1/4 Inch Brass Pressure Washer Quick Connect Adapter Coupler
1/4 Inch Solid Brass Pressure Washer Quick Connect Adapter
Upgrade your pressure washer setup with this heavy-duty 1/4 inch brass quick connect coupler. 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.
Made in Mainland China.
Key Features
- Premium Solid Brass Construction: 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.
- Precision Leak-Free Fit: 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.
- Tool-Free Quick Installation: Simply hand-tighten to connect or disconnect in seconds. Swap nozzles, hoses, and accessories quickly to maximize your workflow efficiency.
- High-Pressure Rated: Thick solid brass walls resist cracking and fracturing under demanding pressure loads — ideal for both everyday residential and heavy-duty commercial cleaning tasks.
- Wide Compatibility: 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.
Specifications
| Material | Solid Brass (Copper) |
| Color | Natural Brass Gold |
| Bottom Diameter | 15.7 mm |
| Connector Inner Diameter | 11.8 mm |
| Thread Size | M16 × 2 External Thread |
| Package Includes | 1 × M16×2 External Thread Head + 1/4" Small Female Connector |
| Applications | High-pressure cleaning, car washing, commercial pressure washing |
| Country of Origin | Mainland China |
Important Notes
- Product photos may not reflect actual size — please refer to the specifications above for accurate dimensions.
- Minor measurement differences may occur due to manual measuring.
- Actual color may vary slightly depending on your monitor's display settings.
You May Also Like
- BALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car & Home
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
- 360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What thread size does this pressure washer adapter use?
A: 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.
Q: Is this adapter compatible with my existing pressure washer?
A: 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.
Q: Do I need any tools to install or remove this coupler?
A: 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.
Q: How durable is this brass pressure washer fitting?
A: 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.