. For exterior work or damp environments, choose a screw rated for outdoor exposure with a corrosion-resistant coating.
When the job calls for a flush-head wood screw with dual-drive flexibility, coarse thread holding power, and enough quantity to run a full day without restocking, the Würth #8 x 1-1/2" flat head assembly screw covers the work.
Sold In: 1000 Each
