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Nuts 5/16-18 Hx Nut St-zn (Jar 100)
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Fastener Head Width:
- 0.489 - 0.500 in.
- Fastener Height:
- 0.258 - 0.273
- Fastener Width:
- 0.258 - 0.273
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Grade:
- 2
- Hardness:
- Rockwell B68-C32
- Language Code:
- EN
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Nut_Domestic_Gr_2_Gr_5_Gr_8_Gal_18-8_SS_316_SS.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- JR
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 1.09 lbs
- Product Width:
- 3 in
- Remarks:
- The catalog UPC differ from the tarnsaction daat spreadsheet UPC
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 18
- Thread Standard:
- ASME B18.2.2
- Department:
- Electrical
- Product Subgroup:
- Nuts
- Product Type:
- Hexagonal Nut
- Type2:
- Hexagonal Nut
- Series:
- JN
- Product Finish:
- Zinc
- Product Details:
- Hexagonal Nut
- Product Material:
- Steel
Metallics JN164 – Frequently Asked Questions
1) Will the Metallics JN164 hex nut thread onto 5/16-18 all-thread rod?
Yes. The JN164 is a 5/16-18 hex nut, 18 threads per inch, which is the standard coarse pitch for 5/16 inch rod and bolts. It is made to ASME B18.2.2, the dimensional standard for hex nuts, so it mates with any 5/16-18 rod, strut hardware, or bolt cut to the same thread.
2) What grade are these Metallics hex nuts, and is Grade 2 strong enough for hanging conduit and strut?
Grade 2, with a hardness of Rockwell B68 to C32. Grade 2 is the standard low-to-medium carbon steel nut used for general electrical, plumbing, and HVAC support work, which is the application the JN series is built for. If your drawing calls out a Grade 5 or Grade 8 nut to match a higher-grade bolt, match the bolt grade instead of using these.
3) Can I use these nuts on a Buy American or ARRA-funded job?
No. The JN164 hex nut is not Buy American compliant and is not ARRA compliant, and country of origin is listed as multiple. On a federally funded project with domestic sourcing requirements you will need a domestic-origin Grade 2 hex nut in 5/16-18 instead.
4) What wrench or socket size do I need for a 5/16-18 Metallics JN164 nut?
The across-flats width runs 0.489 to 0.500 inch, so a 1/2 inch wrench or socket fits it. Nut height is 0.258 to 0.273 inch, which matters if you are tightening in a tight channel or against a strut flange.
5) Are these zinc hex nuts okay for outdoor or damp electrical work?
The JN164 is steel with a zinc finish. Zinc plating handles indoor and protected-damp locations fine, but it is not a substitute for stainless or hot-dip galvanized in standing water, coastal air, or corrosive wash-down areas. For those, specify a 316 or 18-8 stainless nut in the same 5/16-18 thread.
6) How many 5/16-18 nuts come in a jar of Metallics JN164, and can I order a smaller quantity?
They ship 100 nuts in a jar, and the jar is the minimum order unit. Metallics does offer other sizes and quantities of this JN series nut on request if 100 of the 5/16-18 is not what you need.
7) How much does a 100-count jar of 5/16-18 zinc hex nuts weigh for shipping or a van stock list?
A full jar of the JN164 runs 1.09 lbs. The jar itself is about 3 x 3 x 2.15 inches, so it drops into a bin or a van drawer without repackaging.
How fast can I get the Metallics JN164 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 JN164 come with a warranty?
Absolutely. The Metallics JN164 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 JN164?
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 JN164 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.