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Washers M12 Split Lock Hi-Col St-zn (Jar 100)
Manufacturer Resources
Product Specs
- Ansi:
- ANSI
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Washer Type:
- Lock Washer
- Department:
- Electrical
- Product Subgroup:
- Washers
- Product Length:
- 3 in
- Product Height:
- 2.15 in
- Product Material:
- Steel Zinc
- Product Weight:
- 0.51 lbs
- Product Width:
- 3 in
Metallics JMLWHC012 – Frequently Asked Questions
1) What size bolt does the Metallics JMLWHC012 split lock washer fit?
It is an M12 split lock washer, so it goes on M12 metric threaded bolts and screws. Metric only, not a substitute for a 1/2 inch SAE washer even though the two are close in size.
2) What is the high-collar version of this M12 lock washer for?
High-collar (Hi-Col) means a thicker, narrower-OD split washer. The smaller outside diameter lets it sit inside a counterbored hole or under a socket head cap screw where a regular-series lock washer would overhang, and the extra section height gives more spring tension. If you are bolting into recessed or close-tolerance prep, this is the one you want.
3) Is the Metallics M12 lock washer plated for corrosion resistance?
Yes, it is steel with a zinc plating. Zinc plating suits dry indoor and protected electrical work such as strut, panel, and enclosure mounting. For sustained wet or exterior exposure, a stainless fastener is the better call.
4) How many M12 split lock washers come in the Metallics JMLWHC012 jar?
100 washers per jar. The pack is a jar rather than a box or bag, which is what keeps loose washers from spilling in a gang box or on a cart. The full jar weighs 0.51 lbs.
5) Should I use a split lock washer or a flat washer under an M12 nut?
They do different jobs. A split lock washer like the JMLWHC012 bites into the nut and the mating surface to resist loosening from vibration, which is why it is specified on equipment, motor, and strut hardware. A flat washer spreads load and protects the surface but does nothing against vibration. On soft or finished surfaces, many installers stack both: flat washer against the material, split lock against the nut.
How fast can I get the Metallics JMLWHC012 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 JMLWHC012 come with a warranty?
Absolutely. The Metallics JMLWHC012 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 JMLWHC012?
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 JMLWHC012 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.