Flat Head Wood Screw · Square Socket Drive · Zinc Finish · Fitsfast 6125SWSZFRC
Wood screw with a flat head and square socket drive for wood-to-wood fastening where a flush finish is preferred. Zinc finish is commonly used for interior cabinetry, millwork, furniture, and general wood assembly; confirm size, gauge, and pack details before ordering.
What this product is for
This product is a wood screw for fastening wood components together where a countersunk, flush finish is required. The flat head seats into the material surface, and the square socket drive is commonly selected for controlled installation with reduced cam-out compared with basic slotted or Phillips styles.
Use for
Use for cabinetry, furniture assembly, millwork, trim backing, and general interior wood-to-wood fastening. It is commonly used where installers want a clean finished surface and a positive square-drive bit engagement.
Avoid for
Avoid using this screw where a manufacturer-approved exterior or corrosion-resistant fastener is required, or where structural load ratings must be documented. For treated lumber, exterior exposure, or engineered structural connections, use a fastener specifically rated for that application.
Best for
Best for interior shop work, casework, fixture installation, and repair work where a flush head and square socket drive matter more than structural certification.
Installed in
Typically installed in softwood, hardwood, plywood, particleboard, MDF, and similar wood-based materials. Pilot holes are typically recommended in hardwoods and near board edges to help reduce splitting. Actual performance depends on material density, pilot size, installation method, and local code requirements where applicable.
Why this product exists
This screw style exists to give installers a wood fastener that finishes flush with the surface while still using a positive square socket drive. Zinc-coated steel wood screws are commonly chosen for dry interior applications where appearance and straightforward installation are important.
Compared with similar products
Compared with round head or pan head screws, a flat head wood screw is better when the head needs to sit flush. Compared with exterior deck screws, a zinc-finished interior wood screw is typically better suited to dry indoor environments rather than weather exposure. Compared with Phillips drive screws, square socket drive screws are commonly preferred by trades for bit retention and installation control.
Specifications
- Product type: Flat head wood screw
- Drive style: Square socket
- Material: Steel, based on distributor listing
- Finish: Zinc, based on distributor listing
- Head style: Flat head for flush seating
- Application: Interior wood-to-wood fastening
- Brand: Fitsfast
- Manufacturer part number: 6125SWSZFRC
- Country market content: Canada-ready English rewrite
- Important note: Exact diameter, length, thread pattern, and package quantity were not confirmed from authoritative manufacturer data and should be verified before purchase
- ApplicationInterior wood-to-wood fastening
- MaterialSteel, based on distributor listing
- Head StyleFlat head for flush seating
- FinishZinc, based on distributor listing
- Drive StyleSquare socket
- Important NoteExact diameter, length, thread pattern, and package quantity were not confi
- Country Market ContentCanada-ready English rewrite
- BrandsFitsfast
- Stock in Elmira1
- Stock in Flesherton2
Aptico Supply Delivery
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Local delivery routes, pickup options, and contractor-focused service from our Elmira and Flesherton locations.
Delivery Built Around Electrical Contractors
Aptico Supply helps electricians, contractors, and commercial buyers get the electrical materials they need without unnecessary delays. Whether you are ordering for a jobsite, restocking service inventory, or arranging pickup, our delivery options are designed to keep work moving.
Free Daily Delivery
Free daily delivery is available for larger contractor accounts.
- Order by 9:00 AM for morning delivery
- Order by 2:00 PM for afternoon delivery
- Available in qualifying local delivery areas
Free Weekly Delivery
Free weekly delivery is available for smaller accounts in select service areas.
- Elmira area delivery: Tuesday
- Flesherton area delivery: Thursday
- Order by 11:00 AM on the route day
Pickup Options
Pickup is available from our Ontario locations for customers who prefer to collect their order directly.
- Elmira pickup available
- Flesherton pickup available
- Call ahead for large or special-order items
Local Delivery Areas
See our local delivery coverage below. Delivery charges may apply outside regular route areas or for oversized items.
Delivery Questions
Do you offer free delivery?
Yes, free delivery is available for qualifying contractor accounts and selected local delivery routes.
Can I pick up my order?
Yes, pickup is available from our Elmira and Flesherton locations.
Do delivery charges apply?
Delivery charges may apply outside regular local routes, for smaller orders, or for oversized and heavy items.
Can you deliver to jobsites?
Yes, jobsite delivery may be available depending on the order size, location, and delivery schedule.
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Contact Aptico Supply to confirm your delivery options, pickup availability, or contractor account eligibility.
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