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Minerallac Flat Cut Washer Kit - Multi-Size Steel Washers with Zinc Plated Finish
Professional Multi-Size Washer Assortment for Versatile Fastening Applications
The Minerallac Flat Cut Washer Kit provides a comprehensive selection of steel washers with zinc plated finish, designed for professional assembly applications around bolts or screws. This multi-size kit includes #8 (100 pieces), #10 (100 pieces), 1/4" (100 pieces), 5/16" (35 pieces), and 3/8" (35 pieces) washers, offering reliable stress distribution and clearance hole spanning capabilities for diverse fastening requirements.
Professional Features & Benefits
- Multi-Size Kit Configuration: Includes five different washer sizes (#8, #10, 1/4", 5/16", 3/8") providing versatile fastening solutions for various bolt and screw applications.
- Steel Construction: Durable steel material ensures reliable strength and longevity for demanding assembly applications.
- Zinc Plated Finish: Corrosion-resistant zinc plating provides enhanced durability and professional silver appearance for long-term performance.
- 0.065" Thickness: Consistent thickness specification ensures proper stress distribution and reliable bearing surface performance.
- Stress Distribution Design: Flat washer configuration improves load distribution between fastener and attached components for secure assembly.
- Large Clearance Hole Compatibility: Designed to span large clearance holes while maintaining proper bearing surface contact.
Technical Specifications
- Country Of Origin: China
- Fits Bolt Sizes: #8, #10, 1/4", 5/16", 3/8
- Product Color: Silver
- Product Finish: Zinc Plated
- Product Material: Steel
- Product Type: Flat Cut Washer
- Thickness: 0.065
Professional Applications
- Electrical Panel Assembly and Mounting
- HVAC Equipment Installation
- Industrial Machinery Assembly
- Commercial Building Construction
- Maintenance and Repair Operations
- Professional Contractor Applications
- Multi-Trade Fastening Requirements
Why Choose Minerallac Quality?
Minerallac delivers reliable fastening solutions with professional-grade steel construction and zinc plated finish for enhanced durability. This comprehensive washer kit provides the versatility and quality needed for demanding assembly applications, ensuring proper stress distribution and long-term performance in professional installations.
Manufacturer Resources
Product Specs
- Fits Bolt Sizes:
- #8, #10, 1/4", 5/16", 3/8
- Product Color:
- Silver
- Product Finish:
- Zinc Plated
- Product Material:
- Steel
- Product Type:
- Washer
- Thickness:
- 0.065
- Department:
- Electrical
- Product Subgroup:
- Electrical Fasteners
- Product Group:
- Hangers, Supports & Fasteners
Minerallac 39518 – Frequently Asked Questions
1) What sizes and quantities come in the Minerallac 39518 flat washer kit?
The Minerallac 39518 kit covers five fastener sizes: #8 and #10 at 100 pieces each, 1/4 inch at 100 pieces, and 5/16 inch and 3/8 inch at 35 pieces each. That's 370 washers total, so the smaller machine-screw sizes are stocked deepest and the larger bolt sizes come in lighter counts.
2) Will these washers hold up in a damp mechanical room or outdoor panel?
These are steel washers with a zinc plated finish, which handles indoor and normally sheltered conditions like electrical rooms, panel interiors and HVAC equipment mounting. Zinc plating is a sacrificial coating, not stainless, so for direct weather exposure, washdown areas or coastal installs you want stainless or hot dip galvanized hardware instead.
3) Do I need flat washers or lock washers for mounting electrical equipment?
Two different jobs. The Minerallac 39518 kit is flat cut washers, which spread load across the material and span oversized or slotted clearance holes so the screw head doesn't pull through. They do not resist loosening from vibration. On machinery or equipment that vibrates, run a flat washer against the surface and add a split lock or serrated washer under the nut.
4) Will the #10 washers in this kit fit standard 10-32 panel and strut screws?
Yes. The kit is sized to bolt and screw sizes #8, #10, 1/4 inch, 5/16 inch and 3/8 inch, so the #10 washers seat on 10-32 and 10-24 machine screws, which is what most enclosure covers, device mounting and panel hardware use. The 1/4 and 3/8 sizes cover the usual strut and threaded rod hardware on the same job.
5) Is this an assortment kit or a single size of washer?
It's an assortment. Rather than buying five separate boxes, the Minerallac 39518 ships as one multi-size kit spanning #8 through 3/8 inch, all steel, all zinc plated, all 0.065 inch thick. That makes it a service-truck or MRO shelf item rather than a bulk quantity for one repeated fastener size.
6) What finish color are the Minerallac 39518 washers?
Silver, from the zinc plating over steel. They match standard zinc plated screws, nuts and strut hardware, so nothing stands out visually on a panel interior or equipment mount.
How fast can I get the Minerallac 39518 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 39518 come with a warranty?
Absolutely. The Minerallac 39518 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 39518?
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 39518 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.