--- product_id: 264541153 title: "M20 x 1.5 Stainless Steel 316 Threaded Plug Fitting with Copper Washer – Slim Round Allen Key Head – Metric Thread Sealing Plug for Hydraulic, Fluid and Industrial Systems" brand: "adaptormount" price: "€ 20.26" currency: EUR in_stock: true category: "Adaptor Mount" url: https://www.desertcart.sk/products/264541153-m20-x-1-5-stainless-steel-316-threaded-plug-fitting store_origin: SK region: Slovakia --- # Precision CNC Threads - Perfect M20 x 1.5 fit Copper Washer - High-temp leak-proof seal 316 Stainless Steel - Ultimate corrosion resistance M20 x 1.5 Stainless Steel 316 Threaded Plug Fitting with Copper Washer – Slim Round Allen Key Head – Metric Thread Sealing Plug for Hydraulic, Fluid and Industrial Systems **Brand:** adaptormount **Price:** € 20.26 **Availability:** ✅ In Stock ## Summary > 🔧 Seal with Confidence, Install with Style ## Quick Answers - **What is this?** M20 x 1.5 Stainless Steel 316 Threaded Plug Fitting with Copper Washer – Slim Round Allen Key Head – Metric Thread Sealing Plug for Hydraulic, Fluid and Industrial Systems by adaptormount - **How much does it cost?** € 20.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/264541153-m20-x-1-5-stainless-steel-316-threaded-plug-fitting) ## Best For - adaptormount enthusiasts ## Why This Product - Trusted adaptormount brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit Every Time:** CNC-machined M20 x 1.5 threads guarantee a flawless, leak-proof seal that professionals trust. - • **Thermal-Resistant Sealing:** Solid copper washer maintains integrity under extreme temperature changes, preventing leaks and downtime. - • **Sleek, Space-Saving Design:** Slim round Allen key head enables flush installation in tight, hard-to-reach spaces without compromising strength. - • **Versatile Industrial Application:** Ideal for hydraulic systems, tanks, manifolds, and piping—engineered for the demands of modern industry. - • **Built to Last in Harsh Environments:** 316 stainless steel ensures unmatched corrosion resistance and durability for industrial and fluid systems. ## Overview The M20 x 1.5 Stainless Steel 316 Threaded Plug Fitting combines premium corrosion-resistant material with precision CNC machining for a reliable, leak-proof seal in industrial and hydraulic systems. Featuring a slim Allen key head for tight spaces and a solid copper washer for high-temperature durability, this plug is engineered to meet the rigorous demands of fluid and mechanical applications. ## Description This M20 x 1.5 stainless steel threaded plug fitting is designed for securely sealing compatible metric threaded ports in industrial, mechanical, and fluid system applications. Manufactured from high-grade 316 stainless steel, it provides excellent corrosion resistance and long-term durability in high-moisture, chemical, and high-temperature environments. The slim round head with internal Allen key drive allows for clean, low-profile installation where clearance is limited. Precision CNC machining ensures accurate M20 x 1.5 straight metric threading, providing consistent fit and reliable sealing performance for threaded openings used in hydraulic equipment, tanks, manifolds, and piping assemblies. The included solid copper sealing washer improves sealing reliability and maintains performance under extreme temperature fluctuations without cracking or deformation. This threaded plug fitting is suitable for sealing threaded openings in industrial equipment, fluid systems, tanks, manifolds, housings, and piping components where a durable stainless steel metric plug is required. Let us know if you have any questions. ## Features - 316 Stainless Steel Construction – Premium corrosion-resistant material designed for long-term durability in demanding industrial and high-moisture environments - Precision CNC Machined Threads – Accurate M20 x 1.5 metric straight thread provides consistent fit and dependable sealing performance - Slim Round Allen Key Head – Internal hex drive with low-profile round head allows flush installation in tight or limited-clearance spaces - Industrial Thread Sealing Plug – Designed for closing threaded openings in hydraulic systems, tanks, manifolds, pipe fittings, and fluid equipment - Includes Solid Copper Washer – High-temperature resistant sealing washer helps maintain leak-free performance in thermal cycling environments ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08F4XW4X1 | | Best Sellers Rank | #16,466 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #137 in Pressure Washer Accessories | | Brand Name | AdaptorMount | | Color | Silver | | Customer Reviews | 4.7 4.7 out of 5 stars (336) | | Item Weight | 31 g | | Manufacturer | AdaptorMount | | Manufacturer Part Number | PLG-M20-SS316 | | Material Type | Stainless Steel | | Model Number | PLG-M20 | | Number of Items | 1 | | Unit Count | 1 Count | ## Product Details - **Brand:** AdaptorMount - **Color:** Silver - **Item Weight:** 31 g - **Material:** Stainless Steel - **Number of Items:** 1 ## Images ![M20 x 1.5 Stainless Steel 316 Threaded Plug Fitting with Copper Washer – Slim Round Allen Key Head – Metric Thread Sealing Plug for Hydraulic, Fluid and Industrial Systems - Image 1](https://m.media-amazon.com/images/I/61-drAP8VyL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - M20 x 1.5 Stainless Steel 316 Slim Round Head Allen Key Slotted Plug with Copper Washer - Aceteel M20 X 1.5 Metric Hand Tap, Right Hand M20 X 1.5mm Threading Hand Tap 1Pair --- ## 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.sk/products/264541153-m20-x-1-5-stainless-steel-316-threaded-plug-fitting](https://www.desertcart.sk/products/264541153-m20-x-1-5-stainless-steel-316-threaded-plug-fitting) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-11-10*