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The Best 4Mm Brass Ferrule of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 4Mm Brass Ferrule of 2022. Check our ranking below.

2,326 Reviews Scanned

Rank No. #1
E-outstanding Compression Ferrule Sleeve 50PCS 4mm Brass Double Taper Ferrule Pipe Tube Fittings
  • Made of brass, corrosion-resistant and durable.
  • High-quality connectors are manufactured according to the highest standards.
  • The operating temperature range is -65 to +250 degrees Fahrenheit.
  • Brass compression sleeve, used to compress pipe joints.
  • Package includes: 50 compression ferrules.
Rank No. #2
Glarks 220Pcs Brass Compression Sleeves Ferrules, Tube OD 4mm 6mm 8mm 10mm 12mm 13mm 14mm 16mm Brass Compression Fitting Assortment Kit
  • ♛【What You Get】: This kit include 220pcs 8 size ferrules which are suitable for 4mm, 6mm, 8mm, 10mm, 12mm 13mm 14mm 16mm outer diameter of the pipe. Wide range and enough quantity can meet your various needs.
  • ♛【High Quality Material】: All our ferrules are made of high quality brass, anti-corrosion and anti-rust, they can work for a long time even in humid environment. At the same time, it also has enough strength to withstand the pressure of the pipeline.
  • ♛【Product Feature】: These ferrule sleeves are light, portable and durable in use. After the installation is complete, it is tightly closed, which can offer a good sealing effect.
  • ♛【Excellent Craftsmanship】: We pay attention to every detail our goods. These fittings have perfect radians and are not easy to slip during installation; surface is smooth and free of burrs, which will not harm your pipeline.
  • ♛【Wide Application】: These sleeves are part of tube compression fitting, can be used with copper, brass, aluminum, 304 stainless steel tube, plastic tubing and other hard pipe or hose. They are easy to install and no tool required.
Rank No. #3
PATIKIL 4mm Tube Brass Compression Sleeve Ferrules, 10 Pack Brass Compression Fittings
  • Material: Brass; Color: Gold Tone; Fit Tube OD: 4mm / 0.16"; Ferrule Size: 6mm x 5mm / 0.24" x 0.2"(OD*H); Package List: 10 x Sleeve Ferrule
  • Advantage: Made of brass material, which is corrosion resistant, high pressure resistant, durable and has a long service life.
  • Instruction: This sleeve ferrule can be connected to copper, brass, aluminum, or plastic tubing. Easy to connect and install.
  • Application: The sleeve ferrule is commonly used to connect lines for air, water, oil in a quick and simple way.
  • NOTE: Please confirm the size before purchasing it!
Rank No. #4
Beduan Brass Compression Fitting, 4mm OD 2.9mm ID Compression Sleeve Ferrules and Insert Tube Support Crimp Ferrule Stiffener Combo 20 Pcs
  • Solid and durable brass construction. Lead Free.
  • Package include: 10 pcs ferrule sleeve + 10 pcs insert tube support.
  • Size: 4mm Tube OD x 2.9mm Tube ID
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • It can keeps plastic tube from collapsing when tightened. And prevent leakage.
Rank No. #5
PATIKIL 2.5mm ID 4mm OD Tube Brass Compression Assortment Kit 1 Set, Sleeve Ferrule & Insert & Nut
  • Material: Brass; Color: Gold Tone; Fit Tube ID: 2mm / 0.08"; Fit Tube ID: 2.5mm / 0.1"; Fit Tube OD: 4mm / 0.16"; Thread Size: M8*1.0; Package List: 1 x Sleeve Ferrule, 1 x Insert, 1 x Nut
  • Advantage: Made of brass material, which is corrosion resistant, high pressure resistant, durable and has a long service life.
  • Instruction: This brass compression kit can be connected to copper, brass, aluminum, or plastic tubing. No flaring tool is required for assembly.
  • Application: The brass compression is commonly used to connect lines for air, water, oil in a quick and simple way.
  • NOTE: Please confirm the size before purchasing it!
Rank No. #6
Joywayus 50pcs Brass Compression Fitting Sleeves Ferrule Ring for 4mm Tube
  • No flaring tool required for assembly.
  • Sleeve for a tube compression fitting.
  • This Joywayus compression fitting is made of brass.
  • Connects to 4mm copper,brass,aluminum,or plastic tubing.
  • Brass for corrosion resistance,ductility at high temperatures,and low magnetic permeability.
Rank No. #7
Hilitchi 8Sizes Tube OD 4mm-16mm Brass Compression Sleeves Ferrules Compression Fitting Kit (Metric, 220Pcs)
  • ✅ [QUALITY MATERIAL] Made of brass, these compression sleeves ferules are lightweight material but good toughness, high strength, features corrosion resistance and wear resistancee, strong pressure resistance, they are also very easy to assemble. Good sealing performance, no leaks.
  • ✅ [FERRULE DESIGN] It is very practical for the tubing fitting. Like cylindrical shaped, bulging in the middle but two edges’s diameter are smaller than the belly part so that it could ensure the reliability of a compression seal.
  • ✅ [HOW IT WORKS] Insert the tubing into the end of the fitting and then tighten it with the nut or screw and then forcing the ferrule into the fitting body. The ferrule design is very practical for the tubing. Like cylindrical shaped, it is bulging in the middle but two edges’s diameter are smaller than the belly part so that it could ensure the reliability of a compression seal.
  • ✅ [APPLICATION] Since these brass compression fittings are good to create the most reliable seal, they can be see anywhere in systems from gas lines in refineries, to the plumbing under your sink, water heater in your home or a pipe transporting thing or your plumbing devices. They are used for fixed locking of copper pipe and hard pipe, PU tube, nylon tube or hard plastic tubing.
  • ✅[QUALITY AFTER-SALE SERVICE] If you do not satisfy with our products or if you have any questions, please come to us for help. We would work out a satisfactory solution to your problem. 12 hours response service!
Rank No. #8
Joywayus Compression Sleeve Ferrules 4mm Tube OD 2.9mm Tube ID Brass Compression Fitting and Insert Tube Ferrule Kit(Pack of 60)
  • Size: 4mm Tube OD x 2.9mm Tube ID
  • Package include:30pcs sleeve ferrules+30pcs inserts.
  • Durable and high standard brass compression fitting.
  • Brass for corrosion resistance,ductility at high temperatures,and low magnetic permeability.
  • Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.
Rank No. #9
Beduan Brass Compression Fitting, 6mm Tube OD*4mm Tube ID Compression Sleeve Ferrules and Insert Tube Support Crimp Ferrule Stiffener Combo 20 Pcs
  • Solid and durable brass construction. Lead Free.
  • Package include: 10 pcs ferrule sleeve and 10 pcs insert tube support.
  • Size: 6mm Tube OD x 4mm Tube ID
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • It can keeps plastic tube from collapsing when tightened. And prevent leakage.
Rank No. #10
PATIKIL 4mm Tube OD Brass Compression Sleeves Ferrules, 100 Pack Brass Ferrule Fitting Brass Compression Fitting Assortment Kit for Air Water Gas Pipe
  • Color: Brass Tone; Material: Brass; Hole Inner Dia: 4mm / 0.16 inch; Suitable for connecting 4mm(OD) copper pipe.; Total Size: 5.5 x 4.2mm / 0.22 x 0.17 inch (D*H); Packing List: 100 Pack x Brass Ferrule Fittings
  • Advantages: The brass ferrule fittings are made of brass, good corrosion resistance. it is durable and reusable. These ferrules have a smooth surface and provide a good seal, providing a secure connection for pipe connections.
  • Instruction: Insert the copper pipe with the appropriate diameter into the sleeve, then fix it to pipe connectors with nuts.
  • Application: This brass compression sleeves ferrule is widely used in pipe connection for hydraulic and pneumatic systems, HVAC, humidifiers, etc., and it is suitable for connecting copper, brass, aluminum, or plastic tubing.
  • Note: Need to confirm your pipe size before ordering.

Last update on 2023-06-10 / Affiliate links / Images from Amazon Product Advertising API

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  5. Customer Ratings: Number ratings grade 4Mm Brass Ferrule objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4Mm Brass Ferrule.
  7. Product Quality: You don’t always get what you pay for with an 4Mm Brass Ferrule, sometimes less, and sometimes more.
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FAQ:

Q: How do you use a ferrule on tubing?

A: A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal. Use these sleeves with compression nuts and fittings, sometimes called bite fittings, to create a strong seal on steel tubing. They are also known as ferrules.

Q: What is the inside diameter of a ferrule?

A: Length (Decimal Inch) 1.000 Inside Diameter .690 Inside Diameter (Inch) .690 Inside Diameter (Decimal Inch) 0.6900 Type Ferrule Material Brass Length (Decimal Inch) 1.000 Inside Diameter .625 Inside Diameter (Inch) .625 Inside Diameter (Decimal Inch) 0.6250 Type Ferrule Material Brass

Q: What is the difference between brass fittings and tube fittings?

A: Made of nickel-plated brass, these tube fittings resist corrosion better than plain brass fittings. The male threaded ends connect to NPT, NPTF, BSPP, BSPT, and other universal threads, so you don’t have to bother matching exact thread types. Made of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings.

Q: What is the difference between 316 and unplated brass?

A: Made of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings. Often used in outdoor, damp, and washdown environments, these 316 stainless steel fittings will not corrode from water, salt, or chemicals.

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