The 10 best 1/4 x 3/8 inch 2022

Finding the best 1/4 x 3/8 inch suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.

Product Features Editor's score Go to site
Anderson Metals Brass Pipe Fitting, Adapter, 1/4 Anderson Metals Brass Pipe Fitting, Adapter, 1/4" Male Pipe x 3/8" Female Pipe
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Anderson Metals 57001 Brass Hose Fitting, Adapter, 3/8 Anderson Metals 57001 Brass Hose Fitting, Adapter, 3/8" Barb x 1/4" NPT Male Pipe
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Robert Manufacturing R209 Series Bob Brass Adapter, 3/8 Robert Manufacturing R209 Series Bob Brass Adapter, 3/8" NPT Male x 1/4" NPT Female
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Stainless 6-32 x 3/8 Stainless 6-32 x 3/8" (1/4 to 3" Lengths Available) Pan Head Machine Screws, Full Thread, Phillips Drive, Stainless Steel 18-8, Machine Thread (100 pcs, 6-32 x 3/8)
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Nigo Brass Pipe Fitting, Hex Bushing (5 Pack, 3/8 Nigo Brass Pipe Fitting, Hex Bushing (5 Pack, 3/8" NPT Male x 1/4" NPT Female)
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Muscccm Camera Screw, 22 Pcs Tripod Screw Adapter Converter Ring Screw Pack(1/4 male to 1/4 male, 1/4 male to 3/8 male,1/4 female to 3/8 male,1/4 female to 3/8 female,2 pcs1/4 D-ring Screw) Muscccm Camera Screw, 22 Pcs Tripod Screw Adapter Converter Ring Screw Pack(1/4 male to 1/4 male, 1/4 male to 3/8 male,1/4 female to 3/8 male,1/4 female to 3/8 female,2 pcs1/4 D-ring Screw)
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Anderson Metals Brass Hose Fitting, Connector, 3/8 Anderson Metals Brass Hose Fitting, Connector, 3/8" Barb x 1/4" Female Pipe
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hilmor 1839043 Off Set Service Wrench,  1/4 hilmor 1839043 Off Set Service Wrench, 1/4" x 3/16" Square, 3/8" x 5/16" Square
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ATP Vinyl-Flex PVC Food Grade Plastic Tubing, Clear, 1/4 ATP Vinyl-Flex PVC Food Grade Plastic Tubing, Clear, 1/4" ID x 3/8" OD, 100 feet Length
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Olsa Tools 3 Pcs Kit Aluminum Sockets Organizer 1/4-Inch Drive x 20 Clips, 3/8-Inch Drive x 18 Clips, 1/2-Inch Drive x 16 Clips | Premium Quality Tool Holder (Blue) Olsa Tools 3 Pcs Kit Aluminum Sockets Organizer 1/4-Inch Drive x 20 Clips, 3/8-Inch Drive x 18 Clips, 1/2-Inch Drive x 16 Clips | Premium Quality Tool Holder (Blue)
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Reviews

1. Anderson Metals Brass Pipe Fitting, Adapter, 1/4" Male Pipe x 3/8" Female Pipe

Feature

Adapter for connecting pipes or fittings of different types
Male National Pipe Taper (NPT) threads on one end and female NPT threads on the other for connecting pipes with different ends
Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
Operating temperatures range from -53 to 121 degrees C (-65 to 250 degrees F)
Meets specifications ASTM B584 and ASME/ANSI B16 for quality assurance
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.

Description

The Anderson Metals adapter pipe fitting is made of brass and has a male National Pipe Taper (NPT) threaded connection and a female NPT threaded connection. This adapter fitting connects pipes or fittings with different end types, diameters, or materials. It has male NPT threads on one end and female NPT threads on the other for connecting to a female and a male threaded pipe or fitting. The NPT threads create a tighter seal than straight threads. This fitting is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, and welded steel. The operating temperatures for this fitting range from -53 to 121 degrees C (-65 to 250 degrees F). This fitting meets American Society for Testing and Materials (ASTM) B584 and American Society of Mechanical Engineers (ASME)/American National Standards Institute (ANSI) B16 specifications for quality assurance.

Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size, and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness).

Anderson Metals manufactures brass fittings, valves, and pipe nipples. The company, founded in 1951, is headquartered in Kansas City, MO.

2. Anderson Metals 57001 Brass Hose Fitting, Adapter, 3/8" Barb x 1/4" NPT Male Pipe

Feature

Adapter for connecting a hose to a male threaded connection of a different diameter
Hose barb on one end and male NPT threads on the other
Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
Barbed fitting for a tight seal on hoses and NPT threads for a tighter seal than straight threads
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.

Description

Hose fittings connect, control, change the direction of, and terminate the flow in piping and hose systems. They are made of brass, stainless steel, galvanized steel, and other materials that resist corrosion, pressure, and wear. Hose fittings have various types of connections, including threaded, barbed, push-to-connect, dry disconnect, and others including those based on internationally-accepted specifications. Hose fittings are used in systems such as air compressors, automatic manufacturing operations, aircraft controls, and tire installation in industries including agriculture, mining, road construction, firefighting, and aviation.

Anderson Metals manufactures brass fittings, valves, and pipe nipples. The company, founded in 1951, is headquartered in Kansas City, MO.

3. Robert Manufacturing R209 Series Bob Brass Adapter, 3/8" NPT Male x 1/4" NPT Female

Feature

Brass adaptor
Adapt male pipe thread stems to floats having female pipe threads
Not compliant with CA Prop 65 or Safe Water Drinking Act

Description

Brass adaptor. Adapt male pipe thread stems to floats having female pipe threads. 3/8" NPT male x 1/4" NPT female fittings.

4. Stainless 6-32 x 3/8" (1/4 to 3" Lengths Available) Pan Head Machine Screws, Full Thread, Phillips Drive, Stainless Steel 18-8, Machine Thread (100 pcs, 6-32 x 3/8)

Feature

18-8 Stainless Steel
Pan Head Phillips (#2 screw tip size)
6-32 x 3/8 Inch Thread Size
100 Pieces

Description

All pictures represent actual product. Pan head machine screws have a slightly rounded head with vertical sides. Length of the screw is measured under the head (part of screw that penetrates fastened material). Fully threaded shanks.

5. Nigo Brass Pipe Fitting, Hex Bushing (5 Pack, 3/8" NPT Male x 1/4" NPT Female)

Feature

Max. Pressure: 1000 PSI WOG
Use with brass, steel, and iron pipe
Constructed from extruded bar stock
Temperatures range from -65 to 250 F
Has a 3/8" male NPT threaded on one end and a 1/4" female NPT threaded on the other for connecting a female and a male pipe or fitting with different diameters

Description

Products Features

* Item Number: H10-3020

* Constructed from extruded bar stock

* All Nigo's products conform to specifications ASTM (American Society for Testing and Materials) B124 and B16

* NPT threads on all Nigo's products meet ASME B1.20.1

* Designed for use inair, water, oil, nature, manufactured, mixed, liquefied petroleum or propane and LP Gas-Air

* Use with brass, steel, and iron pipe; Teflon tape and thread sealant are recommended for threaded joints

* Has a 3/8 male NPT threaded on one end and a 1/4 female NPT threaded on the other for connecting a female and a male pipe or fitting with different diameters

* Temperatures range from -65 to 250F

* Max. Pressure: 1000 PSI WOG

About Us

Nigo Industrial Co,. Ltd manufactures a wide variety of valves and pipe fittings. The company meets international organization for standardization ISO 9001:2015 Quality Management System standard.

6. Muscccm Camera Screw, 22 Pcs Tripod Screw Adapter Converter Ring Screw Pack(1/4 male to 1/4 male, 1/4 male to 3/8 male,1/4 female to 3/8 male,1/4 female to 3/8 female,2 pcs1/4 D-ring Screw)

Feature

Precision Design - 1/4" male to 1/4" male camera screw adapter, 1/4" male to 3/8" male screw adapter, 1/4" female to 3/8" male threaded screw, 1/4" female to 3/8" female adapter, 1/4" D-Ring Screws.
Multi Function - Muscccm tripod screw adapter kit can be attached to a wide range of different photography, the converter screws meet the most of your camera devices and other accessories!
Economical and Practical - All the tripod screw adapter can be freely assemble to meet the requirements of the various types of adapters required. No need buy other camera adapter with these adapter set.
Durable Material - The 1/4" female to 3/8" female inch camera mounting screw adapter made of aluminium alloy, others adapters are made of stainless steel, solid and durable, color is silvery.
What You Get - 5X 3/8" male to 1/4" male;5X 1/4" female to 3/8" female adapter;5X to 1/4" male to 1/4" male; 5X 1/4" female to 3/8" male threaded screw; 2X 1/4" D Shaft D-ring Screw

Description

This is international standard precision made 1/4"to 3/8" Threaded Screw Adapter.

Material: Aluminium alloy And Stainless Steel (metal)

22 Pcs Camera Screws Pack:
5 Pieces 1/ 4 inch to 3/ 8 inch male threaded screw adapter
5 Pieces 1/ 4 inch to 1/ 4 inch male threaded screw adapter
5 Pieces 1/4" female to 3/8" female screw adapter
5 pieces 1/4 inch female to 3/8 inch male screw adapter
2 pcs D-Ring Screws

7. Anderson Metals Brass Hose Fitting, Connector, 3/8" Barb x 1/4" Female Pipe

Feature

Adapter for connecting pipes or fittings of different types
Fitting connects to hose on one end and has an NPT female connector on the other
Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
Barbed fitting creates a tight seal on flexible and semi-rigid hose when used with a hose clamp or crimp sleeve or ferrule (sold separately)
For use with plastic or rubber hose
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.

Description

HOSE BARB - UPC Flag tagged, barb X female pipe. 1 piece, except swivels (nut & stem). Use with plastic tubing or rubber hose. +32 to 250 degree F temperature range. Intended for use with hose clamp or crimp type ferrule. Barbed edges provide positive connection. Excellent vibration resistance. Barb size is hose I.D.

8. hilmor 1839043 Off Set Service Wrench, 1/4" x 3/16" Square, 3/8" x 5/16" Square

Feature

Easy-to-read tip marking on the handle makes identification quick and easy
Designed to last with a heat-treated, chrome-plated shaft
1/4 X 3/16 SQ 3/8 X 5/16 SQ service wrench

Description

Smart features that save your knuckles and your time. Our Straight Service Wrench makes changing sizes quick and easy. Our Offset Service Wrench makes maneuvering around cramped spaces second nature. The reversible Ratchet Wrench has square openings of 1/4" and 3/16" on one end and 3/8" and 5/16" on the other end. And, when it comes to accessing liquid- and suction-based valves, reach for our Hex Key Adapter. It works on 3/16" and 5/16" hex valves.

9. ATP Vinyl-Flex PVC Food Grade Plastic Tubing, Clear, 1/4" ID x 3/8" OD, 100 feet Length

Feature

Vinyl-flex PVC NSF 61 is suitable for general, low-pressure, industrial applications for the conveyance of liquids and semi solids
Made from a PVC compound that complies with FDA regulations
Tubing provides good chemical resistance
It is lightweight, flexible and economically priced
NSF 61 compliant for use in potable water and food and beverage applications

Description

ATP Vinyl-Flex PVC NSF 61 tubing is suitable for general low-pressure industrial applications for the conveyance of liquids and semi solids. It also complies with FDA regulations and is NSF 61 compliant for use in potable water and food and beverage applications. Although it is not primarily intended for use in higher pressure applications it does provide good chemical resistance is lightweight flexible phthalate free and economically priced. 55 psi working pressure at 70 degrees F. Meets FDA requirements. USP class VI rated materials. NSF 61 certified. RoHS compliant, reach, prop 65, ASTMF930-03, EN-71, PAHS. Applications: beverage dispensing, drain, potable water, laboratory, low pressure air, distilled water transfer and light vacuum.

10. Olsa Tools 3 Pcs Kit Aluminum Sockets Organizer 1/4-Inch Drive x 20 Clips, 3/8-Inch Drive x 18 Clips, 1/2-Inch Drive x 16 Clips | Premium Quality Tool Holder (Blue)

Feature

MULTI Drive : 1/4 Inch, 3/8-Inch and 1/2-Inch Drive Socket Organizer Rails
HOLDS up to 54 Sockets
HEAVY DUTY durable socket holder made of quality material
QUICK and EASY way to ORGANIZE your tool box or mount to wall or workbench
SPRING loaded ball bearings on each clip hold socket FIRM and SECURE

Description

Where is "the" socket you need when you try to find it?

Are all your sockets in one spot but unorganized therefore wasting your valuable time searching for the right one? Maybe you've just lost them? Whatever your situation, you do not have to be unprepared. The Olsa Tools 3 Pcs Kit Aluminum Socket Rail System holds up to 54 sockets so that you never lose your sockets again! It also allows for a quick find of "the" socket you need when you need it!

Holds your sockets and makes it easy to put on and remove

The spring loaded ball bearing clips hold the sockets tightly in place and will keep them on holder even in upside down applications. Can be used with shallow and deep sockets. Keyhole slot makes it easy to install the socket rail to the wall or workbench.

This kit includes

-(1) BLUE 1/4 in. Drive Socket Holder
-(1) BLUE 3/8 in. Drive Socket Holder
-(1) BLUE 1/2 in. Drive Socket Holder

*SOCKETS NOT INCLUDED

You can now buy Extra Clips in packages of 10! Check out ASINs: B01M8KJOFY, B01M2ZGUXV, B01M5DKVDM

Stop losing your sockets and have them organized so you quickly find the one you need! The Olsa Tools 3 Pcs Kit Socket Rail System will hold all your sockets in place

Click the "Add to Cart" button now to get your BLUE Olsa Tools 3 Pcs Kit Aluminum Socket Organizer

Conclusion

All above are our suggestions for 1/4 x 3/8 inch. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using 1/4 x 3/8 inch with us by comment in this post. Thank you!