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Nuts 3/4-10 G5 Hx Nut St-zn (Jar 25)
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Dimensional Standard:
- ANSI/ASME B182.2
- Division:
- Electrical H1
- Fastener Head Height:
- 41/64 in.
- Fastener Head Width:
- 1.088 - 1.125 in.
- Fastener Height:
- 0.617 - 0.665
- Fastener Width:
- 1.240 - 1.299
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Grade:
- 5
- Hardness:
- Rockwell C32
- Language Code:
- EN
- Material Standard:
- AISI 1008 - 1026
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Gr_5_and_8_Hardened_Steel_Hex_Nut.pdf
- Order Minimum Imperial:
- 25
- Order Minimum Uom Imperial:
- EA
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 4.57 in
- Product Length:
- 3 in
- Product Weight:
- 2.92 lbs
- Product Width:
- 3 in
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 10
- Department:
- Electrical
- Product Subgroup:
- Nuts
- Product Type:
- Hexagonal Nut
- Type2:
- Hexagonal Nut
- Series:
- JG5N
- Product Finish:
- Zinc
- Product Details:
- Hexagonal Nut
- Product Material:
- Hardened Steel
Metallics JG5N168 – Frequently Asked Questions
1) What thread size is the Metallics JG5N168 hex nut, and will it fit 3/4 inch all-thread rod?
It's a 3/4-10 nut, meaning 3/4 inch nominal diameter with 10 threads per inch, which is the standard UNC coarse pitch for 3/4 inch rod. It will run onto 3/4-10 threaded rod, bolts, and strut rod used for trapeze hangers and equipment anchoring. It will not fit 3/4-16 fine thread.
2) Is a Grade 5 zinc hex nut strong enough for overhead pipe and duct hangers?
Grade 5 hardened steel at Rockwell C32 is the common structural-grade nut for mechanical and electrical hanging work, and the material runs AISI 1008-1026 steel. It's a step up from plain Grade 2 commercial nuts and is matched to Grade 5 bolts and rod. Confirm the load against the rod and anchor rating, which governs the assembly, not the nut.
3) Can I use the Metallics JG5N168 hex nut on a Buy American or ARRA funded job?
No. These nuts are not Buy American compliant and are not ARRA compliant, with country of origin listed as multiple. For federally funded work carrying domestic sourcing requirements you'll need a domestically produced nut instead.
4) What wrench size do I need for a 3/4-10 Grade 5 hex nut like the Metallics JG5N168?
Across the flats the nut measures 1.088 to 1.125 inches, so a 1-1/8 inch wrench or socket is the one to grab. Corner to corner it runs 1.240 to 1.299 inches, which matters if you are working in a tight strut channel or boxed-in hanger.
5) How much thread engagement does a Metallics JG5N168 nut need, and how tall is it?
The nut height runs 0.617 to 0.665 inches, with a head height spec of 41/64 in. Leave at least that much rod projecting past the nut so the threads are fully engaged, plus a little more if you are double-nutting or adding a lock washer.
6) Is the zinc finish on these hex nuts OK for outdoor or damp locations?
The finish is zinc plating over hardened steel, which handles indoor mechanical rooms, ceiling spaces, and normally dry service well. Zinc plating is a sacrificial coating, not stainless, so for sustained outdoor exposure, wet wells, or corrosive process areas, a hot-dip galvanized or stainless nut is the better call.
7) How many nuts come in a jar of Metallics JG5N168, and can I buy just a few?
They ship 25 to a jar, and 25 each is the order minimum, so the jar is the smallest unit. The full jar weighs 2.92 lbs. Other sizes and quantities are available by request.
8) Do these Metallics hex nuts meet a dimensional standard I can put on a submittal?
They are made to ANSI/ASME B182.2 for dimensions, with Grade 5 strength and AISI 1008-1026 steel called out for material. That's the detail most mechanical and electrical submittals ask for on a hex nut.
9) Are these electrical-department hex nuts the same thing as a plumbing or HVAC hex nut?
Same nut. The JG5N series is catalogued for electrical work but the stated field application covers electrical, plumbing, heating and air conditioning. A 3/4-10 Grade 5 zinc hex nut is used identically across all of those trades on rod, strut, and anchor bolts.
How fast can I get the Metallics JG5N168 delivered?
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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 JG5N168 come with a warranty?
Absolutely. The Metallics JG5N168 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 JG5N168?
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