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Minerallac 1/4" x 1" Zinc Plated Steel Fender Washers - Wide Bearing Surface Hardware
Model: MIN-40720J
Minerallac 1/4" x 1" Zinc Plated Steel Fender WashersProfessional Wide Bearing Surface Hardware for Multiple ApplicationsMinerallac 1/4" x 1" Zinc Plated Steel Fender Washers deliver reliable...
Minerallac
$50.14
$0.08
Minerallac 1/4" x 1-1/2" Zinc Plated Steel Fender Washers
Professional Wide Bearing Surface Hardware for Multiple Applications
Minerallac delivers professional-grade 1/4" x 1-1/2" fender washers engineered with zinc plated steel construction for reliable performance where extra wide bearing surfaces are required. These versatile washers provide enhanced load distribution and surface protection across sheet metal, plumbing, electrical, and automotive repair applications.
Professional Features & Benefits
- 1/4" Inside Diameter: Provides precise fit for standard fasteners while ensuring proper alignment and secure installation
- 1-1/2" Outside Diameter: Delivers extra wide bearing surface for enhanced load distribution and surface protection
- Zinc Plated Finish: Offers corrosion resistance and extended service life in various environmental conditions
- Steel Construction: Ensures durability and strength for demanding applications requiring reliable fastening solutions
- 0.047" � 0.080" Thickness Range: Provides optimal material thickness for structural integrity while maintaining flexibility for various installation requirements
- Multi-Application Design: Originally designed for auto body repair work, proven effective in sheet metal, plumbing, and electrical installations
Technical Specifications
- Country Of Origin: China
- Inside Diameter: 4-Jan
- Outside Diameter: 1/1/02
- Product Finish: Zinc Plated
- Product Material: Steel
- Product Type: Fender Washer
- Thickness: 0.047" � 0.080
Professional Applications
- Automotive Body Repair and Restoration
- Sheet Metal Fabrication and Assembly
- Plumbing System Installations
- Electrical Panel and Equipment Mounting
- General Construction and Maintenance
- Industrial Equipment Assembly
- HVAC System Component Mounting
Why Choose Minerallac Quality?
Minerallac fender washers combine proven steel construction with zinc plated corrosion protection, delivering reliable performance across multiple professional applications. The precision-engineered dimensions and consistent thickness range ensure dependable fastening solutions for demanding installation requirements.
Manufacturer Resources
Product Specs
- Country Of Origin:
- China
- Inside Diameter:
- 4-Jan
- Outside Diameter:
- 1/1/02
- Product Finish:
- Zinc Plated
- Product Material:
- Steel
- Product Type:
- Washer
- Thickness:
- 0.047" – 0.080
- Department:
- Electrical
- Product Subgroup:
- Electrical Fasteners
- Product Group:
- Hangers, Supports & Fasteners
Minerallac 40730J – Frequently Asked Questions
1) Why use a fender washer instead of a standard flat washer on sheet metal or drywall?
A standard 1/4 inch flat washer has an outside diameter close to the bolt head, so the clamp load concentrates in a small ring and pulls through thin material. The Minerallac fender washer runs 1-1/2 inches across the same 1/4 inch hole, roughly six times the bolt diameter, so it bridges oversized or torn holes and spreads load across sheet metal, panel, or soft substrate instead of crushing it.
2) Will zinc plated steel fender washers hold up outdoors or in a damp mechanical room?
Zinc plated steel is the finish here, which gives corrosion resistance for interior, covered, and intermittently damp locations such as mechanical rooms, panel rooms, and garages. It is a sacrificial coating, not stainless. For continuous outdoor exposure, wet process areas, or coastal salt air, specify a stainless or hot dip galvanized washer instead.
3) How thick are these 1-1/2 inch fender washers?
Thickness runs 0.047 to 0.080 inch. That is thin enough to seat flat against a panel or box flange without shimming the assembly, and it matters when you are stacking washers under a strut nut or inside a tight enclosure where total stack height affects thread engagement. It also means these are load-spreading washers, not structural plate washers for timber connections.
4) Are these fender washers suitable for mounting electrical panels and boxes?
Yes. Electrical panel and equipment mounting is one of the stated uses, and the wide 1-1/2 inch bearing face is what you want when a box flange or enclosure knockout is oversized relative to a 1/4 inch bolt. They also carry through to strut mounting, HVAC component hanging, and general sheet metal work.
5) Can I use a fender washer to cover an oversized or stripped hole in sheet metal?
That is the original purpose. These were designed for auto body repair, where a 1/4 inch fastener has to clamp through a hole that has rusted or torn open, and the same logic applies to a wallowed-out mounting hole in a duct, panel, or equipment base. The 1-1/2 inch face covers the damage and the 1/4 inch hole keeps the fastener centered. If the hole is wider than about an inch, the washer no longer has enough bearing left around it and you need a patch plate.
6) How many fender washers come in a Minerallac 40730J pack?
The 40730J is supplied as a 100 piece jar of 1/4 inch by 1-1/2 inch zinc plated steel fender washers. One jar covers a panel install or a full day of sheet metal work without re-ordering, which is why it is a common shelf item on a service van.
How fast can I get the Minerallac 40730J 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 Minerallac 40730J come with a warranty?
Absolutely. The Minerallac 40730J 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 Minerallac 40730J?
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 Minerallac 40730J 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.