--- product_id: 686244249 title: "330 Pcs Copper Washers Assortment Kit – 12 Sizes" brand: "magicave" price: "€ 21.83" currency: EUR in_stock: true reviews_count: 8 category: "Magicave" url: https://www.desertcart.ie/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes store_origin: IE region: Ireland --- # Optimized heat & friction control 330 pcs versatile sizes Premium corrosion resistance 330 Pcs Copper Washers Assortment Kit – 12 Sizes **Brand:** magicave **Price:** € 21.83 **Availability:** ✅ In Stock ## Summary > 🔩 Seal the deal with copper precision – never settle for leaks again! ## Quick Answers - **What is this?** 330 Pcs Copper Washers Assortment Kit – 12 Sizes by magicave - **How much does it cost?** € 21.83 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes) ## Best For - magicave enthusiasts ## Why This Product - Trusted magicave brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Heavy-duty copper construction resists rust, wear, and corrosion for long-term reliability. - • **Multi-Industry Ready:** Ideal for automotive, plumbing, hydraulic, and mechanical applications—your go-to sealing solution. - • **All-in-One Copper Kit:** 330 precision washers across 12 essential sizes (M5-M20) for every project. - • **Leak-Proof Performance:** Engineered for perfect load distribution to ensure tight, durable seals every time. - • **Organized & Accessible:** Clear, compartmentalized case keeps your workspace tidy and your washers instantly accessible. ## Overview This 330-piece copper washer assortment offers 12 sizes (M5-M20) of flat sealing crush washers designed for automotive, plumbing, and mechanical use. Crafted from high-quality copper, these washers provide superior corrosion resistance, heat dissipation, and load distribution to ensure leak-proof seals. Packaged in a durable, organized case, this kit is perfect for professionals and DIYers seeking reliable, versatile sealing solutions. ## Description 330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use: desertcart.com: Industrial & Scientific Review: Excellent - Great Quality and Excellent Value! I’m really impressed with this 1100-piece flat washer assortment kit. The 304 stainless steel feels strong and durable — no rusting or bending like cheaper sets I’ve tried before. The variety of sizes (M2–M12) makes it perfect for all kinds of projects around the house, garage, and even light automotive work. The case is well organized, and each compartment is clearly labeled, which makes finding the right washer super easy. Overall, this set offers fantastic quality and value for the price. Definitely a must-have for anyone who works with screws and bolts regularly. Highly recommend! Review: WASHER ASSORTMENT - NICE PRODUCT ## Features - Comprehensive Set: This kit includes 330 premium copper washers in 12 sizes (M5, M6, M8, M10, M12, M14, M16, M20). With a wide variety of sizes and plenty of each, you’ll always have the right crush washer or sealing solution, whether you’re tackling DIY repairs or professional maintenance tasks. - Durable Construction: Crafted from high-quality copper, these washers deliver excellent wear, corrosion, and rust resistance. Designed to handle tough conditions, they are the perfect choice for replacing an oil drain plug crush washer or ensuring reliable seals in demanding applications. - Enhanced Performance: Engineered for precise load distribution, our copper washers minimize heat and friction during tightening, ensuring a leak-proof seal. Thanks to their superior conductivity and corrosion resistance, they outperform steel and rubber alternatives in durability and efficiency—making them ideal for crush washer replacements or critical oil drain plug crush washer needs. - Versatile Applications: From automotive repairs to industrial tasks, these copper washers excel in a range of uses, including sump plugs, fuel fittings, hydraulic systems, electronics, and more. They’re especially effective when used as oil drain plug crush washers, ensuring a secure seal to prevent messy leaks and extend component life. - Convenient Packaging: Neatly organized in a durable, clear plastic box, this copper washer kit keeps your workspace tidy and ensures quick access to the size you need. Whether you're assembling a crush washer assortment for routine maintenance or addressing an urgent oil drain plug crush washer repair, this kit is built for your convenience. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DJPB3821 | | Best Sellers Rank | #2,131 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Flat Washers | | Brand | Magicave | | Color | Copper Washers-330Pcs | | Customer Reviews | 4.7 out of 5 stars 782 Reviews | | Exterior Finish | Plain | | Fastener Size | M5, M6, M8, M10, M12, M14, M16, M20 | | Fastener Type | Washer | | Grade Rating | Heavy Duty | | Item Thickness | 1 Millimeters | | Item Weight | 0.5 Pounds | | Manufacturer | Magicave | | Material | Copper | | Material Type | Copper | | Metal Type | Copper | | Model | Copper Washers | | Number of Pieces | 330 | | Outside Diameter | M5, M6, M8, M10, M12, M14, M16, M20 Inches | | Part Number | M5 M6 M8 M10 M12 M14 M16 M20 | | Screw Head Style | Flat | | Size Name | M5, M6, M8, M10, M12, M14, M16, M20 | | Thread Size | M5, M6, M8, M10, M12, M14, M16, M20 | | Unit Count | 330.0 Count | | Washer Type | Flat | ## Product Details - **Exterior Finish:** Plain - **Fastener Size:** M5, M6, M8, M10, M12, M14, M16, M20 - **Material:** Copper - **Outside Diameter:** M5, M6, M8, M10, M12, M14, M16, M20 Inches - **Washer Type:** Flat ## Images ![330 Pcs Copper Washers Assortment Kit – 12 Sizes - Image 1](https://m.media-amazon.com/images/I/814IGfx8HNL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent *by J***N on October 30, 2025* Great Quality and Excellent Value! I’m really impressed with this 1100-piece flat washer assortment kit. The 304 stainless steel feels strong and durable — no rusting or bending like cheaper sets I’ve tried before. The variety of sizes (M2–M12) makes it perfect for all kinds of projects around the house, garage, and even light automotive work. The case is well organized, and each compartment is clearly labeled, which makes finding the right washer super easy. Overall, this set offers fantastic quality and value for the price. Definitely a must-have for anyone who works with screws and bolts regularly. Highly recommend! ### ⭐⭐⭐⭐⭐ WASHER ASSORTMENT *by P***H on March 6, 2026* NICE PRODUCT ### ⭐⭐⭐⭐⭐ Great assortment of washer *by D***A on December 5, 2025* This kit comes with everything I need and it still have more left. Great kit at a price you can beat. It is made of stainless steel. Fit over bolt. Work just like store brand. It come with a storage to keep everything organized. ## Frequently Bought Together - 330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use - XBVV 378 Pcs NBR Metal Bonded Sealing Washer Assortment Kit M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 Automotive Self-Centred Seal Gasket Repair Set - Seamaka 580PCS Oil Crush Washer,18 Sizes Oil Drain Plug Gaskets Assortment Kit,Automotive Aluminum Drain Plug Washer M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ie/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes](https://www.desertcart.ie/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-04-23*