Make sure that the cutting surface of the pipe is vertical, there is no scar on the outer circumference of the pipe, and the cross section of the pipe is smooth and flat.When inserting the tube, it must be inserted into the bottom of the tube.
eBay
Pressure Washer Tips Set with Nozzle Holder 5 or 7 Multiple Degrees Rinse Kit Nozzle 1/4 Inch Quick Connect Washer Tips 4000 PSI
Aliexpress UK
After the hose is inserted to the bottom, it is not easy to pull it out, so it is convenient to connect different pneumatic tools. The pneumatic connector can be used repeatedly and needs to be replaced in case of air leakage.
eBay
8/4PCS 3/4in Garden Hose Quick Connect Water Hose Fitting Stainless Steel Female and Male Connector Pressure Washer Pump Adapter
Aliexpress UK
Quick connect air hose fittings are suitable for air ducts, pneumatic tools, and so on, suitable for PU/ PA/ PE/ PVC products.SpecificationColor: BlackMaterial: Nickel-plated copper, plasticsThe inside diameter: 8mm / 0.31 inchSize: 55x17.5x32mm / 2.1x0.6x1.2 inch(L*W*H)Compressive strength: 15kg / 529 ozPacking List: 3 Pcs x Quick Connect UnionAdvantage:Pneumatic fittings tube valves are constructed from Nickel-plated copper and plastics, ensuring long-term durability and resistance to corrosion, and feature a secure sealing mechanism, minimizing the risk of gas leaks, and ensuring system integrity.
eBay
3/8 Inch Stainless Steel Pressure Washer Quick Connect Plug Coupler Kit Male Female Fittings with Internal and External Threads
Aliexpress UK
Specification: Description: Corrosion resistance, easy and quick installation, long lifespan.
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Pressure Washer Pivoting Coupler with 5 Angle 180 ° Rotation Gutter Cleaner Attachment Nozzle Tips 1/4 Quick Connect 4500 PSI
Aliexpress UK
All models of push lock fittings are designed to perfectly fit your pneumatic plumbing needs. Type: Straight Pneumatic Connector. Tight spaces are also suitable for pushing. You can easily change the orientation of the pipe connectors.
eBay
S60X6 Thread IBC Tank Tap Adapter Nipple 1/2-way Garden Hose Quick Connect Faucet Brass/Alloy Tank Valve Fitting
Aliexpress UK
660 l/min Nickel plated brass Nickel plated hardened steel Nickel plated hardened steel Brass Stainless steel Perbunan. British profile pattern connectors, ideally suited to a wide range of industrial air line, air tool and garage applications.
eBay
High Pressure Washer Hose with Steel Wire Braid, 314.96/560.55 inch Quick Connect and Release Water Hose Tube, M22/M14*1.5, Comp
Aliexpress UK
We will be happy to serve you. --We will try our best to help to reslove the problem, and will give you a satisfied resolution.
eBay
Pressure Washer Hose Quick Connect M22-14mm Male to M22-14mm Male Extension Fitting Garden Hose Thread Male To Female Adapters
Aliexpress UK
Upgrade your pneumatic systems with these high-quality direct push reducing hose fittings, designed to connect and disconnect pipes swiftly and securely. The strong plastic clip ensures a firm connection that doesn't easily fall off, while the sealing components provide a tight, leak-proof fit.
eBay
Multifunctional 5 in 1 Quick Connect AdapterHigh Pressure Turbine Nozzle Adapter High Pressure Washer Nozzles
Aliexpress UK