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325 PCS Crush Copper Washers Assortment Kit; 10 Size Flat Sealing Copper Washers (M5-M14) for Electronic, Automotive, Motorcycles, Marine and Mechanical Use

325 PCS Crush Copper Washers Assortment Kit; 10 Size Flat Sealing Copper Washers (M5-M14) for Electronic, Automotive, Motorcycles, Marine and Mechanical Use

Product ID: 609252642

Details

Exterior Finish
Copper
Fastener Size
M5 M6 M8 M10
Material
Copper
Outside Diameter
9-20
Washer Type
Flat

📦organized portable storage

🔥premium heat-resistant copper

🔧325 versatile washers

¥4209

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Description

🔩 Seal the deal with copper confidence — never settle for less!

READY WHEN YOU ARE - Compact, transparent storage box with clear size chart keeps your workspace clutter-free and your workflow seamless.
ALL IN ONE COPPER KIT - 325 precision washers spanning 10 essential sizes (M5-M14) for every fastening challenge.
LEAK PROOF SECURE FIT - Optimized flat sealing design evenly distributes pressure to prevent leaks, loosening, and friction damage.
ENGINEERED FOR ENDURANCE - Crafted from high-grade red copper ensuring superior heat resistance, corrosion defense, and electrical conductivity.
VERSATILITY MEETS PROFESSIONALISM - Trusted across automotive, marine, electronics, and industrial sectors—your go-to for reliable repairs and upgrades.

This 325-piece copper washer assortment offers 10 metric sizes (M5-M14) made from premium red copper, delivering exceptional heat resistance, corrosion protection, and electrical conductivity. Packaged in a durable, transparent organizer, it’s designed for professionals and DIYers alike, ensuring secure, leak-proof seals across automotive, marine, electronic, and industrial applications.

Specifications

ASIN	B0CR8XPH5P
Best Sellers Rank	#1,921 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Flat Washers
Brand	AKOSN
Color	Copper
Compatible Groove Diameter	0.2 inches
Customer Reviews	4.6 4.6 out of 5 stars (893)
Exterior Finish	Copper
Fastener Size	M5, M6, M8, M10, M12, M14
Fastener Type	Flat Washer
Finish Types	Copper
Item Diameter	10 millimeters
Item Dimensions	5.35 x 3.81 x 0.7 inches
Item Thickness	1-1.5 millimeters
Manufacturer	AKOSN
Material Type	Copper
Metal Type	Copper
Number Of Items	1
Number of Pieces	325
Outside Diameter	9-20 millimeters
Part Number	Flat_Washer_001
Screw Head Style	Flat
Set Name	Premium Copper Metric Sealing Crush Washers Assortment Kit
Size Name	Copper_Washers_325Pcs
Thread Size	Metric
Unit Count	1 Count
Washer Compatibility	Metric Bolts, Metric Screws
Washer Type	Flat

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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¥4209

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

View all Trustpilot reviews