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Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Screws
- Sub Division:
- Electrical-E H2
- Department:
- Fasteners
- Product Subgroup:
- Wood and Construction Screws
- Product Type:
- Wood Screw
Metallics JMHGG158PRO1 – Frequently Asked Questions
1) Will a flat head screw sit flush, or do I need to countersink it?
The flat head on the JMHGG158PRO1 is a countersinking head, so it seats flush with or just below the surface when the material is soft enough to let the head pull in, or when the hole is countersunk. In harder material, pre-drill and countersink so you don't proud the head or split the stock. If you need the head to sit on top of the surface and span a larger bearing area, a flat head is the wrong choice.
2) What driver bit do I need for these star drive screws?
A star (Torx-style) bit, not a Phillips or square. Match the bit to the recess size before you start a run, since running a loose or wrong-size bit in a star recess will strip the head and leave you drilling it out. The JMHGG158PRO1 is a #8 screw, so it takes a small star bit in the range typical for that diameter.
3) How does the Metallics JMHGG158PRO1 screw come packaged?
These ship in a jar rather than a loose box or bulk carton. For a service van or a shop bench that's practical: the jar keeps the count contained and keeps the screws from migrating into the rest of your kit. If you're buying for a large production run, expect to order multiple jars rather than a single bulk pail.
4) Are these Metallics star drive screws intended for electrical work?
Yes, Metallics catalogs the JMHGG158PRO1 within its electrical supplies line, so it's the kind of general-purpose fastener electricians keep on hand for mounting boxes, straps, plates, and backing to wood framing. Nothing about the screw restricts it to electrical use, but that's the trade it's stocked for.
How fast can I get the Metallics JMHGG158PRO1 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 JMHGG158PRO1 come with a warranty?
Absolutely. The Metallics JMHGG158PRO1 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 JMHGG158PRO1?
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 JMHGG158PRO1 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.