Best 3 8 Male Compression Fitting in 2022 [*Top Picks*]

Looking for the best 3 8 male compression fitting on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

2907 Reviews Scanned

  • Ice Maker Water Line Brass Tube Fitting, 3/8
    Bestseller #1
    Ice Maker Water Line Brass Tube Fitting, 3/8" Male x 1/4" Compression - (2 Pack) (409)
      ✅ Pack of two 3/8” male x 1/4” compression tube fittings ✅ Safe to use on copper or plastic water line tubing ✅ Hex head on one side of adapter provide excellent grip during installation ✅ High quality and deep threads allow the fittings to bite better providing perfect compression for a leak-free connection
  • Litorange 3 Pack Metal Brass Compression Tube Pipe Fitting Connector, Straight Coupling Adapter, 3/8
    Bestseller #1
    Litorange 3 Pack Metal Brass Compression Tube Pipe Fitting Connector, Straight Coupling Adapter, 3/8" Tube OD x 1/2" NPT Male (1026)
      ★ 【Material】: Heavy Duty Brass,strong and durable. Size: 3/8" Tube OD x 1/2" inch NPT Male Adapter. ★ 【Firm And Durable】: Litorange Brass for corrosion resistance, high temperature ductility and low magnetic permeability. ★ 【Function】: Fitting connects to tubing on one end and has an NPT male connector on the other. Use with copper, brass, aluminum, or plastic tubing. ★ 【Tips】: Single ferrule compression fitting has fewer possible leak paths than twin ferrule fittings. Primary uses water, gasoline, oil and vacuum lines. ★ 【Package Include】: 3 PCS 3/8" Tube OD x 1/2" NPT Male connector. Comes with 1 year warranty.
  • LASCO 17-6691 3/8-Inch Female Fine Thread Flare by 1/4-Inch Compression Brass Adapter
    Bestseller #1
    LASCO 17-6691 3/8-Inch Female Fine Thread Flare by 1/4-Inch Compression Brass Adapter (386)
      The product is 3/8x1/4 CMP Adapter Easy and simple use kit The product is manufactured in China Flare to compression adapter Brass material lasts long Not for use in potable drinking water applications Texas fine thread flare fitting 1/4-Inch compression by 3/8-Inch fine thread female flare
  • Dr. Scholl's Men's Diabetes & Circulator Socks, White, 7-12
    Bestseller #1
    Dr. Scholl's Men's Diabetes & Circulator Socks, White, 7-12 (386)
      Soft-Stretch non-binding top Free flow moisture management technology keeps feet dry Silvadur properties keep socks fresh Soft-Stretch non-binding top Fits men's shoe size 7-12
  • Brass Pipe Fittings, Water Hose Adapter, G 1/2 Female to G 3/8 Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer,(2 Pack)
    Bestseller #1
    Brass Pipe Fittings, Water Hose Adapter, G 1/2 Female to G 3/8 Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer,(2 Pack) (165)
      【STANDARD SIZE】G 1/2 female x G 3/8 male adapter is regular US size, suitable for most pipe size with 3/8" converting to 1/2" angle stop. Solve the connection problem between the old shutoff valves and the modern faucet supply line. G 3/8 Male OD: 0.54 inch(13.8mm); G 1/2 Female ID: 0.74 inch(19.1mm). 【NO LEAKAGE】Compression adapter comes with rubber seal gasket, just tighten with the gasket provided and no leaks. No Teflon tape needed. As a converter, be threaded easily onto angle stops, connect your flexible water lines. 【WIDELY APPLICATION】Our faucet supply line adapter can be used in the kitchen, bathroom sink, dishwasher, hot water heater, etc. It is a perfect adaptor for 1/2 to 3/8 faucet hose, which will save you the hassle of replacing the valve. 【STURDY AND DURABLE】Water hose adapter is made of high-quality brass material and was treated with premium nickel coating. Solid, anti-corrosion, rust-proof, and high-temperature resistance(withstand up to 100°C / 212°F) features fit faucet hot and cold supply lines. 【SAFETY】The material of pipe compression fitting adapters are harmless, complied with safety regulations, so they can be used for drinkable water pipes. Enable you to quickly connect a kitchen faucet without having to shut off the entire house water supply.
  • 6 AN Male Flare to 3/ 8 Inch Aluminum Tubing Fittings Fuel Tube Hardline Adapter Alloy 6 AN Fitting Fuel Line Fittings with Brass Insert for Oiling System (2 Pieces)
    Bestseller #1
    6 AN Male Flare to 3/ 8 Inch Aluminum Tubing Fittings Fuel Tube Hardline Adapter Alloy 6 AN Fitting Fuel Line Fittings with Brass Insert for Oiling System (2 Pieces) (5533)
      What you will receive: there are a total of 2 pieces fitting adapters, and equipped with 2 pieces brass inserts in the package, adequate quantity can meet your daily use and replacement demands, which can replace the broken one or old one, and you can share with your close friends, family members, colleagues and people who need them Sturdy material: these fuel fittings are made of quality aluminium alloy, firm and solid, will not break or deform easily, with metallic luster, can keep bright after long term use, the surface and edge are polished carefully, skillful workmanship makes them smooth to touch, do not worry they will scratch your hands or cars while using, not easy to wear and tear Size details: this fuel line adapter fitting is measured approx. 1.77 inches in length and 0.59 inch in width, appropriate in size and light in weight, convenient for you to use and store; And which is 6 AN to 3/ 8 inch, the thread size of the 6 AN is 9/ 16 UNF, and it fits to 3/ 8 inch OD hardline, please measure before purchase Wide application: the fuel line adapter can be widely applied on a variety of occasions and equipment, such as braking system, air and fuel delivery, engine modification, oiling system, cooling system, refueling system and so on, brings much convenience to these processes, to make them smoother and increase your productivity Practical accessory: these 6 AN adapters can work at a maximum pressure of 4000 PSI, and the operating temperatures range from - 65 degrees Fahrenheit to 252 degrees Fahrenheit, the black exterior looks simple and clean, and matches your engine color better, not only beautiful but also very practical
  • 1/2 to 3/8 Reducer, Vfauosit 3/8 to 1/2 RV Faucet Adapter Brass Compression Fitting Faucet Supply Line Adapter for Plumbing Water Hose 2 Pieces
    Bestseller #1
    1/2 to 3/8 Reducer, Vfauosit 3/8 to 1/2 RV Faucet Adapter Brass Compression Fitting Faucet Supply Line Adapter for Plumbing Water Hose 2 Pieces (219)
      【Premium Material】RV Faucet Adapter is made of high grade solid brass,which is more durable than iron and iron galvanized pipe fittings. It has excellent performance at corrosion and rust resistance and can be used in wet environments without damage. 【Standard Size】The 1/2 to 3/8 compression fitting come with 2 pieces, it has a 3/8” male threaded on one end and a 1/2” male threaded on the other for connecting a male to male pipes or fittings with different diameters. 【Super Durable】Our 1/2 to 3/8 reducer is 0.7’’ thicker than others, we thicken the premium solid brass to avoid cracking. So it can withstand long periods of wear and tear, has a long service life. 【Widely Used】Our faucet supply line adapter meet the same standards for commercial and residential plumbing applications. It can apply to connect various pipes, especially for RV, camper and kitchen faucet hose, widely used in your life. 【Lead Free】The plumbing adapters are committed to providing quality products, the material of high-quality brass that is lead-free. So the compression fittings is safe for potable water lines. It is no harm to your health.
  • Anderson Metals 54048-0604 Brass Tube Fitting, Half-Union, 3/8
    Bestseller #1
    Anderson Metals 54048-0604 Brass Tube Fitting, Half-Union, 3/8" Flare x 1/4" Male Pipe (386)
      Half union for connecting and disconnecting two tubes more easily than with a coupling 45-degree flare head tube connection on one side and a male NPT connection on the other Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Operating temperature range of -65 to +250 degrees F Resists mechanical pullout for a more secure connection These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories.
  • Breezliy 3/8 Inch Male Flare x 3/8 Inch Male Flare Connector Gas Adapter Union BrassTube Coupler Pipe Flare Fitting (2PCS)
    Bestseller #1
    Breezliy 3/8 Inch Male Flare x 3/8 Inch Male Flare Connector Gas Adapter Union BrassTube Coupler Pipe Flare Fitting (2PCS) (173)
      [Material]: Heavy-duty brass,strong and durable,with corrosion resistance,high temperature ductility and low permeability [Features]: Both ends of this joint have 45-degree flare connection,which has multiple functions and is convenient for installation and disassembly.It is easier to connect and disconnect the two pipes than a coupling [Package includes]: 2 PCS 3/8" Male Flare x 3/8" Male Flare + 1 PC Teflon Tape [Wide application] Suitable for natural gas and liquefied petroleum gas,refrigeration and hydraulics.And suitable for aluminum,steel pipe,copper,brass or plastic pipe [Temperature range]: -53°C to 121°C (-65 to 250 degrees Fahrenheit)
  • Neleus Men's Athletic 3 Pack Compression Tank Top Dry Fit Undershirts,White,XL,EUR 2XL
    Bestseller #1
    Neleus Men's Athletic 3 Pack Compression Tank Top Dry Fit Undershirts,White,XL,EUR 2XL (4137)
      Check the size chart of the third picture to select the appropriate size 4-way stretch construction moves better in every direction, tight fitting,like a second skin Moisture Transport System sweeps away sweat and dries quickly; Flat lock seams to prevent chafing Suitable for all sports indoors and outdoors,such like:running,basketball,cross training and etc Soft, breathable and moisture-wicking fabrics keep you dry and comfortable
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