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The Quickscrews #8 x 1-5/8" flat head assembly screw is sized to reach through a 3/4-inch panel and bite solidly into the material behind it, making it a practical choice for cabinet box assembly, shelving, and general woodworking joinery where a flush-seated fastener is needed.
At 1-5/8 inches, this screw is long enough to fasten through a standard 3/4-inch panel and thread meaningfully into the adjacent component, but short enough to avoid break-through on typical two-layer assemblies. That proportioning makes it useful for cabinet side-to-back connections, shelf dado reinforcement, face-frame attachment to plywood boxes, and interior drawer-box assembly. It also works for attaching cleats and nailers inside cabinet carcasses where total stack thickness runs between 1 and 1-1/2 inches. Shops building production frameless cabinets will find this length fits naturally into the standard box-assembly sequence without requiring length changes mid-run.
The flat head seats flush with or just below the surface in wood-based panels without leaving a proud head that would interfere with a cabinet back, drawer bottom, or applied face. The milling nibs on the underside of the head cut a clean countersink as the screw drives home, which reduces prep time in plywood, MDF, and softwood. The black finish keeps fastener heads from drawing the eye in dark-lined interiors, melamine-wrapped boxes, and painted cabinet cases. Coarse thread provides strong withdrawal resistance in engineered panels and softwood, which represent the bulk of modern cabinet carcass construction.
A box of 6,000 screws supports extended production runs without frequent restocking interruptions. Cabinet shops assembling multiple kitchens per week, millwork operations building custom built-ins, and furniture manufacturers working with sheet goods will find the volume practical. The #2 square drive suits the trim-head and assembly-screw bits that most production shops already run. Because the screw is black and flat-headed, it also works in finish situations where a fastener may remain partially visible, such as the interior corners of an open-shelf unit or the back panel of a display cabinet.
At 1-5/8 inches, the screw passes through the first panel and threads into approximately 7/8 inch of the second. That is enough engagement for a solid joint without breaking through the face of a standard 3/4-inch substrate.
The Type 17 Auger point has an extended flute near the tip that cuts and clears wood fibers as the screw enters. This lowers driving torque and reduces the risk of splitting in dense stock compared to a plain sharp-point screw.
Yes. The coarse thread provides good withdrawal resistance in MDF and particleboard. Pre-drilling near edges is advisable in particleboard to reduce the chance of edge blowout.
The black finish reduces the contrast between the screw head and dark cabinet interiors, melamine-lined boxes, or painted assemblies, keeping fasteners visually recessive in finished work.
It works for attaching a face frame to a plywood cabinet box where the frame is softwood or sheet-good material. For hardwood face frames in maple, oak, or similar species, a fine-thread screw is the better choice to avoid splitting the frame stock.
When the job calls for a flat-head assembly screw that seats flush, starts cleanly in dense panels, and arrives in a quantity sized for real production volume, the Quickscrews #8 x 1-5/8" delivers a length that works across the most common cabinet-box joinery scenarios without modification.
Sold In: 6000 Each