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The Würth #6 x 2-1/4" drywall screw is built for single-layer gypsum board installations where the added length seats the fastener deep into wood framing. The twinfast double-lead thread drives with fewer turns per inch, the sharp point self-starts without pre-drilling, and the square drive gives solid bit engagement for production crews and one-person installs alike.
Standard 1-5/8 inch drywall screws are sized for 1/2-inch board directly over wood studs. When the assembly includes resilient channel, hat channel, or a wood furring layer under the board, the fastener needs more reach to grip the framing behind it. At 2-1/4 inches, this screw clears that extra material and still lands in the stud with enough thread engagement to hold the panel securely. It is also a common choice for 5/8-inch Type X board on walls or ceilings where deeper framing penetration is specified.
The twinfast thread uses two thread helices starting at offset positions on the shank. Each revolution of the driver advances the screw twice the distance of a single-start thread at the same pitch, which cuts the number of rotations needed to fully seat the fastener. On a long run of board, that time adds up. The #1 square drive pairs well with this thread pattern: the recess geometry holds the bit without the cam-out tendency of a Phillips head, so the screw seats to a consistent depth rather than spinning past it. The black finish provides the mild corrosion resistance needed for dry interior framing environments.
Finish carpenters and drywall crews working over resilient or furring assemblies use this length as their standard choice when 1-5/8 inches comes up short. Remodelers patching or adding a layer to existing walls also keep 2-1/4 inch screws on hand for attaching through the new board and into the original framing. The 1000-piece box suits a full commercial hang or a residential project with several rooms, and the square drive means a single #1 bit covers the entire box without swapping out.
The extra length is useful when the board is mounted over resilient channel, hat channel, or furring strips, or when 5/8-inch Type X board calls for deeper framing penetration. For direct-to-stud 1/2-inch board, a shorter screw typically covers the job; this length is the right call when there is additional material between the board and the framing.
A twinfast thread has two helical thread paths that begin at offset points on the shank. The screw advances twice as far per revolution compared to a single-lead thread, which means fewer driver rotations to fully seat each fastener. On a long wall or ceiling hang, that difference in drive speed adds up across hundreds of screws.
Yes. This screw uses a #1 square drive, which accepts standard #1 Robertson bits. Square drive bits are widely available and are a common choice for drywall installation because the recess resists cam-out during high-speed driving.
This is a W-type drywall screw with a sharp point and coarse twinfast thread suited for wood framing. It is not designed for metal stud framing, which requires an S-type screw with a self-tapping point and fine thread.
The black finish on this screw provides mild corrosion resistance for dry interior environments. It is not rated for exterior use or high-moisture areas such as bathrooms without additional protection measures. For those conditions, choose a screw with a galvanized or corrosion-resistant coating.
When the framing assembly calls for more reach, the Würth #6 x 2-1/4" drywall screw delivers the length, thread speed, and drive reliability to keep the job moving from first sheet to last.
Sold In: 1000 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each |  WW90220 Mfr# 0614176139961 1 | #2 x 2" Square Drive Insert Bit, 2 Piece Bit | ||||
Sold in: 1000 Each |  WW24010 Mfr# 3670000178961 1000 | Würth #6 x 1-5/8" Flat Head Drywall Screw Square Drive - Sharp Point Twinfast Thread Black, 3670000178961 1000 - 1000/Box | ||||
Sold in: 1 Each |  WW90240 Mfr# 0614176142961 1 | #2 x 4" Square Drive Insert Bit, 2 Piece Bit |