--- product_id: 686244249 title: "330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use" brand: "magicave" price: "A$27" currency: AUD in_stock: true category: "Magicave" url: https://www.desertcart.com.au/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes-flat-sealing store_origin: AU region: Australia --- # Copper for heat & corrosion resistance 330 pcs for every fix 12 versatile metric sizes 330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use **Brand:** magicave **Price:** A$27 **Availability:** ✅ In Stock ## Summary > 🔩 Seal the deal with copper precision – never compromise on reliability! ## Quick Answers - **What is this?** 330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use by magicave - **How much does it cost?** A$27 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes-flat-sealing) ## 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 - • **All-in-One Precision Kit:** 330 premium copper washers spanning 12 essential sizes (M5-M20) to cover every professional and DIY repair need. - • **Organized & Ready to Use:** Compact, clear storage box keeps all 330 washers neatly sorted for quick access and clutter-free workspaces. - • **Multi-Industry Versatility:** Perfect for automotive, plumbing, hydraulic, and mechanical applications—your go-to crush washer solution for critical maintenance. - • **Built to Last Under Pressure:** Heavy-duty copper construction ensures superior wear, rust, and corrosion resistance for long-lasting, leak-proof seals. - • **Engineered for Peak Performance:** Optimized load distribution minimizes heat and friction, outperforming steel and rubber alternatives in durability and efficiency. ## Overview The Magicave 330 Pcs Copper Washers Assortment Kit offers a comprehensive selection of 12 metric sizes (M5-M20) crafted from high-quality copper. Designed for automotive, plumbing, and mechanical applications, these flat crush washers provide exceptional corrosion resistance, heat tolerance, and precise load distribution to ensure leak-proof seals. Packaged in a durable, clear organizer, this kit is the ultimate professional-grade solution for reliable, efficient maintenance and repairs. ## 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 ## 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 | #3,484 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #19 in Flat Washers | | Brand | Magicave | | Color | Copper Washers-330Pcs | | Customer Reviews | 4.6 out of 5 stars 505 Reviews | | Exterior Finish | Plain | | Fastener Size | M5, M6, M8, M10, M12, M14, M16, M20 | | Fastener Type | Washer | | Finish Types | Plain | | Grade Rating | Heavy Duty | | Item Diameter | 5 millimeters | | Item Thickness | 1 millimeters | | Item Weight | 8 ounces | | Manufacturer | Magicave | | Material | Copper | | Material Type | Copper | | Metal Type | Copper | | Model | Copper Washers | | Number Of Items | 330 | | Number of Packs | 1 | | 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 | | Set Name | 330 Pcs Copper Washers Assortment Kit | | Size Name | M5, M6, M8, M10, M12, M14, M16, M20 | | Thread Size | M5, M6, M8, M10, M12, M14, M16, M20 | | Unit Count | 330 Count | | Washer Application | automotive, mechanical, plumbing | | Washer Compatibility | metric bolts | | 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 Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use - Image 1](https://m.media-amazon.com/images/I/814IGfx8HNL.jpg) ![330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use - Image 2](https://m.media-amazon.com/images/I/81upscyFn5L.jpg) ![330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use - Image 3](https://m.media-amazon.com/images/I/71vluh2HMOL.jpg) ![330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use - Image 4](https://m.media-amazon.com/images/I/81O6RjYssoL.jpg) ![330 Pcs Copper Washers Assortment Kit – 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use - Image 5](https://m.media-amazon.com/images/I/71fO1MtL+4L.jpg) ## Available Options This product comes in different **Color** options. ## 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.com.au/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes-flat-sealing](https://www.desertcart.com.au/products/686244249-330-pcs-copper-washers-assortment-kit-12-sizes-flat-sealing) --- *Product available on Desertcart Australia* *Store origin: AU* *Last updated: 2026-09-16*