Search  for anything...

Stainless Steel Flat Washers Assortment, 18-8 (304) Stainless Steel, 547-Piece Set (Assorted Metric Sizes M3-M12, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm) with Plastic Storage Case

  • Based on 0 reviews
Condition: New
Checking for the best price...
$9.99 Why this price?
Save $30.00 was $39.99

Buy Now, Pay Later


As low as $2 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Jun 12
Order within 19 hours and 54 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm


Number of Items: 547


Features

  • 1Versatile Size Range for Various Projects This set includes a range of popular sizes (from M3 to M12 and 3mm to 12mm), making it ideal for a wide variety of applications, including machinery, plumbing, electrical, and construction projects. The comprehensive size range ensures compatibility with different bolts and screws.
  • 2 18-8 (304) Stainless Steel Reliable for Daily Use Manufactured from 18-8 (304) stainless steel, these flat washers provide corrosion resistance and durability for both indoor and outdoor environments, including garages, workshops, and general maintenance settings.
  • 3 Covers the Most Frequently Used Metric Washer Sizes Includes commonly used sizes such as Metric 6, Metric 8, Metric 10, and Metric 12, compatible with standard metric bolts, screws, nuts, and spacers. A practical washer set for automotive repair, furniture assembly, home improvement, and equipment maintenance.
  • 4 Labeled Storage Case for Efficient Organization Each washer size is stored in a clearly labeled compartment inside a durable plastic storage case, allowing quick identification, reduced sorting time, and improved efficiency during installation and repair tasks.
  • 5 Practical Washer Assortment for DIY and Professional Use Designed for routine fastening, maintenance, and replacement tasks in home workshops, automotive repair, and facility and equipment maintenance environments. Intended for general-purpose use with metric hardware; not designed for structural or load-bearing applications.

Material: Stainless Steel


Outside Diameter: 0.63 Inches


Washer Type: Flat


Exterior Finish: Stainless Steel


Fastener Size: M3, M4, M5, M6, M8, M10, M12


Outside Diameter: 0.63 Inches


Fastener Size: M3, M4, M5, M6, M8, M10, M12


Item Thickness: 0.05 Inches


Size Name: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm


Item Weight: 9.44 ounces


Number of Pieces: 547


Compatible Groove Diameter: 0.28 Inches


Material Type: Stainless Steel


Exterior Finish: Stainless Steel


Metal Type: Stainless Steel


Finish Types: Metallic


Washer Type: Flat


Washer Application: general-purpose


Screw Head Style: Flat


Fastener Type: flat


Brand: Kviceo


Manufacturer: Kviceo


Number Of Items: 547


Set Name: Kviceo Stainless Steel Flat Washers Assortment


Part Number: Flat Washers Assorted Sizes


Unit Count: 8752.0 Ounce


Color: Silver


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jun 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • great value
Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Number of Items: 547
perfect sizes and variety, good quality and value comes in a box for portability
Reviewed in the United States on May 7, 2026 by sebastian

  • Refused to wash clothes or dishes!
Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Number of Items: 547
This set has saved me several trips to the hardware store when I need a washer, which was the intent. The most common sizes I run into are covered and with a ridiculous quantity of each. I'm very happy with the value and have no quality issues at all.
Reviewed in the United States on May 19, 2026 by genXtravel

  • Great set of Stainless washers for shop projects at the right price.
Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Number of Items: 547
Excellent set of stainless steel flat washer assortment of several sizes. Good quality and price for lots of uses.
Reviewed in the United States on April 20, 2026 by C Tosh

  • Great set for a quick need
Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Number of Items: 547
Perfect set to keep around. Nothing worse when doing a project and not having a washers that would work and this small kit as a good variety for your needs
Reviewed in the United States on May 14, 2026 by Sean C MacDonald

  • Great quality . Must have in any tool box .
Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Number of Items: 547
Great quality good set in any tool box . Great size assortment . Who wants to run out to the hardware store for one washer . It would be a nightmare.
Reviewed in the United States on May 14, 2026 by Mark Miller

  • Great value!
Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Number of Items: 547
Great value.
Reviewed in the United States on May 7, 2026 by Jeffbagel

  • Good selection.
Size: Metric 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Number of Items: 547
Nice assortment for any project.
Reviewed in the United States on May 19, 2026 by Jeff McMurray

  • Quality washers
Size: 1/4" ID x 5/8" OD Number of Items: 100
Good quality.
Reviewed in the United States on April 16, 2026 by J.Oliver

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...