You may also like
Screw 8-32 x 5/8 SHCS FH St-Blk (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 JFSC858 – Frequently Asked Questions
1) Is the JFSC858 screw a flat head or a round head?
Flat head. The JFSC858 is a socket head cap screw with a flat head (FH), so it seats flush in a countersunk hole rather than standing proud of the surface. If you need the head to sit above the material, this is the wrong screw.
2) Can I use the JFSC858 to mount receptacles and switches in a steel box?
Yes, provided the hole is countersunk. Device yokes and steel boxes are tapped 8-32, which matches this screw's thread, and the 5/8 inch length gives enough engagement for standard device mounting. Because it is a flat head socket screw, it needs a countersink to sit flush; in a plain flat-drilled yoke hole the head will stand proud.
3) What driver do I need for the Metallics JFSC858 screw?
It takes a hex key (Allen) driver, not a screwdriver. The JFSC858 is a socket head cap screw, so the head is driven from an internal hex socket. Keep a set of hex keys or hex bits on the truck if you are installing these.
4) What is the finish on the Metallics 8-32 x 5/8 socket head screw, and can I use it outdoors?
The JFSC858 is steel with a black finish (St-Blk). Black oxide style finishes on steel fasteners are for indoor, dry use; they are not a corrosion barrier. For damp, exterior, or wash-down locations, specify a stainless or hot dip galvanized fastener instead.
5) How many screws come in the Metallics JFSC858 pack?
They ship 100 to a jar. The jar pack is what MRO and electrical crews stock on the shelf, so one order covers a lot of device and cover plate work without rebuying loose screws.
6) What part number do I order for the Metallics black 8-32 x 5/8 socket head flat head screw?
Order Metallics JFSC858. That is the manufacturer part number for the 8-32 x 5/8 inch steel black socket head cap screw with a flat head, packed 100 per jar. There is a single configuration under that number, so there is no finish or length to specify separately.
How fast can I get the Metallics JFSC858 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 JFSC858 come with a warranty?
Absolutely. The Metallics JFSC858 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 JFSC858?
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 JFSC858 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.