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The Würth #8 x 1-3/16" Flat Head ASSY Screw is a coarse-thread assembly screw engineered for cabinet construction, casework, and woodworking joints where shorter fastener length and accurate seating matter. The 1-3/16" length is sized for panels and components where a standard 1-1/4" or longer screw would over-penetrate, making it a practical choice for drawer boxes, face-frame attachment, and thin-panel assembly work.
Cabinet assembly regularly calls for screws in stock thicknesses that fall between the reach of a 1" screw and the penetration of a 1-1/4". A 3/4" panel joined to a 1/2" back, a drawer box side running into a bottom, or a face-frame rail attached to a thin panel box are all situations where a 1-3/16" length lands the thread engagement right without pushing through the far face. For shops running production on standard cabinet carcasses or drawer components, this length removes the guesswork about over-penetration and keeps assembly moving cleanly.
The ASSY coarse thread is designed to reduce screw-in force, which matters most in high-repetition assembly environments where driver fatigue and bit wear accumulate over a shift. The sharp point self-starts in most cabinet materials without a separate pilot hole, and the milling nibs under the flat head cut their own countersink as the screw drives to final depth. Together these features let the screw go from placement to flush-seated in a single motion, which is where the real time savings in a production shop comes from. The RW20 drive supports that pace with a deep, positive recess that transfers torque cleanly and holds the bit engaged through the full seating stroke.
This screw is built for interior woodworking. The zinc finish performs well in dry shop and jobsite conditions: cabinet carcass assembly, drawer box construction, face-frame attachment, and millwork panel joinery are all natural fits. Shops building frameless or face-frame cabinets in volume will find the 500-count box practical for keeping a supply at the bench or station without constant restocking. For any application where moisture or exterior exposure is a factor, a corrosion-resistant finish should be specified instead.
The 1-3/16" length is useful when the combined panel thickness leaves only a narrow margin before the tip would break through the back face. Drawer box assembly and thin-panel carcass work are common situations where that extra 1/16" of clearance matters.
The RW20 drive uses the Würth RW drive system. It is a proprietary recess designed specifically for Würth ASSY screws and requires the matching RW20 bit. Standard Torx or star-drive bits are not interchangeable with the RW system.
In most interior cabinet materials — particleboard, MDF, softwood, and laminate-faced panels — the nibs mill a clean countersink as the screw seats. On very dense hardwood, a light countersink beforehand produces a cleaner result.
Yes. The 1-3/16" length and coarse thread work well for joining drawer box sides to bottoms and fronts in standard 1/2" and 5/8" drawer material, where controlled penetration depth is important.
The zinc finish is suited to dry indoor environments. For exterior or high-humidity applications, choose a screw with a corrosion-resistant coating rated for that exposure.
The Würth #8 x 1-3/16" ASSY Screw keeps interior cabinet and millwork assembly on pace: the length fits where longer screws cannot, the thread and point drive cleanly without extra steps, and the RW20 recess holds up through a full production run.
Sold In: 500 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 10 Each |  WW06147020 Mfr# 061470 20 961 10 | RW20 ASSY Insert Drive Bit |
