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The Würth #8 x 1" ASSY Assembly Screw is a flat head, fine-thread screw built for cabinet assembly, hardware backing, and panel joinery where material thickness limits how deep a fastener can go. The 1-inch length keeps the screw within thinner stock while the ASSY drill point and RW20 drive deliver the clean start and positive bit engagement that production work demands.
A 1-inch screw threads fully into material without risk of blowing through the opposite face, which matters when you are fastening into cabinet sides, drawer box walls, or mounting plates where the panel is 3/4 inch thick or hardware backing adds only a shallow landing zone. It is also the right reach for attaching thin face-frame components to a panel face, securing inset hardware clips, or joining back panels to shelf edges where a longer screw would over-penetrate. The fine thread grips hardwood and dense composite without the aggressive bite of a coarse thread, reducing the chance of cracking or splitting in close-tolerance joinery.
The drill point pierces cabinet-grade hardwood, MDF, and laminated particleboard cleanly, removing chips as the screw advances so the thread engages without the material swelling around the shank. In production settings where the same fastening sequence repeats dozens of times per hour, a screw that starts reliably cuts setup time and reduces rejects. The RW20 drive pairs a deep recess with broad wing contact, so the bit transfers torque efficiently even at the end of a long bit extension. Bit wear slows noticeably when the drive geometry matches the fastener this precisely.
This screw fits naturally into two workflows. For cabinet shops running production on frameless or face-frame boxes, the 1-inch length covers the common shallow-fastening positions without requiring a length change at the driver. For finish installers working on site, a zinc flat-head screw that seats flush and holds in hardwood or plywood keeps the punch list moving without visible fastener heads to fill or conceal. The 1,000-piece box supports either use: enough volume to run a production order without resupply, and compact enough to carry in an installer's parts bin.
Fine thread creates more thread contact per inch in dense materials like hardwood, maple plywood, and MDF. That translates to better holding power and less tendency to strip in tight-grained wood compared to a coarse thread of the same gauge.
The drill point starts cleanly in hardwood, softwood, MDF, and laminated particleboard. Very thin or brittle laminates may benefit from a pre-drilled pilot at the entry face to prevent surface chipping.
The box contains 1,000 screws. RW20 bits are sold separately; confirm the bit is on hand before the production run starts.
The zinc finish is suited for dry indoor environments. For exterior or high-humidity applications, choose a screw with a corrosion-resistant coating rated for those conditions.
The 1-inch length is the shortest in the family, making it the right choice for shallow fastening into thin panels, hardware mounting plates, or back-panel edges. Longer lengths in the same line cover deeper stock and through-panel joints.
When the material is thin and the fastening position is shallow, putting the correct 1-inch screw in the driver the first time avoids over-penetration, rework, and wasted stock. That is what this screw is here to do.
Sold In: 1000 Each
