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The Quickscrews #8 x 1-1/2" flat head assembly screw is a workhorse fastener sized for the most common joint in cabinet and furniture work: face-to-face and panel-to-panel connections in 3/4-inch material. A Type 17 auger point, coarse thread, milling nibs, and #2 square drive combine in a single screw built for production volume.
At 1-1/2 inches, this screw is a natural fit for the joints cabinet shops build most often. It drives through a 3/4-inch face into a second panel with enough thread engagement to pull the joint tight without punching through the back face. That makes it useful across a wide range of carcass, drawer box, and face-frame-to-box connections where the combined stock lands in the 1-1/4 to 1-1/2 inch range. The Type 17 auger point does the heavy lifting at entry: the fluted tip channels wood fibers away from the path of the thread, reducing the torque spike that can split material near an edge or at a corner.
The flat head countersinks flush, which matters on interior cabinet surfaces where a proud head catches on drawer contents or interferes with a slide's travel. The nibs on the underside of the head do the countersinking work as the screw is driven, milling a clean seat in softwood, hardwood plywood, and MDF without requiring a separate operation. In harder solid woods, a pre-drilled countersink will give a cleaner result. The #2 square drive recess is designed to seat a correctly sized square bit firmly so the screw stays positioned during placement. That design intent is most reliable with a bit that is true to size; a worn or undersized bit will not hold as well.
Cabinet shops assembling carcasses in plywood or MDF will find this length useful across cabinet sides, bottoms, nailers, and stretchers where 3/4-inch panels meet. Furniture builders working in pine, poplar, or construction-grade plywood get a screw that drives cleanly without splitting light stock. Finish carpenters installing blocking, backing panels, or interior built-ins keep a box on hand because the length covers most of the structural connections those jobs call for. This is an indoor fastener. The zinc finish handles dry, climate-controlled environments; it is not rated for exterior, wet, or treated-lumber applications.
Driving through one 3/4-inch panel into a second leaves roughly 3/4 inch of thread in the receiving piece, which is enough engagement to pull the joint tight. The screw stops well short of the far face, so there is no risk of blowout on visible surfaces.
The Type 17 point has a longitudinal flute that removes wood fibers as the screw enters. That chip-clearing action lowers driving torque and reduces the lateral pressure that causes splitting near edges, which is why it is widely used in cabinet and furniture production work.
In softwoods, plywood, MDF, and particleboard, yes: the nibs mill a clean seat as the head is driven, and no separate countersink is needed. In dense hardwoods like maple or oak, pre-drilling a countersink gives a cleaner result and is recommended for visible surfaces.
The coarse thread is optimized for softwood, plywood, MDF, and particleboard. For hardwood face-frame joinery where splitting resistance is critical, a fine-thread screw designed specifically for that application is the better choice.
No. The zinc finish is rated for dry interior environments. Exterior, high-humidity, or pressure-treated-lumber applications require a screw with a corrosion-resistant coating rated for those conditions.
The Quickscrews #8 x 1-1/2" assembly screw covers the joints that show up most often in cabinet and furniture work, packed in a 7,000-count box that keeps a busy shop running without constant restocking.
Sold In: 7000 Each