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Nuts 5/8-11 Hx Nut SS (Jar 100)
Features
- Six-sided internally threaded fastener whose thickness is 0.875 D is the nominal nut size and 1.5 D is their width across the flats, made from austenitic alloys.
- Designed for use with stainless steel bolts and screws with a specified minimum tensile strength equal to or less than the specified proof stress of the mating nut. Both type of stainless are corrosion resistant with 316 stainless having greater such resistance as well as superior strength at raised temperatures.
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Division:
- Electrical H1
- Fastener Head Height:
- 8-Mar in.
- Fastener Head Width:
- 0.922 - 0.938 in.
- Fastener Height:
- 0.535 - 0.559
- Fastener Width:
- 1.051 - 1.083
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Hardness:
- Rockwell B95-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:
- 5.75 in
- Product Length:
- 3.5 in
- Product Weight:
- 7.34 lbs
- Product Width:
- 3.5 in
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 11
- Thread Standard:
- ANSI/ASME B18.2.2
- Department:
- Electrical
- Product Subgroup:
- Nuts
- Product Type:
- Hexagonal Nut
- Type2:
- Hexagonal Nut
- Series:
- JSN
- Product Details:
- Hexagonal Nut
- Product Material:
- 18-8 Stainless Steel
Metallics JSN19 – Frequently Asked Questions
1) Will the Metallics JSN19 hex nut thread onto a 5/8 inch coarse-thread rod or bolt?
Yes. The JSN19 is a 5/8-11 hex nut, meaning 5/8 inch nominal diameter at 11 threads per inch, which is the standard UNC coarse pitch for that diameter. It threads onto 5/8-11 all-thread rod, anchor bolts and cap screws. If your rod is 5/8-18 fine thread, this nut will not engage it.
2) Are these stainless nuts suitable for outdoor or damp-location electrical work?
The JSN19 is 18-8 austenitic stainless, which is corrosion resistant and used across electrical, plumbing, and HVAC work, including strut and hanger assemblies in damp areas. For marine air, chlorides, or elevated temperatures, 316 stainless is the stronger choice; 18-8 covers general exterior and wet-location use.
3) Can I use Metallics JSN19 stainless nuts on a Buy American or ARRA-funded project?
No. The JSN19 is not Buy American compliant and is not ARRA compliant, with country of origin listed as multiple. For a federally funded job carrying domestic-sourcing language, you need a domestic-origin hex nut instead.
4) What wrench or socket size do I need for a 5/8-11 stainless hex nut like the Metallics JSN19?
Width across the flats runs 1.051 to 1.083 inches, so a 1-1/16 inch wrench or socket is the fit. Nut height is 0.535 to 0.559 inches, which matters if you are working in a tight pocket or stacking a jam nut behind it.
5) Should I match stainless nuts to stainless bolts, or can I mix with galvanized?
Match the metals. These 18-8 nuts are intended for stainless steel bolts and screws whose minimum tensile strength is equal to or below the proof stress of the nut. Running a stainless nut on a galvanized or plain-steel bolt sets up galvanic corrosion at the joint and can gall the threads, so keep the fastener assembly in the same family.
6) How many nuts come in a jar of Metallics JSN19, and can I buy a smaller count?
The JSN19 ships as a jar of 100 nuts, and one jar is the minimum order. Other sizes and quantities are available by request, but the standard pack is the 100-count jar.
7) Does the Metallics JSN19 hex nut meet a recognized dimensional standard for inspection?
Dimensions follow ANSI/ASME B18.2.2, the hex nut standard, so the nut interchanges with any other B18.2.2 5/8-11 hex nut on the job. Hardness is Rockwell B95 to C32.
8) How much does a 100-count jar of 5/8-11 stainless hex nuts weigh for shipping or a job-box load-out?
The JSN19 jar of 100 weighs 7.34 lbs and the container measures 3.5 by 3.5 by 5.75 inches, so it stacks easily on a shelf or in a van bin.
How fast can I get the Metallics JSN19 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 JSN19 come with a warranty?
Absolutely. The Metallics JSN19 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 JSN19?
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 JSN19 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.