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The Würth #8 x 1-inch Flat Head Assembly Screw is a coarse-thread Phillips-drive fastener designed for cabinet assembly work where a short screw is the right screw. The 1-inch length suits thin panels, cabinet backs, shallow joinery, and hardware backing plates where a longer screw would over-penetrate or risk breaking through the opposite face.
A 1-inch screw finds its footing in situations where a longer fastener becomes a liability. Attaching a hardware backing plate to a 3/4-inch panel, securing a cabinet back into a rabbet, or fastening drawer guide mounting cleats to a side panel are all jobs where tight penetration depth matters. Drive a 2-inch screw into 3/4-inch stock without a careful eye, and you blow out the face. The 1-inch length keeps you in control. It also works for light-duty joinery in thinner material such as 1/2-inch plywood drawer bottoms or 3/8-inch cabinet backs where thread engagement is sufficient for the load.
Panel joinery and hardware backing are the core use cases. The coarse thread pulls tight in wood fiber and holds there, and the Type 17 Auger point starts cleanly without requiring a pilot hole in most softwood and plywood applications.
The flat head is designed to countersink flush with the surface. The milling nibs on its underside do that work automatically as the screw seats, cutting a clean recess in wood-based materials without a separate countersink operation. This keeps production moving in a cabinet shop and produces a consistent, flush result on visible interior panels. The zinc finish is suited to dry, climate-controlled indoor environments typical of cabinet manufacturing and installation work. This is an interior fastener.
Cabinet shops, finish carpenters, and installers reach for the 1-inch length when the job calls for a screw that holds without going too deep. Hardware backing, thin-panel attachment, and rabbet assembly are common stops. The 1000-screw box keeps a well-stocked bench without requiring constant restocking during a production run, and the standard #2 Phillips drive means no bit changeover.
The 1-inch length is the right choice when penetration depth is constrained, such as fastening into 3/4-inch stock without breaking through, attaching hardware to a thin panel, or securing a cabinet back in a shallow rabbet. A longer screw in those situations risks over-penetrating the material.
In most softwood and plywood applications, the Type 17 Auger point clears material as it drives and does not require a pre-drilled pilot hole. In dense hardwood or when fastening very close to an edge, a pilot hole reduces the risk of splitting.
The Type 17 Auger point has a longitudinal flute near the tip that removes wood fiber as the screw enters the material. This reduces the torque needed to drive the screw and lowers the risk of splitting compared to a plain sharp point, particularly in harder or denser wood.
At 1 inch, this screw is too short for most face-frame pocket-hole joinery, which typically calls for 1-1/4 inch in 3/4-inch stock. It is better suited to hardware backing, thin-panel fastening, and rabbet assembly where the shorter length is an advantage.
No. The zinc finish provides standard corrosion protection for dry indoor environments. For exterior work or areas with sustained moisture exposure, choose a screw with a coating rated for that environment.
When the job demands a short screw that countersinks cleanly, holds in thin stock, and drives with a standard bit, the Würth #8 x 1-inch Assembly Screw delivers exactly that, 1000 to the box and ready for the bench.
Sold In: 1000 Each
