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Washers 8 Int Tooth Lock St-zn (Jar 100)
Manufacturer Resources
Product Specs
- Ansi:
- ANSI
- Country Of Origin:
- MUL
- Division:
- Electrical H1
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Pack Type:
- Jar
- Product Family:
- Electrical Supplies
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Washer Type:
- Internal Tooth Lock Washer
- Department:
- Electrical
- Product Subgroup:
- Washers
- Product Length:
- 3 in
- Product Height:
- 2.15 in
- Product Material:
- Steel Zinc
- Product Weight:
- 0.1 lbs
- Product Width:
- 3 in
Metallics JLWI4 – Frequently Asked Questions
1) Should I use an internal tooth lock washer or an external tooth type for panel and device screws?
Internal tooth washers like the JLWI4 keep the teeth inside the outside diameter, so they bite under the screw head without leaving teeth marks around the edge. That makes them the pick where appearance matters or where the screw head is close to the washer OD, such as device plates and panel screws. External tooth versions spread the bite over a larger circle and hold better under a large head or on soft, oversized holes.
2) Are these zinc plated steel washers okay for damp or outdoor locations?
The JLWI4 washers are zinc plated steel, which suits dry indoor electrical, plumbing, heating and air conditioning work and gives light corrosion resistance. For continuous wet, coastal, or corrosive environments, use a stainless washer instead of zinc plated steel.
3) Will an internal tooth lock washer keep a ground screw from backing out from vibration?
That is what the toothed design is for. The teeth dig into the screw head and the mating surface so the fastener resists loosening under vibration, which is why #8 internal tooth washers get used on grounding and device screws in panels and equipment. The JLWI4 is zinc plated steel, so it works on steel boxes, enclosures and struts.
4) How many Metallics JLWI4 lock washers come in a jar?
They ship 100 to a jar, packed as a jar rather than a bag or box, which keeps them sorted on a service van or MRO shelf. The jar weighs 0.1 lbs and measures 3 x 2.15 x 3 inches.
How fast can I get the Metallics JLWI4 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 JLWI4 come with a warranty?
Absolutely. The Metallics JLWI4 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 JLWI4?
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 JLWI4 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.