{"product_id":"brass-pressure-washer-adapter-1-4-inch-quick-connect-coupler","title":"1\/4 Inch Brass Pressure Washer Quick Connect Adapter Coupler","description":"\n\u003ch2\u003e1\/4 Inch Solid Brass Pressure Washer Quick Connect Adapter\u003c\/h2\u003e\n\u003cp\u003eUpgrade your pressure washer setup with this heavy-duty \u003cstrong\u003e1\/4 inch brass quick connect coupler\u003c\/strong\u003e. Precision-machined from 100% solid brass, this adapter delivers a leak-free, high-pressure connection every time — no tools required. Whether you're tackling car washing, driveway cleaning, or commercial-grade jobs, this fitting keeps your equipment running at peak performance.\u003c\/p\u003e\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Solid Brass Construction:\u003c\/strong\u003e Crafted from 100% high-quality solid brass for outstanding corrosion resistance and rust prevention. Withstands water, cleaning agents, and harsh outdoor environments — engineered for a service life exceeding ten years.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Leak-Free Fit:\u003c\/strong\u003e Machined brass threads closely fit the 15.7 mm outer diameter \/ 11.8 mm inner diameter pressure washer interface, preventing water leakage even under high working pressure for consistent, powerful output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool-Free Quick Installation:\u003c\/strong\u003e Simply hand-tighten to connect or disconnect in seconds. Swap nozzles, hoses, and accessories quickly to maximize your workflow efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Pressure Rated:\u003c\/strong\u003e Thick solid brass walls resist cracking and fracturing under demanding pressure loads — ideal for both everyday residential and heavy-duty commercial cleaning tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Standard-sized interfaces (M16×2 external thread + 1\/4\" female quick-connect) fit most mainstream pressure washers, hoses, and nozzle adapters on the market. No compatibility headaches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolid Brass (Copper)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural Brass Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBottom Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Inner Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM16 × 2 External Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × M16×2 External Thread Head + 1\/4\" Small Female Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-pressure cleaning, car washing, commercial pressure washing\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct photos may not reflect actual size — please refer to the specifications above for accurate dimensions.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement differences may occur due to manual measuring.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly depending on your monitor's display settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/balashov-2500w-handheld-steam-cleaner-kitchen-car-home\"\u003eBALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car \u0026amp; Home\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread size does this pressure washer adapter use?\u003c\/h4\u003e\n\u003cp\u003eA: This brass quick connect coupler features an M16 × 2 external thread head paired with a 1\/4 inch small female connector. The outer diameter is 15.7 mm and the inner diameter is 11.8 mm, fitting most standard pressure washer hoses and nozzle adapters.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this adapter compatible with my existing pressure washer?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this adapter is designed with standard-sized brass interfaces to be compatible with the vast majority of mainstream pressure washers, hoses, and nozzle adapters on the market. Always double-check your machine's thread size against the M16 × 2 specification before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any tools to install or remove this coupler?\u003c\/h4\u003e\n\u003cp\u003eA: No tools are needed. The fitting is designed for quick, hand-tight installation and removal, allowing you to switch cleaning accessories swiftly and efficiently without any additional equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: How durable is this brass pressure washer fitting?\u003c\/h4\u003e\n\u003cp\u003eA: Made from 100% solid brass, this adapter offers excellent corrosion and rust resistance, able to withstand prolonged exposure to water, cleaning agents, and tough outdoor conditions. It is built for a service life exceeding ten years under normal use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread size does this pressure washer adapter use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This brass quick connect coupler features an M16 × 2 external thread head paired with a 1\/4 inch small female connector. 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