You may also like
Screws 12 x 1/2 FH Hx Pin TR SMS 18-8 (100 pcs)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics TP527SFC – Frequently Asked Questions
1) What size and type of screw is the Metallics TP527SFC?
The TP527SFC is a #12 x 1/2 inch sheet metal screw with a flat head and a hex pin tamper-resistant drive, made from 18-8 stainless steel. It ships 100 pieces to a box.
2) Do I need a special driver for the hex pin tamper-resistant screw on the TP527SFC?
Yes. The drive is a hex socket with a center pin, so a standard hex key or hex bit will not seat. You need a pin-in-hex (tamper-resistant hex) bit with a hole drilled down the center to clear the pin. Order the matching bits with the screws if your crew doesn't already carry a tamper-resistant bit set.
3) Will 18-8 stainless screws hold up outdoors or in a damp electrical enclosure?
18-8 stainless is the standard austenitic stainless used for general corrosion resistance, so the TP527SFC handles damp interiors, washdown areas, and normal exterior exposure. For coastal salt spray or chemical exposure, a 316 stainless fastener is the better call.
4) Does the flat head on the TP527SFC sit flush, and what prep does that need?
It's a flat head, so it's meant to sit flush or below the surface in a countersunk hole. On sheet metal you need a countersunk or dimpled hole for it to pull down flush; drilled straight through a flat panel the head will stand slightly proud. If you want a head that seats on a flat surface with no countersink, use a pan head or hex washer head screw instead.
5) Is a 1/2 inch sheet metal screw long enough for what I'm fastening?
At 1/2 inch overall length, and with a flat head that countersinks into the material, the usable thread engagement is short. It suits thin sheet metal, cover plates, enclosure doors, and panel trim where the screw only has to bite through one or two layers of sheet. If you're going into thicker stock or stacking materials, step up to a longer screw in the same #12 size.
6) Will a #12 sheet metal screw work in a hole already drilled for a #10?
No, not cleanly. A #12 is a larger major diameter than a #10, so it will either bind or strip the thinner sheet as it forces through. Redrill to the correct pilot for a #12 sheet metal screw, or order a #10 tamper-resistant screw to match the existing holes.
7) Why use a tamper-resistant screw on electrical covers instead of a regular one?
Tamper-resistant heads keep covers, guards, and enclosure panels from being opened with common tools, which is the usual reason they go on public-area electrical work, schools, transit, restrooms, and detention or institutional jobs. The TP527SFC pairs that pin-in-hex head with 18-8 stainless, so it also handles the corrosion side on exterior or washdown openings.
8) How many Metallics TP527SFC screws come in a box?
One hundred pieces per box. Since the drive is pin-in-hex tamper resistant, plan on ordering the matching bits separately; they are not part of the 100-piece count.
How fast can I get the Metallics TP527SFC 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 TP527SFC come with a warranty?
Absolutely. The Metallics TP527SFC 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 TP527SFC?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Metallics TP527SFC from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.