Best Ceker Straight Tube Fittings in 2026

Size: Male -8 AN to 1/8" NPT thread, straight

Made of High Performance Lightweight 6061-T6 Billet Aluminum Material

Surface treatment: Black anodized finish for durability and strength

Size: Male -20 AN to 1-1/4" NPT thread, straight

Made of High Performance Lightweight 6061-T6 Billet Aluminum Material

Surface treatment: Black anodized finish for durability and strength

Size: Male -8 AN to 3/8" NPT thread, straight

Made of High Performance Lightweight 6061-T6 Billet Aluminum Material

Surface treatment: Black anodized finish for durability and strength

JIC -12 AN (1-1/16x12) male flare to -10 AN (7/8x14) male flare thread reducer / reducing tube fitting adapter, straight

Made of High Performance Lightweight 6061-T6 Billet Aluminum Material

Black Anodized Finish for Long Last, Strength and Durability.

★ 【Material】: Heavy Duty Brass,strong and durable. Size: 1/4" Tube OD x 1/4" 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.

Straight adapter connects pipes or fittings of different types in a straight line

Push-to-connect fitting connects to pipes or tubing on one end and has an NPTF male connector on the other

Made of acetal copolymer plastic for low moisture absorption and high tensile and flexural strength

Female -6 AN (9/16"x18) swivel to 3/8 inch barb fuel line quick disconnect tube adaptor, straight

Made of High Performance Lightweight 6061-T6 CNC Machined Billet Aircraft Aluminium Material

Black Anodized Finish for Durability and Strength

Product Name: Straight 1/2“Npt to 1/4" Tube OD Push-in Connect Fittings,1/2" Male Thread Connector Adapter.

Easy Installation: New generation Non-Locking Clip technology offers an easy Diy Installation Without Tools Required, Just Push In to Connect.

Package Included: 1/2"Npt to 1/4" Tube OD Push To Connect Fitting,5 pcs.

PRODUCT NAME:Straight Male Thread Adapter, 1/4" Male thread x 3/8" OD tube quick connector.

Material: POM(Polyoxymethylene), Polyethylene Plastic Tubing

package Quantity:5 pack

Size: JIC -12 AN Female (1-1/16x12) thread to AN12 Hose End Connection, Degree: straight

Made of High performance Lightweight 6061-T6 CNC Machined Billet Aluminum Material

Universal fit. such as: Oil/ Fuel/ Water/ Fluid with AN -12 Ends

【Package Includes】: 3/8 Inch Compression x 1/2 Inch NPT Male Reducing Adapter (2 pcs); Sealing Tape (1 pc).

【Premium Performance】: Solid brass made. Deep and clean thread for better tightening with faucets, pipes, and hoses.

【Superior Material】: The 100% heavy duty brass tube fitting is firmer than iron and iron galvanized products, more robust and durable than castings.

304 Stainless Steel

Coupler Ferrule Mini Inner Dia : 10 mm

Adapter for connecting pipes or fittings of different types.

Quick-Connect fit 3/8 fitting.

Barb side fit: 3/8 in Quick Connect Adapters nylon tube

Package Includes: Pack of 2 Fuel Line Quick Connector.

[Fuel hardline fitting] : Only compatible with hard tube.6AN to 3/8 inch,the thread size of the 6AN is 9/16UNF.It's fits to 3/8" OD hardline,please measure before perchase.

[Material]: Made of aluminium alloy fitting and brass ferrule.Good corrosion resistance. There is no pollution in disposal, which is beneficial to environmental protection.

[Wildly Application]: This 3/8 hardline to 6an fitting is widely used in Brake System / Air & Fuel Delivery/ Engine Modification / Oiling System / Cooling System.

Type: Standard 3/8" Tube OD (Compression) male to 3/8" Tube OD (Compression) male.Compression nuts and ferrules included.5pcs

Reducing adapter for different size tube pipes or fittings,Both fitting connects to tubing end.

Tube OD Compression Straight Coupling Adapter for converting Aluminum, Plastic, and Copper straight compression thread pipe Tubing.

Body Style: Male Straight / Size:3/8” Tube OD x 1/4“ NPT thread Straight Union Connector

Fluid Type:Air Vacuum (no freezing)

Working Pressure:0-1.0MPa | 0-150psi/Applicable Tube:PU / PA / PE / PVC

【Product Name】Female Thread Adapter Elbow and Straight Push to Connect Fittings Combination

【Material】 Polyethylene Plastic. 【Size】1/2"Female Thread x 1/4" Tube O.D.

【EASY INSTALLATION】 Non-Locking Clip technology offers an easy DIY installation without tools required, Just Push in to Connect.

Tube OD Compression to NPT tube adapter for converting Standard National Pipe Thread (NPT) pipe to Aluminum, Plastic, and Copper straight compression thread pipe Tubing.

Tube OD Compression to NPT tube adapter for converting Standard National Pipe Thread (NPT) pipe to Aluminum, Plastic, and Copper straight compression thread pipe Tubing.

Tube OD Compression to NPT tube adapter for converting Standard National Pipe Thread (NPT) pipe to Aluminum, Plastic, and Copper straight compression thread pipe Tubing.

Type: Standard 3/8" Tube OD (Compression) male to 1/4" inch NPT national pipe thread male.Compression nuts and ferrules included.5pcs

Reducing adapter for different size tube pipes or fittings,Fitting connects to tubing end and NPT male connects to Standard National Pipe Thread.

Tube OD Compression to NPT tube adapter for converting Standard National Pipe Thread (NPT) pipe to Aluminum, Plastic, and Copper straight compression thread pipe Tubing.

These adapter fittings are designed to adapt aluminium/steel tubing to AN type fittings; AN Straight To Tubing Adapter design provides quick assembly and easy alignment on the final application.These can be use to convert factory fitted O.E.M hardlines.

Size: AN6 Female To 5/16" Tube

Color: Black

Aluminum Alloy 8AN Straight Oil Fuel Hose End Fitting Adapter

Completely reusable, just disassemble and put onto another hose.

Lightweight aluminum alloy material. Anodized finish for durability and corrosion protection.

【Product Name】Male Adapter Elbow and Straight Push-in Connect Fittings Combination

【Material】 Polyethylene Plastic. 【Size】3/8"NPT Thread x 1/4" Tube O.D.

【EASY INSTALLATION】 Non-Locking Clip technology offers an easy DIY installation without tools required, Just Push in to Connect.

【Size】6AN female male to 1/8 NPT Swivel Hose Fitting universal fit for : oil / fuel / gas / water / fluid hose ends,suitable for a variety of interfaces, easy to install, pefect on motorcycles turbo drain.

【Material】Swivel hose fitting made of high-quality aluminum, lightweight and high corrosion resistance,coated with black penetrates aluminum, which makes the fitting end strong strength.

【Colour】Adapter made of black anodized finish for durability and strength,it can stay a long service life.

Straight Adapter Tube X Pipe

3/8" Tube X 3/8" Male Pipe

Working Pressure: 0-150 P.S.I.

At room temperature, it can withstand vacuum pressure of 0.55 MPa.

Polypropylene (PP), can withstand 126 ℃ steam sterilization for 30 min or 25-45 kGy.

[ISO Certificate] Cobetter Quality Systems is compliant with ISO 9001 : 2008. Design, manufacture and sterilization processes meet cGMP requirements.

【ALL SIZES INCLUDED】Included 10 sizes of outer diameter and Total 30pcs plastic Hose Barb Fittings, Hose Barb Fittings kit, Hose Barb Fittings assortment: 3Pcs 5/32"x5/32", 3Pcs 7/32"x7/32", 3Pcs 3/16"x3/16", 3Pcs 5/16"x5/16", 3Pcs 7/16"x7/16", 3Pcs 3/8"x3/8", 3Pcs 5/8"x5/8", 3Pcs 1/4"x1/4", 3Pcs1/2"x1/2", 3Pcs 3/4"x3/4". Almost all sizes are included to accommodate different pipe diameters.

【Material】 The 3/4"x3/4" barbed hose fittings are made of milky white PE (polyethylene) plastic, and other Hose Barb Fittings assortment are made of PP polypropylene plastic, they are durable, strong, water resistant, chemical-resistant materials to assure long life.

【Working Temperature & Pressure】 1. Translucent PP (polypropylene) temperature range: -22 °F to 284 °F. It is resistant to corrosion by acid, alkali, salt solution and various organic solvents below 176 °F, and can be decomposed under high temperature and oxidation. The melting point is 329 °F, and it softens at about 311 °F. 2. Milky white PE (polyethylene) temperature range: -76 °F to 197.6 °F. Melting point is 233.6°F.

【ALL SIZES INCLUDED】Included 8 kinds of Unequal diameter total 40pcs plastic Hose Barb Fittings, Hose Barb Fittings kit, Hose Barb Fittings assortment: 5pcs 1/2"x1/4", 5pcs 1/2"x3/8", 5pcs 1/2"x5/8", 5pcs 1/4"x3/8", 5pcs 1/4"x3/16", 5pcs 1/4"x5/32", 5pcs 3/8"x3/16", 5pcs 1/8"x1/4".Almost all sizes are included to accommodate different pipe diameters.

【Material】The barbed hose fittings are made of milky white PE (polyethylene) plastic and PP polypropylene plastic, they are durable, strong, water resistant, chemical-resistant materials to assure long life.

【Working Temperature & Pressure】 1. Translucent PP (polypropylene) temperature range: -22 °F to 284 °F. It is resistant to corrosion by acid, alkali, salt solution and various organic solvents below 176 °F, and can be decomposed under high temperature and oxidation. The melting point is 329 °F, and it softens at about 311 °F. 2. Milky white PE (polyethylene) temperature range: -76 °F to 197.6 °F. Melting point is 233.6°F.

Made of durable plastic which is no fade, crack and longer lasting service.

The plastic hose barb Can be easily connected with 1/2" and 1/4"ID tubing hose line

Smooth surface and inner wall, durable Light and Small. Exquisite craftsman makes it safe and reliable.

【ALL SIZES INCLUDED】Included 10 kinds of Unequal diameter total 66pcs plastic Hose Barb Fittings, Hose Barb Fittings kit, Hose Barb Fittings assortment: 7Pcs 1/2"x1/4", 7Pcs 1/2"x3/8", 7Pcs 1/2"x5/8",7Pcs 1/4"x3/8", 7Pcs 1/4"x3/16", 7Pcs 1/4"x5/32", 7Pcs 3/8"x3/16", 7Pcs 1/8"x1/4", 5Pcs 3/4"x5/8", 5Pcs 25/32"x1". Almost all sizes are included to accommodate different pipe diameters.

【Material】 The 3/4"x3/4" barbed hose fittings are made of milky white PE (polyethylene) plastic, and other Hose Barb Fittings assortment are made of PP polypropylene plastic, they are durable, strong, water resistant, chemical-resistant materials to assure long life.

【Working Temperature & Pressure】 1. Translucent PP (polypropylene) temperature range: -22 °F to 284 °F. It is resistant to corrosion by acid, alkali, salt solution and various organic solvents below 176 °F, and can be decomposed under high temperature and oxidation. The melting point is 329 °F, and it softens at about 311 °F. 2. Milky white PE (polyethylene) temperature range: -76 °F to 197.6 °F. Melting point is 233.6°F.

Great Material: 100% Using high quality PP material without odour or impurities, very safe and reliable for long uses, made of durable plastic that won't fade, crack last longer,good surface stiffness scratch resistance,high quality ,and always technical support.

Practical use: Enables wide application on varied places, including but limited aquarium, fish tank, laboratory, chemical processing processing, you can safely use it in any place, its function will not weaken,it can work durable for several years.

Easy to Install: Comes with a compact size light weight as well, the installation can be quickly completed.The inner wall are comfortable and durable, in small size. Exquisite craftsmen make good reliable,Hyuduo is committed to providing customers with high-quality products and thoughtful service.