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This Würth #8 x 1-1/2-inch flat head assembly screw is built for cabinet carcass assembly, panel joinery, and face-frame attachment where stock thickness runs at or near 3/4 inch. A #2 Phillips drive, coarse thread, Type 17 Auger point, and milling nibs under the flat head give it a combination of fast starting, clean seating, and reliable pull-out resistance in wood and wood-based panels.
At 1-1/2 inches, this screw reaches through 3/4-inch face-frame stock and bites solidly into the cabinet box behind it, which is the standard attachment scenario in face-frame cabinetry. It also handles panel-to-panel connections in 3/4-inch plywood or melamine carcasses, where the screw needs enough thread engagement to hold the joint tight without blowing through the opposite face. For shops assembling cabinet boxes from sheet goods and hanging face frames in the same operation, having one screw that covers both tasks reduces bin changes and keeps the line moving.
The screw is steel with a black finish suited for dry interior applications. Cabinet shop environments are the natural home for this fastener: controlled humidity, no exposure to outdoor chemicals or pressure-treated lumber, and a consistent substrate in plywood, particleboard, MDF, and hardwood face-frame stock. The black finish keeps heads from standing out against dark-finished interiors. For exterior or treated-lumber applications, a coated or galvanized screw is the appropriate choice.
Cabinet shops running face-frame production pull this screw when they need a reliable everyday fastener for 3/4-inch material that works with the Phillips bits already on their drivers. Finish carpenters attaching face frames on site find the 1-1/2-inch length handles the joint without careful measuring on each piece. The 1000-piece box supports steady production volume without constant restocking. If the job calls for thicker stock or deeper penetration, longer screws in this same family cover those applications.
The milling nibs on the underside of the head grind a small countersink into the material as the screw seats. In plywood, MDF, and softer hardwoods this lets the head sit flush without a separate countersink bit. In harder materials a pilot and countersink step still helps, but the nibs clean up the seat and improve how squarely the head bears against the surface.
The Type 17 Auger point has a longitudinal flute cut into the tip. As the screw enters the material, that flute removes wood fibers rather than simply wedging them aside. The result is a cleaner entry, lower driving torque, and less risk of splitting the workpiece near an edge compared to a plain sharp point.
Yes. Coarse thread engages more material volume per revolution in low-density substrates like particleboard and MDF, which improves pull-out resistance. Fine thread is designed for hardwood and metal where the denser material fills the tighter thread spacing; in engineered panels, coarse thread outperforms it.
Yes, attaching a face frame to the front of a cabinet box is one of the primary fits for this length. The 1-1/2-inch screw passes through 3/4-inch face-frame stock and threads into the cabinet side panel or front rail behind it. Use a correctly sized pilot hole in harder hardwood species to reduce the risk of splitting near the stile edge.
The #2 Phillips drive is compatible with standard impact drivers. Phillips geometry does have more cam-out tendency under sustained high impact torque than square or star drives, so setting the driver clutch or using a controlled-torque setting helps protect the head at final seating. For high-volume production where cam-out is a concern, the square or combination-drive versions of similar Würth assembly screws are worth considering.
The Würth #8 x 1-1/2-inch flat head assembly screw covers the most common panel thickness in cabinet construction with a point that starts clean, a head that seats flush, and a thread that holds in the materials shops use every day.
Sold In: 1000 Each
