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The Würth #8 x 1-1/2" flat head assembly screw is a coarse-thread wood screw built for cabinet and casework assembly where 3/4-inch material is the common stock thickness. A Type 17 Auger point, underhead nibs, and a #2 square drive combine into a screw that starts cleanly, seats flush, and holds reliably in the engineered panels and hardwoods that make up most cabinet boxes and face components.
Cabinet assembly regularly comes back to 3/4-inch sheet goods: plywood sides, MDF shelves, particleboard floors, and melamine-faced panels. A 1-1/2" screw passes through a 3/4-inch face piece and bites into the second member with enough thread engagement to draw and hold the joint. That range covers attaching back panels to cabinet sides, fastening nailer rails inside the box, and securing shelf standards to interior panels. It also works well for pocket-hole joints in 3/4-inch stock, where the angled bore positions the screw at exactly the right depth across the joint line. At #8 gauge, the shank is substantial enough for furniture-grade holding power without being so large that it risks blowout near an edge in thinner engineered panels.
The Type 17 Auger point features an extended flute that removes chips ahead of the thread, which is especially useful when driving into hardwood plywood or solid-wood nailers inside a cabinet box. The flute reduces the torque spike that causes drivers to jump or snap heads in production-speed work. Once the screw nears the surface, the underhead nibs take over, cutting a shallow countersink so the flat head seats level with the panel face. The result is a flush finish on visible interior surfaces without adding a countersink pass to the workflow. The #2 square drive completes the picture: the recess geometry holds the screw on a correctly sized square bit during placement, which matters when the other hand is holding a panel in position inside a cabinet carcase.
A pail of 5000 is sized for cabinet shops, millwork operations, and finish-carpentry crews who go through assembly screws steadily. Pail packaging is convenient for movement around the shop or to the job site. The zinc finish is appropriate for the dry indoor environments where most cabinet assembly happens. Coarse thread is the correct choice for the softwood, plywood, and engineered panel materials that dominate cabinet box construction; the wider thread pitch grabs more fiber volume per revolution for strong pull-out resistance. Shops that use a pocket-hole jig for face-frame joinery or box assembly will find this length and gauge combination in the standard recommended range for 3/4-inch stock, making it a screw that crosses over between box assembly and face-frame attachment without needing a separate part number for each task.
When one 3/4-inch panel meets another at a butt joint or pocket-hole joint, a 1-1/2" screw passes through the near panel and threads into the far member with roughly 3/4 inch of bite, which is the minimum typically needed for reliable pull-out resistance in plywood and MDF. Shorter screws undercut that engagement; longer ones risk breaking through the opposite face on thin stock.
This screw carries a coarse thread, which is best suited for softwood, plywood, MDF, and particleboard. For hardwood face frames in maple, oak, or cherry, a fine-thread face-frame screw is the better choice because coarse threads can strip in tight-grained hardwood rather than holding firm.
A standard sharp point pushes wood fibers aside as it enters. The Type 17 Auger point has an extended flute that cuts and removes those fibers, which lowers driving torque and reduces the risk of splitting near edges or in denser panel materials. It is especially useful when driving into hardwood plywood or solid-wood nailers at speed.
In most softwood and engineered panel materials, yes. The nibs under the flat head mill a shallow countersink as the screw seats, allowing the head to finish flush without a separate drill pass. In very hard or dense materials, a light countersink pilot can still help achieve a clean result.
Zinc plating provides standard corrosion protection for dry indoor environments. It is appropriate for typical cabinet interiors in kitchens and baths where the screw is not in direct contact with water. For applications with consistent moisture exposure, a more robust finish should be specified.
When 3/4-inch stock is on the bench and the job calls for a screw that starts fast, seats flush, and holds without drama, this #8 x 1-1/2" assembly screw delivers exactly that, 5000 times per pail.
Sold In: 5000 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each |  WW90210 Mfr# 0614176153961 1 | #2 x 1" Square Drive Insert Bit, 2 Piece Bit | ||||
Sold in: 1 Each |  WW90220 Mfr# 0614176139961 1 | #2 x 2" Square Drive Insert Bit, 2 Piece Bit | ||||
Sold in: 1 Each |  WW90230 Mfr# 0614176140961 1 | #2 x 3" Square Drive Insert Bit, 2 Piece Bit | ||||
Sold in: 1 Each |  WW90240 Mfr# 0614176142961 1 | #2 x 4" Square Drive Insert Bit, 2 Piece Bit | ||||
Sold in: 1 Each |  WW90260 Mfr# 0614176143961 1 | #2 x 6" Square Drive Insert Bit, 2 Piece Bit |