You may also like
Washer 1/4 Flat SAE Wshr Extra Hvy Dt (Jar 100)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Washers
Metallics JSWHH73 – Frequently Asked Questions
1) What bolt size does the Metallics JSWHH73 flat washer fit?
It's a 1/4 inch flat washer, so it pairs with 1/4-20 and 1/4-28 bolts and machine screws. The pattern is SAE rather than USS, meaning a smaller outside diameter and a tighter fit around the fastener shank than the wider USS pattern of the same nominal size.
2) Will a 1/4 inch SAE washer cover an oversized or slotted hole, or do I need USS?
If you need to bridge a slot or an oversized hole, the SAE pattern may be too small. The JSWHH73 is SAE, which has the narrower outside diameter of the two common flat washer patterns; a 1/4 inch USS washer gives you more bearing surface for sloppy holes. For a drilled hole close to the bolt diameter, SAE is the correct call.
3) What is the difference between an extra heavy duty washer and a standard flat washer?
The JSWHH73 is an extra heavy duty 1/4 inch SAE washer, meaning it is made thicker than a standard flat washer of the same bore. The extra thickness spreads bolt load over a larger bearing area and resists dishing or cupping when the fastener is pulled down hard, which is why electricians and contractors reach for it on strut, channel, hanger rod, and panel work rather than a thin commercial washer.
4) How does the Metallics JSWHH73 washer come packaged?
It ships in a jar of 100 pieces. The jar pack suits a service van or a shop bench where you are pulling a handful at a time, as opposed to bulk-box quantities for a single large install.
5) What part number do I order for the Metallics 1/4 inch extra heavy duty SAE flat washer?
Order Metallics JSWHH73. That is the single manufacturer part number for the 1/4 inch extra heavy duty SAE flat washer in the 100 piece jar, so there is no size or finish option to specify with it.
6) Can I use this washer under a nut on 1/4 inch strut channel hardware and electrical hangers?
Yes. A 1/4 inch extra heavy duty SAE flat washer is the usual choice under nuts and bolt heads on 1/4 inch electrical mounting hardware, where the thicker section keeps the washer from deforming into a slot or oversized hole as the nut is tightened. Metallics catalogs it with its electrical fastener line.
How fast can I get the Metallics JSWHH73 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 JSWHH73 come with a warranty?
Absolutely. The Metallics JSWHH73 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 JSWHH73?
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 JSWHH73 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.