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The Würth #8 x 2-3/4" ASSY Assembly Screw is a flat head, fine thread fastener built for cabinet, casework, and woodworking applications where the joint depth calls for more screw length. The RW20 drive, drill point, and milling nibs work together to start cleanly, seat flush, and hold reliably in hardwoods, softwoods, and engineered panels.
The 2-3/4" length reaches into joints that shorter ASSY screws cannot fully engage. This makes it a practical choice when fastening through a face component into a thicker panel or secondary member, joining stacked material in casework, or anchoring hardware backing where the full thread needs to seat deep into the substrate. For cabinet builders working in hardwood species like maple, oak, or cherry, the fine thread at this length provides consistent bite without the splitting risk that a coarse thread can introduce at deeper drive depths. The drill point handles starting without pre-drilling in most of these applications, keeping the workflow moving.
Fine thread is the right choice for hardwood assemblies because the closer thread spacing grips dense grain without wedging or splitting the surrounding material. Paired with the drill point, the screw enters cleanly and clears chips as it advances through the full 2-3/4" of travel. The milling nibs on the underside of the flat head do the countersink work as the screw is driven, cutting the recess and collecting chips so the head seats flush. In finished or laminated surfaces, that flush seating matters for the final appearance of the cabinet or panel.
Cabinet shops, millwork teams, and finish carpenters working with thicker hardwood or multi-layer assemblies will find the most use for this length. It suits production environments where the same joint is repeated across many units and consistency of seating depth matters. The RW20 drive is particularly useful in those settings: the deeper recess and broader wing contact reduce bit wear during high-volume driving and keep the bit engaged under the torque an impact driver delivers. A compatible RW20 bit ships in the box, so the first box is ready to run without a separate bit order. This screw is intended for dry indoor use consistent with its zinc finish.
Fine thread is sized for hardwood and dense engineered panels. At 2-3/4", a coarse thread driving through dense material like maple or oak can generate enough radial pressure to split the surrounding stock. Fine thread reduces that risk while still providing strong withdrawal resistance in the joint.
The drill point is designed to start and advance without a separate pilot hole in most cabinet and woodworking substrates. In very dense hardwood or when fastening very close to an edge, a pilot can help. Actual results depend on the material, thickness, and edge distance.
The milling nibs on the underside of the head cut and collect chips as the screw seats, creating the countersink during the drive rather than requiring a separate countersink drill operation. The head sits flush without tearing the surface of laminates or finished hardwood.
This screw uses an RW20 drive bit. A compatible bit is included in the 200-piece box.
The zinc finish is suited for dry, indoor cabinet and woodworking applications. It is not intended for exterior or high-moisture environments.
When the joint is deeper and the material is dense, the Würth #8 x 2-3/4" ASSY Assembly Screw gives cabinet builders and millwork crews the length, thread form, and drive engagement to fasten cleanly and hold reliably without slowing the work down.
Sold In: 200 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 10 Each |  WW06147020 Mfr# 061470 20 961 10 | RW20 ASSY Insert Drive Bit |
