--- product_id: 534807843 title: "AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack" brand: "amlooph" price: "¥1873" currency: JPY in_stock: true category: "Amlooph" url: https://www.desertcart.jp/products/534807843-amlooph-m4-washers-m4-x-12mm-a2-stainless-steel-flat store_origin: JP region: Japan --- # Precision M4 x 12mm sizing 1mm thickness for optimal load distribution 304 A2 stainless steel durability AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack **Brand:** amlooph **Price:** ¥1873 **Availability:** ✅ In Stock ## Summary > 🔩 Elevate your build with precision and strength — don’t settle for less! ## Quick Answers - **What is this?** AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack by amlooph - **How much does it cost?** ¥1873 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/534807843-amlooph-m4-washers-m4-x-12mm-a2-stainless-steel-flat) ## Best For - amlooph enthusiasts ## Why This Product - Trusted amlooph brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack Convenience:** 20-pack supply keeps you ready for any project, minimizing downtime and maximizing efficiency. - • **Load-Bearing Excellence:** 1mm thick flat penny design spreads pressure evenly to prevent pull-through and secure your projects. - • **Versatile DIY Essential:** Perfect for furniture, machinery, craft projects, and industrial repairs—your go-to hardware upgrade. - • **Precision Engineered Fit:** Exact M4 x 12mm dimensions ensure seamless compatibility with your bolts and screws. - • **Premium Stainless Steel Strength:** Crafted from corrosion-resistant 304 A2 stainless steel for long-lasting indoor and outdoor use. ## Overview The AMLOOPH M4 Washers are high-precision, 12mm diameter flat penny washers made from premium 304 A2 stainless steel. With a 1mm thickness, they provide excellent load distribution and corrosion resistance, making them ideal for both professional and DIY applications. Supplied in a convenient 20-pack, these washers ensure durability and reliability across a wide range of mechanical, furniture, and industrial projects. ## Description AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack | Metal Flat Washers Thickness 1mm, Large OD Plain Wide Metal Round Flat Spacer Repair Washer for Screws Bolts : desertcart.co.uk: DIY & Tools ## Features - 【M4 Washers Size】: High-precision manufacturing M4x12mm washer DIN9021- Inner hole diameter-4.3mm, Outer diameter(OD)-12mm, thickness-1mm. Pack 20PCS; - 【M4 Metal Washers Premium Materials】:M4 Flat penny washer is made of high quality 304 stainless steel A2 standard, with a smooth surface & edge safe in your hands, corrosion resistance & rust resistance high strength solid & durable feature bring you a long life service in indoor or outdoor project. - 【Practical Function】: M4 Flat washers offer a flat bearing surface to effectively spread the load pressure generated and prevent pull through that distributes the weight ensuring a secure hold. Useful M4 washers for screws and Bolts - 【Wide Applications】: Penny washers perfect for daily use and industrial use, such as tap washers, steel washers, household maintenance, Flat Repair washers, furniture manufacturing, Machine Tools, DIY projects, mechanical equipments, craft products, ship parts, etc. - 【 Note 】: Please Check Your Require Penny Washers Size before buy, and selection washers from the drop down menu. Image only for illustrative purposes ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B49QMCNL | | Best Sellers Rank | 1,076 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Washers | | Brand Name | AMLOOPH | | Colour | Silver | | Compatible Groove Diameter | 4.3 Millimeters | | Country Of Origin | China | | Customer Reviews | 4.7 4.7 out of 5 stars (1,807) | | Exterior Finish | Stainless Steel | | Fastener Size | M4 | | Fastener Type | Flat Washer | | Finish Types | Stainless Steel | | Item Diameter | 4.3 Millimetres | | Item Dimensions | 15 x 10.5 x 1 centimetres | | Item Highlight | Metal Flat Washers Thickness 1mm, Large OD Plain Wide Metal Round Flat Spacer Repair Washer for Screws Bolts | | Item Thickness | 1 Millimetres | | Item Weight | 15 Grams | | Manufacturer | GREETEC | | Manufacturer Part Number | Metal Flat Washers | | Material Type | Stainless Steel | | Metal | Stainless Steel | | Model Number | M4x12x1mm-A2(20) | | Number Of Items | 20 | | Number of Pieces | 20 | | Outside Diameter | 12 Millimetres | | Screw Head Style | Round | | Set Name | M4 x 12mm Flat Washer Set (20 Pack) | | Size | M4x12x1mm-A2(20) | | Thread Size | M4 | | Unit Count | 1.0 count | | Washer Compatibility | bolts, screws | | Washer Type | Flat | ## Product Details - **Exterior finish:** Stainless Steel - **Fastener size:** M4 - **Material:** Stainless Steel - **Outside diameter:** 12 Millimetres - **Washer type:** Flat ## Images ![AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack - Image 1](https://m.media-amazon.com/images/I/41yWQsrMfmL.jpg) ![AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack - Image 2](https://m.media-amazon.com/images/I/51H2LJSC4SL.jpg) ![AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack - Image 3](https://m.media-amazon.com/images/I/51lZ23JH9rL.jpg) ![AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack - Image 4](https://m.media-amazon.com/images/I/51Ka13n+MeL.jpg) ![AMLOOPH M4 Washers, M4 x 12mm A2 Stainless Steel Flat Penny Washers 20Pack - Image 5](https://m.media-amazon.com/images/I/61-SFut3COL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.jp/products/534807843-amlooph-m4-washers-m4-x-12mm-a2-stainless-steel-flat](https://www.desertcart.jp/products/534807843-amlooph-m4-washers-m4-x-12mm-a2-stainless-steel-flat) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-24*