--- product_id: 174998685 title: "Brass Compression Tube Fitting, Union, 3/8\" OD x 3/8\" OD, 5pcs" brand: "tl toolegin" price: "NT$2133" currency: TWD in_stock: true reviews_count: 8 category: "Tl Toolegin" url: https://www.desertcart.tw/products/174998685-brass-compression-tube-fitting-union-3-8-od-x-3 store_origin: TW region: Taiwan --- # 3/8" OD x 3/8" OD precision fit -65°F to +250°F temperature range 3-piece design for easy assembly/disassembly Brass Compression Tube Fitting, Union, 3/8" OD x 3/8" OD, 5pcs **Brand:** tl toolegin **Price:** NT$2133 **Availability:** ✅ In Stock ## Summary > 🔗 Connect with Confidence — The Union Your Projects Deserve ## Quick Answers - **What is this?** Brass Compression Tube Fitting, Union, 3/8" OD x 3/8" OD, 5pcs by tl toolegin - **How much does it cost?** NT$2133 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/174998685-brass-compression-tube-fitting-union-3-8-od-x-3) ## Best For - tl toolegin enthusiasts ## Why This Product - Trusted tl toolegin brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Premium brass construction offers superior corrosion resistance and ductility under extreme temperatures. - • **Tool-Free Convenience:** Innovative 3-piece construction (nut, sleeve, body) allows quick assembly and disassembly—no flaring tool needed. - • **Precision Fit, Zero Guesswork:** Exact 3/8" OD x 3/8" OD sizing ensures seamless integration with copper, brass, aluminum, or plastic tubing. - • **Versatile Application Powerhouse:** Perfect for grease, fuels, refrigeration, water, oil, gas, and hydraulic systems—your all-in-one fitting solution. - • **Trusted Quality, Proven Popularity:** Ranked #1,952 in Pipe Fittings with a stellar 4.6-star rating from 264+ professionals. ## Overview This 5-pack of 3/8" OD brass compression tube union fittings features a durable 3-piece design for easy, tool-free assembly and disassembly. Engineered for versatility, they support copper, brass, aluminum, and plastic tubing across a wide temperature range (-65°F to +250°F). Ideal for industrial and scientific applications including fuel, refrigeration, and hydraulic systems, these corrosion-resistant fittings combine precision and reliability, making them a top choice among professionals. ## Description Used for a variety of applications, not limited to grease, fuels, refrigeration, water, oil gas, and hydraulic systems. If you are unsure as to which NPT thread size you have ,please reference this chart that show you the NPT thread size crossed over the your linear measurement in inches. Note:NPT cannot be accurately calvulated with a linear measuring tool like a Tape Measure, Ruler or Caliper. NPT Thread size is NOT determined by its outside thread diameter in inches. Review: Great Unions - Unions work as advertized. Very pleased. Review: High Quality Durable and Easy to Use - These brass compression fittings are perfect for creating a secure and leak-free connection The 1/4-inch OD size fits perfectly, and the brass construction is strong and corrosion-resistant, making them ideal for plumbing HVAC and other tubing applications Installation was quick and hassle-free No leaks and no need for soldering The fittings tighten smoothly, ensuring a secure hold without damaging the tubing This product offers great value for money excellent functionality and is easy to use If you need reliable and high-quality compression fittings this is a great choice Highly recommend ## Features - Size: 3/8" Tube OD x 3/8" Tube OD - Three piece construction - nut, sleeve and body with attached insert.Easy to disassemble no flaring tool required. - Use with copper, brass, aluminum, or plastic tubing. -65 Degree F to +250 degree F temperature range. Standard fittings use short nuts. - Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability - These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07SJYCN96 | | Best Sellers Rank | #52,545 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,498 in Pipe Fittings | | Brand | TL TOOLEGIN | | Brand Name | TL TOOLEGIN | | Color | Copper | | Connector Type | Union | | Customer Reviews | 4.6 out of 5 stars 265 Reviews | | Exterior Finish | Brass | | Item Weight | 16 ounces | | Manufacturer | Le | | Manufacturer Part Number | 62*6-5 | | Material | Brass | | Material Type | Brass | | Model Number | 62*6-5 | | Number of Pieces | 3, 5 | | Size | 3/8" x 3/8" Tube OD | | Thread Type | NPT | | UPC | 745396603854 | | Unit Count | 5 Count | ## Product Details - **Brand:** TL TOOLEGIN - **Color:** Copper - **Connector Type:** Union - **Exterior Finish:** Brass - **Item Weight:** 16 ounces - **Manufacturer:** Le - **Material:** Brass - **Number of Pieces:** 3, 5 - **Size:** 3/8" x 3/8" Tube OD - **Thread Type:** NPT ## Images ![Brass Compression Tube Fitting, Union, 3/8" OD x 3/8" OD, 5pcs - Image 1](https://m.media-amazon.com/images/I/61kKOgOEyPL.jpg) ![Brass Compression Tube Fitting, Union, 3/8" OD x 3/8" OD, 5pcs - Image 2](https://m.media-amazon.com/images/I/51dEhwJaXfL.jpg) ![Brass Compression Tube Fitting, Union, 3/8" OD x 3/8" OD, 5pcs - Image 3](https://m.media-amazon.com/images/I/51hp5XyIYpL.jpg) ![Brass Compression Tube Fitting, Union, 3/8" OD x 3/8" OD, 5pcs - Image 4](https://m.media-amazon.com/images/I/511WKKLSGNL.jpg) ![Brass Compression Tube Fitting, Union, 3/8" OD x 3/8" OD, 5pcs - Image 5](https://m.media-amazon.com/images/I/51XLrNrQWvL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Unions *by T***O on August 25, 2026* Unions work as advertized. Very pleased. ### ⭐⭐⭐⭐⭐ High Quality Durable and Easy to Use *by I***F on January 31, 2025* These brass compression fittings are perfect for creating a secure and leak-free connection The 1/4-inch OD size fits perfectly, and the brass construction is strong and corrosion-resistant, making them ideal for plumbing HVAC and other tubing applications Installation was quick and hassle-free No leaks and no need for soldering The fittings tighten smoothly, ensuring a secure hold without damaging the tubing This product offers great value for money excellent functionality and is easy to use If you need reliable and high-quality compression fittings this is a great choice Highly recommend ### ⭐⭐⭐⭐⭐ Good splices *by B***S on October 8, 2025* It’s a good splice. No complaints --- ## 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.tw/products/174998685-brass-compression-tube-fitting-union-3-8-od-x-3](https://www.desertcart.tw/products/174998685-brass-compression-tube-fitting-union-3-8-od-x-3) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-09-16*