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Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics TP313SFC – Frequently Asked Questions
1) What thread size and length is the Metallics TP313SFC machine screw?
The TP313SFC is a 10-24 x 3/4 inch machine screw, so it is a #10 diameter with 24 threads per inch and a 3/4 inch length. Being a machine screw rather than a self-tapping screw, it needs a tapped hole or a mating nut at 10-24; it will not cut its own thread in sheet metal. It ships 100 pieces to the pack.
2) What driver do I need for a spanner head tamper-resistant screw like the TP313SFC?
The TP313SFC uses a spanner drive, also called a snake eye, which has two small round holes in the head rather than a slot or cross recess. You need a spanner bit or spanner screwdriver sized for the #10 head. No standard Phillips, slotted, or Torx driver will turn it, which is the point of the design, so order the bit with the screws if your crew does not already carry one.
3) Will a flat head spanner screw sit flush in my cover plate?
Yes, provided the hole is countersunk. The TP313SFC has a flat head, which is designed to seat into an 82 degree countersink and finish flush with the surface of the plate or enclosure cover. In a plain drilled hole without a countersink the head will stand proud. If you need the head to sit on top of the surface instead, a pan or truss head tamper screw is the better choice.
4) Are these Metallics tamper screws made in the USA?
Yes. The TP313SFC 10-24 x 3/4 flat head spanner machine screw is USA made, which matters on public and institutional work carrying domestic sourcing requirements on fasteners.
5) What is the Metallics tamper-resistant spanner screw typically used for on electrical work?
Tamper-resistant spanner machine screws like the TP313SFC are used where a cover should not come off with a common hand tool: device and receptacle plates in schools, transit, detention and public restrooms, junction box and pull box covers, and enclosure doors. At 10-24 x 3/4 inch it suits tapped plate and enclosure holes rather than wood or drywall.
6) How many screws come in a pack of Metallics TP313SFC?
Each pack of TP313SFC is 100 screws, so a single pack covers roughly 50 two-screw device plates or 25 four-screw covers. Order by the pack when you are standardizing tamper hardware across a floor or a building.
How fast can I get the Metallics TP313SFC 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 TP313SFC come with a warranty?
Absolutely. The Metallics TP313SFC 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 TP313SFC?
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 TP313SFC 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.