--- product_id: 191432308 title: "KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert" brand: "kootans" price: "S$17" currency: SGD in_stock: true url: https://www.desertcart.sg/products/191432308-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to store_origin: SG region: Singapore --- # Operates from -65°F to +250°F, 1200 psi pressure rating 3/8 NPT male to 1/4 NPT female precision threads Premium forged brass for durability & corrosion resistance KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert **Brand:** kootans **Price:** S$17 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your plumbing game with KOOTANS – where precision meets power! ## Quick Answers - **What is this?** KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert by kootans - **How much does it cost?** S$17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/191432308-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to) ## Best For - kootans enthusiasts ## Why This Product - Trusted kootans brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Plumbing Adapter:** Seamlessly connects 3/8” male to 1/4” female NPT pipes for compressed air, hydraulic, gas, and more. - • **Precision Engineered Threads:** Deep, accurate NPT taper threads ensure leak-proof, secure connections every time. - • **Heavy-Duty Brass Construction:** Forged brass body offers superior strength, corrosion resistance, and longevity under demanding conditions. - • **Easy Installation & Maintenance:** Hex bushing design allows quick tightening and loosening, compatible with Teflon tape for enhanced sealing. - • **Wide Temperature & Pressure Range:** Reliable performance from freezing cold to extreme heat, handling up to 1200 psi with ease. ## Overview KOOTANS 4-piece brass reducer set converts 3/8 NPT male threads to 1/4 NPT female with premium forged brass fittings. Engineered for durability and corrosion resistance, these adapters operate reliably from -65°F to 250°F and withstand pressures up to 1200 psi. Ideal for professional-grade plumbing, compressed air, hydraulic, and gas applications, they ensure leak-proof connections with deep, accurate NPT taper threads and user-friendly hex design. ## Description Premium solid brass material, thicker and stronger. Durable deep and accurate thread, corrosion resistance, low magnetic permeability and high temperature ductility. Apply to plumbing connections, compressed air, hydraulic, refrigeration, instrumentation, gas and other applications, easy to install. ## Features - SIZE: 3/8 NPT male thread to 1/4 NPT female thread hex bushing. PLEASE NOTE, NPT Thread Size is a nominal pipe size and it does not represent the actual diameter. Please look the size chart for the specific thread diameter. NPT thread has a 60° taper, so usually unable to screw the thread to the end - MATERIAL: Premium forged brass reducer, thicker and stronger, durable, threads are deep and accurate, high corrosion resistance, low magnetic permeability and high temperature ductility. Quantity: 4pieces 3/8 to 1/4 npt reducing brass bushing adapters - EXQUISITE TECHNOLOGY: Brass pipe fittings are designed with deep and accurate thread to ensure tight and no leak connection and easy installation. NPT thread has better sealing performance than straight thread. Can use teflon tape before installation to further strengthen the seal and prevent air leakage - Operating Pressure: 1200 psi, Temperature Range of -65°F to +250°F (-53°C to +121°C). It's hard connect way and in most cases do not require sealant - FUNCTION: Used to connect female and male pipes with different diameters. Apply to plumbing connections, compressed air, hydraulic, gas and other applications, hex nut for easy tightening and loosening ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07P5SBMSL | | Best Sellers Rank | #6,706 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #69 in Pipe Fittings | | Brand Name | KOOTANS | | Color | NPT Size is the nominal pipe code, it does not represent the actual diameter. Please check the size chart before buying. | | Connector Type | Reducer | | Customer Reviews | 4.4 4.4 out of 5 stars (267) 4.4 out of 5 stars | | Exterior Finish | Brass | | Included Components | 3/8 NPT Male Thread to 1/4 NPT Female | | Item Weight | 1.6 ounces | | Manufacturer | KOOTANS | | Manufacturer Part Number | 3220CB | | Material Type | Brass | | Model Number | CA-3220CB-4 | | Number Of Packs | 4 | | Number Of Pieces | 4 | | Set Name | 4-Piece Set | | Size | 3/8 x 1/4 NPT (O.D x I.D: 5/8'' x 1/2'') | | Thread Size | 3/8 NPT male and 1/4 NPT female | | Thread Type | NPT | | Unit Count | 4 Count | | Upc | 681413583955 | ## Product Details - **Brand:** KOOTANS - **Connector Type:** Reducer - **Exterior Finish:** Brass - **Item Weight:** 1.6 ounces - **Material:** Brass - **Number of Pieces:** 4 - **Size:** 3/8 x 1/4 NPT (O.D x I.D: 5/8'' x 1/2'') - **Thread Size:** 3/8 NPT male and 1/4 NPT female - **Thread Type:** NPT ## Images ![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert - Image 1](https://m.media-amazon.com/images/I/616+3nkqH5L.jpg) ![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert - Image 2](https://m.media-amazon.com/images/I/71Wn9gnuxtL.jpg) ![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert - Image 3](https://m.media-amazon.com/images/I/71d+aP+iF3L.jpg) ![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert - Image 4](https://m.media-amazon.com/images/I/71ZUBX2McnL.jpg) ![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert - Image 5](https://m.media-amazon.com/images/I/71zFRZc+IHL.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.sg/products/191432308-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to](https://www.desertcart.sg/products/191432308-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-11-14*