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Washers 1/2 Split Lock St-zn (Jar 1000)
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:
- 7.25 in
- Product Height:
- 6 in
- Product Material:
- Steel
- Product Weight:
- 12.9 lbs
- Product Width:
- 6.25 in
Metallics JLW175M – Frequently Asked Questions
1) What size bolt does the Metallics JLW175M split lock washer fit?
The JLW175M is a 1/2 inch split lock washer, so it goes over 1/2 inch diameter bolts, screws, and threaded rod. Use it under the nut, not under the bolt head on a slotted or shouldered part where the split cannot bite.
2) How many 1/2 inch split lock washers come in a jar of the Metallics JLW175M?
One jar holds 1,000 pieces. The jar pack is the bulk count MRO and electrical crews buy for truck stock, and it weighs 12.9 lbs filled.
3) Are these 1/2 inch lock washers plated for corrosion resistance, and can I use them outdoors?
They are steel with a zinc plating (listed as St-zn). Zinc plating handles dry indoor and protected locations well. For sustained wet exposure, direct weather, or coastal work, step up to a hot dip galvanized or stainless split lock washer instead.
4) Will a split lock washer hold a bolted connection better than a flat washer on strut and enclosure work?
They do different jobs. A split lock washer, which is what the JLW175M is, springs against the nut and the joint face to resist loosening from vibration. A flat washer spreads load and protects the surface, and it does nothing for vibration. On vibrating gear like motors, transformers, and strut-mounted equipment, many installers use a flat washer against the material plus the split lock under the nut.
5) Can I use these 1/2 inch split lock washers with 1/2 inch threaded rod on hanger and conduit support?
Yes. Any 1/2 inch threaded rod, bolt, or anchor stud takes this washer, since it is sized by bolt diameter at 1/2 inch. It is a steel part intended for electrical support and fastening work, so rod hangers, strut fittings, and anchor bolts are normal uses.
6) What are the dimensions of the jar the Metallics 1/2 inch lock washers ship in?
The jar measures 6 in height, 7.25 in length, and 6.25 in width, at 12.9 lbs. That matters if you are sizing shelf or gang box storage for a parts crib.
How fast can I get the Metallics JLW175M 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 JLW175M come with a warranty?
Absolutely. The Metallics JLW175M 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 JLW175M?
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product
selection,
installation tips, and troubleshooting. Contact Us
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