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The Kreg SPS-C1-250 is a #7 x 1-inch coarse-thread pocket-hole screw sized for joining 1/2-inch to 5/8-inch softwood, plywood, and MDF stock. The modified pan head, square drive, and Type 17 Auger point work together for fast, clean pocket-hole assembly — pulling joints tight without the head burying through the face.
Pocket-hole screw length is matched to material thickness, and the 1-inch length is the right call for thinner stock. It is the standard choice when joining 1/2-inch panels, assembling plywood drawer boxes, or pulling 5/8-inch sheet-good components together in a cabinet carcass. Driving a longer screw into thin stock risks the tip breaking through the opposite face — the 1-inch length keeps the point safely within the material. For 3/4-inch face-frame stock, the 1-1/4-inch length is the standard match; this 1-inch screw is at its best one step down, in the thinner work a shop regularly encounters alongside its 3/4-inch stock.
Coarse thread is the right thread form for softwood, plywood, and MDF because the wider thread pitch grabs more fiber per revolution in low-to-medium density material, resisting pull-out without requiring a pilot hole. The modified pan head keeps the bearing surface flat and wide so the screw seats against the pocket wall rather than embedding into it — maintaining clamping pressure across the joint. Zinc plating provides the corrosion protection appropriate for dry, indoor cabinetry and furniture work, which is where pocket-hole joinery almost always lives.
Cabinet shops assembling plywood box carcasses, furniture makers joining 1/2-inch panels, and installers building out base units with sheet-good components all encounter the need for a reliable 1-inch pocket-hole screw. It is also the screw that finishes a box of mixed-thickness work when 3/4-inch stock is handled by a longer screw and the thinner panels need their own fastener. At 250 per box, there is enough supply to run through a multi-cabinet project or a day of production assembly without running short mid-job.
The 1-inch length is sized for joining 1/2-inch to 5/8-inch stock — thinner panels, plywood drawer boxes, and sheet-good cabinet components. For 3/4-inch face-frame or carcass work, use the 1-1/4-inch length instead.
Coarse thread is the correct choice for softwood, plywood, and MDF. The wider thread pitch grabs more material per revolution in lower-density substrates, giving strong pull-out resistance. Fine thread is reserved for hardwoods like maple, oak, and cherry where the tighter pitch prevents splitting in dense grain.
No. The modified pan head is designed to bear flat against the pocket wall — it does not countersink into the material. The pocket-hole jig positions the screw at the correct angle so the head seats naturally without any additional prep.
This screw carries a coarse thread, which is the right thread for softwood, plywood, and MDF. Hardwood face frames in maple, oak, or cherry need a fine-thread screw to avoid splitting the grain — use the fine-thread version of the Kreg face-frame screw for those applications.
The product attributes do not confirm an included bit for this SKU. Check the box contents at time of purchase, or order a #2 square drive bit separately to ensure the right fit.
When the stock is thin and the joint needs to close clean, the 1-inch coarse-thread pocket-hole screw does the work without drama — correct length, correct thread, correct head, square drive for solid bit engagement. It is the screw that belongs beside every pocket-hole jig setup handling plywood and sheet goods.
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