You may also like
Screw 8-32 x 1/2 Truss PH MS St-Zn (Jar 100)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics JTMP84 – Frequently Asked Questions
1) What size and thread is the Metallics JTMP84 screw?
The Metallics JTMP84 is an 8-32 x 1/2 inch machine screw with a truss head and a Phillips drive, in steel with a zinc finish. The 8-32 designation means a #8 diameter with 32 threads per inch, which is the standard machine screw thread used on electrical device boxes, plaster rings and cover plates.
2) Will an 8-32 x 1/2 truss head screw thread into a standard steel outlet box?
Yes. Steel outlet and switch boxes, mud rings and device brackets are tapped 8-32, so the JTMP84 threads straight in. The 1/2 inch length suits mounting devices, rings and plates where the screw does not have to reach through added depth; if you are shimming out through drywall or a thick ring, you need a longer 8-32.
3) Can I use these machine screws in drywall or wood?
No. The JTMP84 is a machine screw, meaning it has a uniform 8-32 machine thread with a blunt end and must go into a pre-tapped hole or a nut. It will not cut its own thread in wood, drywall or unthreaded sheet metal. For those you need a sheet metal, wood or self-drilling screw.
4) Why use a truss head instead of a round or pan head screw?
A truss head is wide and low, so it spreads bearing surface over an oversized or slotted hole and sits nearly flush. That is why it gets used on ground straps, brackets, and plates over knockouts. If you need the screw to sink into a countersunk hole instead, a flat head is the right choice, not a truss.
5) Is the Metallics JTMP84 screw suitable for outdoor or damp locations?
It is steel with a zinc plating, which is a general indoor and dry-location finish. Zinc plate gives light corrosion resistance but it is not a marine or exterior coating, so for wet locations or exposed exterior work use a stainless 8-32 machine screw instead.
6) How many Metallics JTMP84 screws come in a pack?
They ship 100 to a jar. The jar pack is the shop and truck-stock format, so an electrician or MRO buyer restocking a van bin gets a countable 100-piece container rather than loose bulk.
7) What drive bit do I need for the Metallics JTMP84?
It takes a Phillips driver. On a #8 head that is normally a #2 Phillips bit, which is the same bit most electricians already have in the drill for device screws.
How fast can I get the Metallics JTMP84 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 JTMP84 come with a warranty?
Absolutely. The Metallics JTMP84 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 JTMP84?
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 JTMP84 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.