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Nut 7/8-9 Hex Nut 18-8 S/S (25pcs)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Nuts
Metallics SN789 – Frequently Asked Questions
1) What thread size and pitch is the Metallics SN789 hex nut?
The SN789 is a 7/8-9 hex nut, meaning a 7/8 inch nominal diameter with 9 threads per inch. That is the UNC coarse pitch for 7/8 inch, so it mates with standard 7/8-9 coarse threaded rod, anchor bolts, and hex bolts. It will not thread onto 7/8-14 fine thread fasteners.
2) Is the SN789 nut stainless steel, and what grade?
It is 18-8 stainless steel, the austenitic 300 series grade (roughly 18 percent chromium, 8 percent nickel) commonly supplied as 304. That makes it suitable for damp and outdoor work where a plain or zinc plated nut would rust, and it is non-magnetic in the annealed condition.
3) How many nuts come in a pack of Metallics SN789?
Each pack is 25 pieces of the 7/8-9 18-8 stainless hex nut. Worth sizing your order against the rod count on the job, since 7/8 inch hardware usually goes in on seismic bracing, trapeze hangers and large anchor bolts where you need two or three per point.
4) Can I use the SN789 stainless hex nut with galvanized or zinc plated threaded rod?
Mechanically it threads on fine, as long as the rod is 7/8-9 coarse. Be aware you are mixing metals: an 18-8 stainless nut on zinc or galvanized rod puts dissimilar metals in contact, and in wet or exterior locations that can accelerate corrosion of the plated rod. For outdoor and damp runs, match the rod to stainless.
5) What part number do I order for a 7/8-9 stainless hex nut from Metallics?
Order Metallics SN789. That is the manufacturer part number for the 7/8-9 hex nut in 18-8 stainless, supplied 25 to a pack, and it is the only configuration offered under that number.
6) Is this a finished hex nut or a heavy hex nut?
The SN789 is a hex nut in 7/8-9, 18-8 stainless. If your drawing calls out a heavy hex nut, that is a different part with a larger across-flats dimension and thicker body, and a standard hex nut is not a substitute where the spec names heavy hex for structural bolting.
How fast can I get the Metallics SN789 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 SN789 come with a warranty?
Absolutely. The Metallics SN789 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 SN789?
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selection,
installation tips, and troubleshooting. Contact Us
Why buy the Metallics SN789 from ZenSupply?
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