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Anchor 1/4 x 2-3/4 Flat Hd Square Drive Concrete Screw Nail Point USA (100pcs)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics FSCS40 – Frequently Asked Questions
1) Do I need a plastic or lead anchor shield with these concrete screws?
No. The FSCS40 cuts its own thread directly into the masonry, so there is no sleeve, shield, or expansion plug to set first. Drill, blow the hole out, drive the screw. That also means it can be backed out and the hole reused for the same size screw, which is why electricians use them for temporary strut runs and for conduit straps that may get repositioned.
2) Will a flat head concrete screw sit flush, or does it stand proud of the surface?
The FSCS40 has a flat head, so it bears on the surface of whatever you are fastening rather than countersinking itself. In a conduit strap, strut channel, or steel bracket with a plain hole it sits on top of the material like a washer-less pan fastener. If you need the head buried in wood or a finished surface, counterbore the hole first; the screw will not pull itself down flush on its own.
3) What drive bit fits the Metallics FSCS40, and can I use a Phillips?
Square drive only. The FSCS40 head is a square (Robertson) recess, so a Phillips or Torx bit will cam out and chew the head. Keep square drive bits of the right size in the gun before you start a run of these, because a stripped head in a cured hole is difficult to extract.
4) Can I use the FSCS40 in concrete block and brick, or only poured concrete?
The FSCS40 is a concrete screw with a nail point, and screw anchors of this type are driven into poured concrete, solid block, and brick. In hollow block, the screw must land in the solid web rather than the void, otherwise the thread has nothing to bite. Base material strength and embedment govern the load, so for anything structural follow the engineer's fastening schedule.
5) How many screws come in a box of Metallics FSCS40?
100 pieces per box, all 1/4 x 2-3/4 with the flat head and square drive, and made in the USA. That quantity suits a single-trade install such as a run of conduit straps or a set of panel and box mounts; for a multi-floor fit-out, order by the number of boxes you need rather than by loose count.
6) What is the correct Metallics part number to reorder the 1/4 x 2-3/4 square drive concrete screw?
Order Metallics FSCS40. That number covers the 1/4 x 2-3/4 flat head, square drive concrete screw with a nail point, boxed 100 pieces. Metallics uses the same FSCS prefix across the family with different suffixes for other diameters and lengths, so match the full number when you are restocking a specific length.
How fast can I get the Metallics FSCS40 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics FSCS40 come with a warranty?
Absolutely. The Metallics FSCS40 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics FSCS40?
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