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The Würth #8 x 1-3/16" Flat Head ASSY Screw is a fine-thread assembly screw built for cabinet panels, drawer boxes, and laminated components where a shorter fastener is exactly what the joint calls for. The 1-3/16" length seats fully without over-penetrating thinner stock, making it a go-to for production shops and finish carpenters working with 3/4" panels and face-frame material.
At 1-3/16", this screw lands in a practical range for cabinet carcass assembly using 3/4" panels: long enough to pull a joint tight and grip the mating piece, short enough to stay well clear of the opposite face. It suits drawer box construction, back panel attachment, and interior cabinet assembly where the combined stock thickness leaves little margin for a longer fastener. Shops running frameless or face-frame cabinetry with 3/4" melamine, plywood, or MDF will find this length useful anywhere the screw needs to bite solidly without punching through.
The drill point does the work of starting the screw cleanly, with sharp cutting edges and a centerpoint that keep it on target even on slick laminate surfaces. Fine thread is the right call for hardwood face frames and dense engineered panels, where a coarse thread would strip out rather than bite. The milling nibs under the flat head are a practical detail in finished interiors: as the head seats, the nibs cut their own countersink so the face sits flush without a pre-drilled recess. That combination of point, thread, and head geometry reduces setup steps and keeps assembly moving.
Cabinet shops and finish carpenters doing production runs in hardwood or laminated panels are the primary audience. The 500-count box suits a shop environment where the same screw goes in hundreds of times a day. Installers working on-site with pre-built cabinets will find the length appropriate for joining components or securing panels in tight spaces. This screw is for interior work — the zinc finish is suited to dry, controlled environments, not exterior exposure or pressure-treated lumber applications.
Fine thread provides better holding power in hardwood and dense engineered panels like MDF and laminated particleboard. Coarse thread is designed for softer substrates — in hard or dense materials, the finer pitch creates more thread engagement per inch and resists pull-out more effectively.
The RW20 drive uses Würth's RW system bit. It is not interchangeable with standard Torx or star-drive bits. Using the correct RW20 bit keeps the recess in good shape and maintains full torque transfer across a production run.
In most hardwoods, softwoods, MDF, and laminated panels, yes — the nibs mill a flush countersink as the head seats. In very hard or brittle materials, a light pilot countersink can improve the result, but the nibs handle the job in typical cabinet panel work.
For most 3/4" panel-to-panel joints, 1-3/16" provides adequate thread engagement in the mating piece without over-penetrating. It works well for drawer box assembly, cabinet carcass joints, and back panel attachment where the combined material thickness leaves limited depth to work with.
No. The zinc finish is rated for indoor, dry environments. Exterior use or contact with pressure-treated lumber requires a corrosion-resistant coating beyond standard zinc plating.
When the panel is 3/4", the material is dense, and the finished face needs to look clean, the Würth #8 x 1-3/16" ASSY Screw gives the joint exactly what it needs — no more depth than the stock can handle, and a flush head without extra prep work.
Sold In: 500 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 10 Each |  WW06147020 Mfr# 061470 20 961 10 | RW20 ASSY Insert Drive Bit |
