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Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Product Group:
- Screws
- Sub Division:
- Electrical-E H2
- Department:
- Fasteners
- Product Subgroup:
- Machine Screws
- Product Type:
- Tamper-Resistant Machine Screw
Metallics TP322SFC – Frequently Asked Questions
1) What driver do I need for a spanner head tamper-resistant screw like the TP322SFC?
Spanner head, also called snake eye, takes a two-pin spanner bit, not a Phillips or a Torx. The two pins drop into the two round holes in the screw head. A standard screwdriver will not turn it, which is the point of the tamper-resistant head. Order the matching spanner bit or driver in the same 1/4-20 head size range if you do not already have one on the truck.
2) Why use a tamper-resistant screw instead of a standard Phillips machine screw?
Tamper resistance is the whole reason to specify the TP322SFC. In public restrooms, transit areas, schools, correctional work, and exposed electrical enclosures, a Phillips or slotted screw can be backed out with a dime or a pocket driver. The spanner head needs a dedicated two-pin bit, which keeps covers, plates, and panels where the installer left them. Same 1/4-20 x 1-1/2 fastening job, different security level.
3) Will a flat head screw sit flush on my panel or cover plate?
A flat head seats flush only in a countersunk hole. The TP322SFC head is tapered to drop into an 82 degree countersink; if your cover or bracket has a straight drilled hole with no countersink, the head will stand proud. Check that the plate you are fastening is countersunk before ordering flat head rather than a pan or truss head.
4) How much material thickness can a 1-1/2 inch long 1/4-20 screw fasten?
With a flat head, the 1-1/2 inches is measured from the top of the head to the point, since the head sinks into the countersink. So the full 1-1/2 inches is your working grip plus thread engagement. Subtract the thickness of what you are fastening through to see how much thread is left to engage the tapped hole or nut, and allow at least one diameter, about 1/4 inch, of engagement.
5) How many screws come in a box of Metallics TP322SFC?
100 pieces per box. For MRO stocking that is usually enough for a run of restroom partitions, device covers, or panel fastening on a single building without reordering mid-job. Model number to order is TP322SFC.
How fast can I get the Metallics TP322SFC 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 TP322SFC come with a warranty?
Absolutely. The Metallics TP322SFC 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 TP322SFC?
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 TP322SFC 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.