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Nuts 12-24 Hx Keps Locknut St-zn (Jar 100)
Additional Notes
- Other sizes and quantities available by request
Features
- This is the most popular type of locknut because of its versatility, cost and ease of installation. Doesn't gall screw thread.
- Made to American Standard Dimensions
Manufacturer Resources
Product Specs
- Arra Compliant:
- U
- Buy American Compliant:
- U
- Division:
- Electrical H1
- Fastener Head Width:
- 0.423 - 0.438 in.
- Fastener Height:
- 0.148 - 0.161
- Fastener Width:
- 0.482 - 0.505
- Field Application:
- Width is Wrench Size
- Hardness:
- Rockwell C38-44
- Language Code:
- EN
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Lock_Nut_Steel_Zinc_and_18-8.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- CT
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 0.66 lbs
- Product Width:
- 3 in
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 24
- Washer Od:
- 0.494 - 0.506 in.
- Department:
- Electrical
- Product Subgroup:
- Nuts
- Product Type:
- Hexagonal Lock Nut
- Type2:
- Hexagonal Lock Nut
- Series:
- JTLN
- Product Details:
- Hexagonal Lock Nut
- Product Material:
- Steel
Metallics JTLN8 – Frequently Asked Questions
1) How much clearance do I need behind the panel for a keps locknut?
Allow for a nut height of 0.148 to 0.161 inch plus the screw stickout. The hex itself is 0.482 to 0.505 inch across the flats with a head width of 0.423 to 0.438 inch, so it is a low-profile nut that works in tight enclosure corners where a nylon insert locknut would be too tall.
2) Will a keps locknut chew up the threads on my screws like a toothed lock nut does?
No. The locking action on a keps nut comes from a free-spinning attached washer that bites the work surface, not the screw thread, so it does not gall the screw thread. That is why it is the usual choice when screws get backed out and reused, such as on enclosure covers and device mounting.
3) Is the Metallics JTLN8 locknut steel or stainless?
Steel with a zinc plating. Hardness is Rockwell C38-44. Zinc plated steel is fine for dry indoor enclosure and panel work; for wet locations, exterior runs or corrosive environments, specify an 18-8 stainless keps nut in the same 12-24 size instead.
4) Does the 12-24 keps locknut need a separate washer?
No separate washer. The toothed washer is already assembled to the nut and spins free until you tighten, giving a 0.494 to 0.506 inch washer outside diameter bearing on the panel. One part, one hand, which is why it installs faster than a nut-plus-washer stack.
5) Will these keps nuts match standard 12-24 hardware already in my panels?
Yes. The JTLN8 is made to American Standard Dimensions, so it interchanges with other 12-24 hex nut hardware already in the enclosures and strut you are servicing. For a property or facilities crew standardizing on one fastener, 12-24 is the thread used across most electrical boxes and racks.
6) How are Metallics JTLN8 keps nuts packaged and what is the smallest quantity?
They ship in a jar of 100, and 100 count is the order minimum. Sized for a van stock or a shop bin rather than a single repair. Metallics notes other sizes and quantities are available by request.
7) What does a jar of 100 of these locknuts weigh for shipping or a stocking order?
0.66 lbs for the jar of 100, with the container measuring 3 x 3 x 2.15 inches. Light enough to keep several thread sizes on the truck without eating payload.
How fast can I get the Metallics JTLN8 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 JTLN8 come with a warranty?
Absolutely. The Metallics JTLN8 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 JTLN8?
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 JTLN8 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.