12mm Copper Pipe Fittings of 2025
Best Choice1
TAISHERTAISHER 2PCS 304 Stainless Steel Compression Tube Pipe Fitting Connector, 12MM Tube OD x 12MM Tube OD Straight Adapter
Main highlights- [ Working Temperature ] Temperature range from -40 to 392 degrees F.
- [ Widely Used ] This pipe fitting is suitable for fuel/air/liquid/oil/gas/vacuum pipelines, with good air tightness, pressure resistance, and not easy to trip.
- [ Product Material ] 304 stainless steel strength and resistance to corrosion, ductility at high temperatures, and low magnetic permeability.
- [ Maximum Pressure ] Maximum working pressure is 1400PSI.
- [ Function ] Fittings for connecting and extending stainless steel, copper, rigid and semi-rigid plastic pipes of the same diameter, hex nut construction creates a tight seal.
9.7Exceptional
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Value for Money2
PATIKILPATIKIL 12mm ID Copper Coupling Fittings, 12 Pcs Rolled Tube Stop Straight Pipe Fitting Welding Joint for HVAC Air Conditioning Plumbing Refrigeration
Main highlights- Specification: Material: Copper; Color: Copper Tone; Inner Diameter: 12mm / 0.5"; Total Length: 21.5mm / 0.85"; Wall thickness: 0.8mm; Package List: 12 × Copper Coupling Fitting
- NOTE: Please confirm the inner diameter before ordering.
- Instruction: Cleaning the connection surface, and then soldering to install. The reel stop and sweat end can help you connect more easily.
- Application: These straight copper coupling fittings are widely used on water plumbing, air conditioner, heat pump system, hydraulics, and refrigeration system etc., they are good replacement for changing the direction of your copper pipeline.
- Advantage: Copper pipe fittings are made of copper material, which has good thermal conductivity, corrosion resistance, easy welding, stable performance and long service life. The surface is smooth and no burrs. The straight copper coupling fittings come with reel stops and sweat-wicking ends for easy connection.
9.6Exceptional
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3
PATIKILPATIKIL 12mm ID 0.8mm Thick Elbow Copper Fitting, 6pcs 99.9% Pure Copper Pipe Fitting 90 Degree Short Radius Tube Connector Sweat Solder for HVAC Refrigeration System
Main highlights- NOTE: 1. Please note that the sizes we mentioned are all actual sizes, not the nominal size. For example, the 1 inch copper elbow has 1"(25.4mm) ID size, suitable for connecting 1"(25.4mm) OD copper pipes, not suitable for 1" nominal copper pipe which has 1-1/8" OD size. 2. HVAC and Refrigeration tubing is measured by it's outside diameter, while plumbing tubing is measured by it's inside diameter, please confirm the size carefully before purchasing.
- Instruction: Just clean and flux the pipe and fitting, then heat with a torch and apply solder. Allow to cool before handling. These fittings are suitable for use in both residential and commercial plumbing applications.
- Color: Copper Tone; Material: Copper; Inner Dia.: 12mm / 0.47 inch; Thickness.: 0.8mm / 0.03 inch; Packing List: 6 x Copper Fitting
- Application: These copper fittings are good for use in a variety of plumbing applications, including water supply, HVAC system, refrigeration system, water heating system etc. These copper fittings can work on type M,L or K copper tubing.
- Advantage: Made from pure copper, these fittings are durable and long lasting. The short radius design allows for easy installation in tight spaces. The sweat solder connection ensures a secure and leak-free joint.
9.5Excellent
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4
Create ideaCreate idea 4Pcs 12mm Copper Compression Fitting Straight Tube Compression Ferrule Fittings for Hydraulic Pipes Cooling Pipes Fuel System 12x38.5mm Silver
Main highlights- This straight-through compression pipe connector is suitable for pipes such as water heating, gas, air conditioning, air compressor, pneumatic pharmaceutical, food, chemical, and fire equipment.
- The straight-through structure makes fluid transmission smoother and reduces resistance and energy consumption.
- The interface size is 12mm and the length is 38.5mm. It is suitable for 12mm pipe diameter connection, and other pipes are not suitable.
- The inner material is brass, which has good thermal conductivity and corrosion resistance, and is suitable as an internal material for fluid transmission. The outer surface is copper-plated with nickel, which can effectively resist oxidation and corrosion, and enhance the durability and aesthetics of the joint.
- Easy to install, just loosen the outer ring of the two ends of the interface, connect the pipes together, and then tighten the outer ring.
9.4Excellent
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5
PATIKILPATIKIL 12mm ID 1mm Thick Tee Copper Fitting, 5pcs 99.9% 3 Way Pure Copper Pipe Fitting Tube Connector with Sweat Solder Connection for Plumbing HVAC Refrigeration System
Main highlights- NOTE: 1. Please note that the sizes we mentioned are all actual sizes, not the nominal size. For example, the 1 inch copper elbow has 1"(25.4mm) ID size, suitable for connecting 1"(25.4mm) OD copper pipes, not suitable for 1" nominal copper pipe which has 1-1/8" OD size. 2. HVAC and Refrigeration tubing is measured by it's outside diameter, while plumbing tubing is measured by it's inside diameter, please confirm the size carefully before purchasing.
- Instruction: Just clean and flux the pipe and fitting, then heat with a torch and apply solder. Allow to cool before handling. These fittings are suitable for use in both residential and commercial plumbing applications.
- Color: Copper Tone; Material: Copper; Type: Tee Copper Fitting; Inner Dia.: 12mm / 0.47 inch(suitable for connecting 12mm OD copper pipe); Thickness.: 1mm / 0.04 inch; Size: 38x25mm / 1.5"x0.98" (LxW); Packing List: 5 x Copper Fitting
- Application: These copper fittings are good for use in a variety of plumbing applications, including water supply, HVAC system, refrigeration system, water heating system etc. These copper fittings can work on type M,L or K copper tubing.
- Advantage: Made from pure copper, these fittings are durable and long lasting. The short radius design allows for easy installation in tight spaces. The sweat solder connection ensures a secure and leak-free joint.
9.2Excellent
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6
TAILONZ PNEUMATICTAILONZ PNEUMATIC Male Straight 12mm Tube OD x 1/8 Inch NPT Thread Push to Connect Fittings PC12-N1 (Pack of 5)
Main highlights- 【Size】12mm Tube OD x 1/8" NPT Thread
- 【Product Name】Straight Push-in Connect Fittings
- 【Maximum Pressure】145Psi【Working Temperature】32～140°F
- 【Material】Copper and Plastic
- 【Applicable Tube】PU / PA / PE / PVC
9.0Excellent
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7
PATIKILPATIKIL 12mm Tube OD Compression Sleeves Ferrules, 6pcs Copper Ferrule Fitting Compression Fitting Assortment Kit for Air Water Gas
Main highlights- Specification: Material: Copper; Color: Copper Tone; Total Length: 12mm / 0.47inch; Suitable for connecting 12mm outer diameter copper pipe.; Inner Diameter: 12mm / 0.47inch; Outer Diameter: 14mm / 0.55inch; Wall Thickness: 1mm / 0.04inch; Package List: 6 x Compression Sleeves Ferrules
- NOTE: Please confirm the pipe size before purchasing it.
- Instruction: Insert the copper pipe with appropriate diameter into the sleeve, then fixing it to pipe connectors with nuts.
- Application: This compression sleeves ferrules are widely used in pipe connection for hydraulic and pneumatic systems, HVAC, humidifiers, etc., and suitable for connecting copper, brass, aluminum, or plastic tubing. These compression olives play an important role in creating a robust and leak-proof connection for your compression fitting. Whether you are a plumbing expert or a DIY lover, compression olives will be an indispensable asset in your toolbox.
- Advantage: The copper ferrule fittings are made of copper, good thermal conductivity. These ferrules have a smooth surface and provide a good seal, providing a secure connection for pipe connections.
8.9Very Good
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8
PATIKILPATIKIL 3/8 Inch (10mm) ID Copper Pipe End Cap, 5 Pack Copper Fitting Cap Sweat Plug Solder Connection for Plumbing HVAC Air Conditioner
Main highlights- NOTE: Need to confirm the pipe size before ordering.
- Material: Copper; Inner Diameter: 10mm / 3/8 Inch; Outer Diameter: 12mm / 0.47 Inch; Thickness: 0.9mm / 0.04 inch; Total Length: 11mm / 0.43 Inch; Packing List: 5 Pcs x Copper Pipe Fitting
- Instruction: Cleaning the connection surface, and then soldering to install.
- Application: These copper pipe fittings are widely used on water plumbing, air conditioner, heat pump system, and refrigeration system. It is a hardware for sealing the end of your copper pipeline.
- Advantage: The copper pipe fitting is made of copper material, with good thermal conductivity. Have a good performance on transferring the Heat. Smooth surface and no burrs.
8.7Very Good
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9
uxcelluxcell Copper Round Tube, 12mm OD 1mm Wall Thickness 200mm Length Straight Pipe Tubing 3 Pcs
Main highlights- [Weldable & Cuttable] - Copper tubing can be welded and processed to different lengths according to your needs by using the right equipment.
- [Warm Note] - The surface of the copper tube is easy to be oxidized and it will have a little oxidation (not rustiness), but it does not affect the use. If you need a beautiful appearance, such as crafts, it is recommended to use fine sandpaper grinding.
- [Seamless Construction] - The interior is smooth without seams and is available in an extruded structural or a drawn seamless copper round tube for precision applications.
- [Durable Copper Tube] - Made of copper material, which is lightweight, with high strength, good thermal conductivity, corrosion resistance, high-temperature resistance, ductility, and weather resistance. Can be used on various occasions.
- [Application] - Commonly used in machinery, DIY projects, hobbies, crafts, building models, building decorations, frames, industrial, gardening products, and so on.
8.4Good
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10
PROCURUPROCURU 10-Pack 1/2-Inch Copper Coupling with Stop (Roll or Dimple), C x C Sweat Connection, Certified Safe (CWCR0012-10P)
Main highlights- Professional grade, backed by 30-year warranty
- Made of clean, durable copper for reliable, lasting performance
- For residential and commercial plumbing and HVACR use
- Certified safe for potable drinking water, compliant to NSF/ANSI 61 Annex G
- C x C sweat connection
- Actual product may be roll or dimple stop
- 1/2 inch x 1/2 inch Nominal (5/8" OD), fits over 1/2 inch copper pipe for soldering
8.3Good
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