Best Pipe Fitting Nipples of 2026

Tom Law Avatar
Tom Law
Last Updated: 2 Feb 2026

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Pipe fitting nipples are an essential component in plumbing systems that require the connection of two pipes or fittings. These small but important pieces are used to extend, connect or adapt the flow of liquids or gases in a piping system. Available in a variety of materials such as stainless steel, brass, and plastic, pipe fitting nipples come in different lengths and diameters to suit specific applications. They are commonly used in residential and commercial plumbing systems, as well as in industrial settings for a wide range of applications.

At a Glance: Our Top Picks

(4 Pcs) 1/2" Male to 1/2" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G1/2 x G1/2 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings Cover #TOP 1
(4 Pcs) 1/2" Male to 1/2" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G1/2 x G1/2 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings
ftb score rating icon 9.9
Josaton 3 Pcs Hex Nipple Fitting 1/2" Male to 1/2" Male Thread Stainless Steel 304 Hex Nipple Pipe Fittings for Pipe Connecting Conversion Cover #TOP 2
Josaton 3 Pcs Hex Nipple Fitting 1/2" Male to 1/2" Male Thread Stainless Steel 304 Hex Nipple Pipe Fittings for Pipe Connecting Conversion
ftb score rating icon 9.8
2 Pcs 1/2" Male BSP Thread Brass Pipe Connector,Hex Nipple Pipe Fittings,Brass Straight Hex Nipple Pipe Fitting,Straight Pipe Hex Fitting for Pipe Connecting Conversion Cover #TOP 3
2 Pcs 1/2" Male BSP Thread Brass Pipe Connector,Hex Nipple Pipe Fittings,Brass Straight Hex Nipple Pipe Fitting,Straight Pipe Hex Fitting for Pipe Connecting Conversion
ftb score rating icon 9.6

Top 10 Pipe Fitting Nipples

#TOP 1

(4 Pcs) 1/2" Male to 1/2" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G1/2 x G1/2 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings

runxsam
ECRS-39
Brass
(4 Pcs) 1/2" Male to 1/2" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G1/2 x G1/2 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings Cover
(4 Pcs) 1/2" Male to 1/2" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G1/2 x G1/2 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings

Features
LEAK-MINIMIZING THREADS: Designed With Well-Cut Male Threads On Both Ends, They Provide A Tight, Aligned Connection. Just A Few Twists Give You A Secure Joint That Stays Tight, Helping To Reduce Unwanted Drips In High Or Low Pressure Setups.
PREMIUM MATERIALS: 1/2 Inch Male To Male Hose Connectors Are Made From Forged Brass With A Clean Finish And Strong Threads. The Material Resists Wear From Regular Use And Remains Dimensionally Stable, Making It Ideal For Long-Term Plumbing Or Fitting Setups
VERSATILE USE: Suitable For Central Heating Systems, Bathrooms, Irrigation Installations Or Compressed Air Tools. These Brass Nipples Are Perfect For Professional Tradesmen, Home Repairs And Hands-On DIY Plumbing Tasks.
SET INCLUDES: Comes With 4 Hose Male To Male Connectors, 1/2" Male To 1/2" Male. Approximate Inner Diameter: 15 Mm/0.59 Inch; Outer Thread Diameter: 19 Mm/0.75 Inch. Please Check The Dimensions Before Purchasing To Ensure They Fit Your System Requirements.
QUICK INSTALLATION: These Brass Male To Male Plumbing Fittings Are Simple To Install And Suitable For Horizontal, Vertical Or Angled Placement. A Practical Solution For Replacing Worn Fittings Or Adding Extensions In Your Plumbing Jobs.
#TOP 2

Josaton 3 Pcs Hex Nipple Fitting 1/2" Male to 1/2" Male Thread Stainless Steel 304 Hex Nipple Pipe Fittings for Pipe Connecting Conversion

Josaton
GJX-THI-26
Silver
Josaton 3 Pcs Hex Nipple Fitting 1/2" Male to 1/2" Male Thread Stainless Steel 304 Hex Nipple Pipe Fittings for Pipe Connecting Conversion Cover
Josaton 3 Pcs Hex Nipple Fitting 1/2" Male to 1/2" Male Thread Stainless Steel 304 Hex Nipple Pipe Fittings for Pipe Connecting Conversion

Features
[Specification] You Will Receive Josaton 1/2" Male To 1/2" Male Threaded Hex Nipple Fitting. Please Confirm The Product Size When Purchasing.
[Professional Set] Josaton Professional Kit Includes 3pcs 1/2" Male To 1/2" Male Stainless Steel 304 Hex Nipple Fitting With 30mm,50mm, 70mm Cold Heading, 6 Silicone Gaskets, A Strips Of Sealing Tape, And Comes With A Plastic Storage Case.
[Wide Application] Hex Nipple Fitting Is Suitable For The Size And Size Conversion Of The Pipe Connection Between Gas And Liquid And Changes The Size To Meet The Connection Between Different Connections. Hex Nipple Connector Are Often Used In Pipe Connections, Bathrooms, Heating, Air Conditioning, Etc.
[Premium Material] Josaton Hex Nipple Fitting Is Made Of High-Quality 304 Stainless Steel, Through The Precision Forging Process, The Surface Is Smooth And Glossy.Hex Nipple Connector Is High Hardness, Anti-Rust, Corrosion-Resistant, And Hex Nipple Pipe Fittings Are Not Easy To Deform, More Durable.
[Easy To Install] Hex Nipple Fitting Are Easy To Install And Remove, The Double Nipples Can Be Installed In Any Position In Horizontal, Vertical And Diagonal Pipes, It Is An Ideal Replacement Accessory.
#TOP 3

2 Pcs 1/2" Male BSP Thread Brass Pipe Connector,Hex Nipple Pipe Fittings,Brass Straight Hex Nipple Pipe Fitting,Straight Pipe Hex Fitting for Pipe Connecting Conversion

Ezranova
CVN-XP
Gold
1/2 inch
2 Pcs 1/2" Male BSP Thread Brass Pipe Connector,Hex Nipple Pipe Fittings,Brass Straight Hex Nipple Pipe Fitting,Straight Pipe Hex Fitting for Pipe Connecting Conversion Cover
2 Pcs 1/2" Male BSP Thread Brass Pipe Connector,Hex Nipple Pipe Fittings,Brass Straight Hex Nipple Pipe Fitting,Straight Pipe Hex Fitting for Pipe Connecting Conversion

Features
[Durable Brass Construction] Made From Solid Brass With A Smooth, Polished Finish. Offers Excellent Corrosion And Rust Resistance, High Hardness, And Superior Durability Compared To Plastic Or Standard Steel Fittings.
[1/2 Inch Standard Size] Includes 2 Pcs Of 1/2" Male To 1/2" Male Hex Nipple Connectors. Outer Thread Diameter Approx. 19mm, Inner Approx. 15mm. Please Confirm Dimensions Before Purchasing To Ensure Compatibility.
[Wide Application] Perfect For Household Plumbing, Bathrooms, Irrigation Systems, Heating And Cooling Systems, And DIY Repair Projects. A Reliable Choice For Both Home And Professional Use.
[Versatile Compatibility] Ideal For Connecting Or Adapting Pipelines For Gas, Water, Or Oil. Suitable For Use In Plumbing Systems, HVAC, Or Other Applications Requiring Male-To-Male Threaded Connections.
[Quick & Easy Installation] Can Be Installed Vertically, Horizontally, Or Diagonally—no Tools Required For Basic Setup. For A Leak-Proof Seal, Use With Teflon Tape Or Thread Sealant As Needed.
#TOP 4

1/2 Inch Malleable Cast Iron Pipe Fittings, 10 Pack

Black
14 Inch Length
1/2 Inch Malleable Cast Iron Pipe Fittings, 10 Pack Cover
1/2 Inch Mallealbe Cast Iron Pipe, Pre Cut, Industrial Steel Black Fits Standard One Half Inch Black Threaded Pipes Nipples and Fittings, Build Vintage DIY Furniture, 10 Pack (14 Inch Length)

The Lhfacc Pipe Fittings are made from high-quality malleable iron, featuring a sleek black coating for an industrial look. Each pipe measures 14 inches in length with a 1/2 inch thread, making them versatile for various DIY projects. You will appreciate the convenience of the threaded ends, which easily connect to other fittings or caps. With their smooth surface and rust resistance, these fittings not only look great but also ensure durability in your furniture and shelf installations.

What We Like
High-quality malleable iron
Easy to connect fittings
Rust-resistant coating
Versatile for DIY projects
Stylish industrial design
#TOP 5

3/4 to 1/2 Brass Hex Nipple Connector, 2Pcs External Thread Brass Hex Double Nipple Reducing Connector 3/4" Male to 1/2" Male BSP Nipples Fitting Water Pipe Reducer for Pipe Connecting Conversion

Fogbush
FOG-BFWY
Gold
3/4 Zoll
3/4 to 1/2 Brass Hex Nipple Connector, 2Pcs External Thread Brass Hex Double Nipple Reducing Connector 3/4" Male to 1/2" Male BSP Nipples Fitting Water Pipe Reducer for Pipe Connecting Conversion Cover
3/4 to 1/2 Brass Hex Nipple Connector, 2Pcs External Thread Brass Hex Double Nipple Reducing Connector 3/4" Male to 1/2" Male BSP Nipples Fitting Water Pipe Reducer for Pipe Connecting Conversion

Features
Operating Limits: Our 3/4" Male To 1/2" Male Nipple Fitting Water Pipe Reducer Are Designed For A Wide Temperature Range From -10 °C To 120 °C. They Can Therefore Be Used In Both Cold And Hot Water Pipes Without Material Fatigue Or Leaks.
3/4 To 1/2 Brass Hex Nipple Connector: The Reduction From 3/4 Inch To 1 Inch Allows Flexible Adaptation To Different Pipe Sizes. This Versatility Makes The Bushings A Practical Solution For Plumbing Installations, Garden Irrigation Systems Or Industrial Applications.
Material: 3/4" Male To 1/2" Male BSP Nipple Fitting Water Pipe Reducer Is Made From High-Quality Brass Material, Solid And Stable, Corrosion-Resistant And Rust-Free. This Makes Them Ideal For Use In Damp Environments Such As Bathrooms Or Outdoor Areas, Where They Will Continue To Function Reliably Even After Years Of Use.
Good Sealing Performance: The High Precision And Low Tolerance Of The Dimensions Of 3/4 To 1/2 Adapter Guarantee An Absolutely Tight Connection. This Minimises The Risk Of Leaks And Ensures Long-Term Safe And Efficient Functionality In All.
Easy To Install: The Smooth Surface And Careful Workmanship Ensure Easy Handling And Installation. Even In Confined Spaces, The 3/4 To 1/2 Brass Hex Nipple Connector Can Be Installed Effortlessly Without The Need For Special Tools Or Expertise.
#TOP 6

(4 Pcs) 3/4" Male to 3/4" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G3/4 x G3/4 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings

runxsam
ECRS-40
Brass
(4 Pcs) 3/4" Male to 3/4" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G3/4 x G3/4 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings Cover
(4 Pcs) 3/4" Male to 3/4" Male BSP Thread Brass Pipe Fittings Hex Nipple Hose Connectors, G3/4 x G3/4 Thread Straight Double Nipple for Pipe Connecting Conversion Plumbing Fittings

Features
LEAK-MINIMIZING THREADS: Designed With Well-Cut Male Threads On Both Ends, They Provide A Tight, Aligned Connection. Just A Few Twists Give You A Secure Joint That Stays Tight, Helping To Reduce Unwanted Drips In High Or Low Pressure Setups.
PREMIUM MATERIALS: 3/4 Inch Male To Male Hose Connectors Are Made From Forged Brass With A Clean Finish And Strong Threads. The Material Resists Wear From Regular Use And Remains Dimensionally Stable, Making It Ideal For Long-Term Plumbing Or Fitting Setups
VERSATILE USE: Suitable For Central Heating Systems, Bathrooms, Irrigation Installations Or Compressed Air Tools. These Brass Nipples Are Perfect For Professional Tradesmen, Home Repairs And Hands-On DIY Plumbing Tasks.
SET INCLUDES: Comes With 4 Hose Male To Male Connectors, 3/4" Male To 3/4" Male. Approx. Internal Diameter: 20 Mm / 0.79 In; Outer Thread Diameter: 25 Mm / 0.98 In. Please Check The Dimensions Before Purchasing To Ensure They Fit Your System Requirements.
QUICK INSTALLATION: These Brass Male To Male Plumbing Fittings Are Simple To Install And Suitable For Horizontal, Vertical Or Angled Placement. A Practical Solution For Replacing Worn Fittings Or Adding Extensions In Your Plumbing Jobs.
#TOP 7

QZKJQDD 2 Pcs 3/4" Male to 1/2" Male BSP Thread Stainless Steel Hex Bushing Reducing Connector, 3/4” to 1/2” Adapter, for Water, Gas, Pipe Connecting Conversion with Sealing Rings with Tape

QZKJQDD
QZ-Hex Nipple Fitting-01
1/2" (20mm)
QZKJQDD 2 Pcs 3/4" Male to 1/2" Male BSP Thread Stainless Steel Hex Bushing Reducing Connector, 3/4” to 1/2” Adapter, for Water, Gas, Pipe Connecting Conversion with Sealing Rings with Tape Cover
QZKJQDD 2 Pcs 3/4" Male to 1/2" Male BSP Thread Stainless Steel Hex Bushing Reducing Connector, 3/4” to 1/2” Adapter, for Water, Gas, Pipe Connecting Conversion with Sealing Rings with Tape

Features
[Durable Stainless Steel Construction] Made From Premium 304 Stainless Steel, These 3/4 To 1/2 Socket Adapter Fittings Are Rust‑resistant, Corrosion‑proof, And Able To Withstand High And Low Temperatures. Compared To Brass Or Plastic Connectors, Our Fittings Offer Superior Strength And A Longer Service Life
[3/4 To 1/2 Adapter Set] You Will Receive 2 Pcs 3/4 To 1/2 Adapter Fittings (3/4" Male BSP To 1/2" Male BSP) Along With A 1-Meter Waterproof Tape. External Thread Diameter Approx. 20mm (1/2"), External Thread Diameter Approx. 25 Mm (3/4"). Please Confirm The Correct Size Before Purchasing
[Wide Application] Ideal For Connecting Shower Hoses, Taps, Garden Hoses, Water Tanks, And Other Plumbing Systems, This 3/4 To 1/2 Adapter Set Is Suitable For Both Residential And Industrial Applications, Offering A Reliable Connection For Water, Oil, Or Gas Systems Indoors And Outdoors
[Leak‑Proof Design] Each Shower Hose Connector Comes With Precision‑cut Threads And Is Paired With High‑quality Rubber Washers To Ensure A Secure, Watertight Seal Without The Need For Additional Sealant Tape, Preventing Leaks In Both High‑pressure And Low‑pressure Systems
[Easy To Install] Our Stainless Steel Water Butt Connector Kit Fittings Can Be Installed Quickly Without Special Tools. Suitable For Horizontal, Vertical, Or Angled Installations, They Are Perfect For Adapting Between Different BSP Thread Sizes In Plumbing, Garden Irrigation, Or Rainwater Harvesting Setups
#TOP 8

4 Pcs 1/2" Male Thread Brass Hex Nipple Connector - G1/2 Straight Pipe Fitting for Connecting Conversion

1/2 inch
Gold
1/2 inch
4 Pcs 1/2" Male Thread Brass Hex Nipple Connector - G1/2 Straight Pipe Fitting for Connecting Conversion Cover
4 Pcs 1/2" Male Thread Brass Hex Nipple Connector - G1/2 Straight Pipe Fitting for Connecting Conversion

Features
[Brass Material] Thread Brass Hex Nipple Connector Is Made Of High-Quality Brass, Through The Use Of Sophisticated Forging And Pressing Technology, With A Smooth And Shiny Surface. Hex Nipple Pipe Fittings Which Is Characterized By High Hardness, Rust Protection, Corrosion Resistance, In Contrast To Conventional Stainless Steel Or Plastic Threaded Bushings, Our Connector Is Not Easy To Deform And Is More Durable.
[Hex Nipple 1/2 Inch Size] You Will Receive 4 Pcs 1/2" Male To 1/2" Male. The Internal Thread Diameter Is Approx. 15 Mm, External Thread Diameter Is Approx. 19 Mm, Please Confirm The Product Size When Purchasing.
[Widely Used] Brass Double Nipples With Hexagon Are Often Used In Pipe Connections, Bathrooms, Heating, Air Conditioning, Etc., Ideal For A Wide Range Of Applications In Plumbing, Gardening, Professional Use As Well As DIY Projects At Home.
[Wide Range Of Adaptations] : It Is Suitable For The Size And Size Conversion Of The Pipe Connection Between Gas And Liquid And Changes The Size To Meet The Connection Between Different Connections.
[Easy To Install] Our Thread Brass Hex Nipple Connector Are Easy To Install And Remove, The Double Nipples Can Be Installed In Any Position In Horizontal, Vertical And Diagonal Pipes, It Is An Ideal Replacement Accessory. For Fittings Without Seals On The Threaded Ends, Sealants Such As Teflon Sealing Tape Should Be Used.
#TOP 9

Anderson Metals - 56123-0806 Brass Pipe Fitting, Reducing Hex Nipple, 1/2" Male Pipe x 3/8" Male Pipe

Anderson Metals
56123-0806
Brass
1/2" x 3/8"
Anderson Metals - 56123-0806 Brass Pipe Fitting, Reducing Hex Nipple, 1/2" Male Pipe x 3/8" Male Pipe Cover
Anderson Metals - 56123-0806 Brass Pipe Fitting, Reducing Hex Nipple, 1/2" Male Pipe x 3/8" Male Pipe

Features
Male National Pipe Taper (NPT) Threads For Connecting To Female Threaded Pipes, Reducing Hex Nipple For Connecting Two Threaded Pipes With Different Diameters
Note: Pipe Fitting Sizes Are Based On Nominal Pipe Size. To Determine Correct Size Needed Measure The Thread Outside Diameter And Select The Pipe Size Above That The Matches Thread O.D. Size On The Pipe Fitting Size Chart.
Operating Temperatures Range From -53 To 121 Degrees C (-65 To 250 Degrees F)
International Products Have Separate Terms, Are Sold From Abroad And May Differ From Local Products, Including Fit, Age Ratings, And Language Of Product, Labeling Or Instructions.
#TOP 10

ERGAOBOY 2Pcs Hex Nipple, 1/2" BSP Male x 1/2" BSP Male 304 Stainless Steel Pipe Adapter Fittings, Length 60MM Straight Connector

OP-504
ERGAOBOY 2Pcs Hex Nipple, 1/2" BSP Male x 1/2" BSP Male 304 Stainless Steel Pipe Adapter Fittings, Length 60MM Straight Connector Cover
ERGAOBOY 2Pcs Hex Nipple, 1/2" BSP Male x 1/2" BSP Male 304 Stainless Steel Pipe Adapter Fittings, Length 60MM Straight Connector

Features
Material: Hex Nipple Made Of Quality Stainless Steel 304, Sturdy Corrosion Resistance, Ductility At High Temperatures, And Low Magnetic Permeability.
Product Name: 1/2" BSP Male X 1/2" BSP Male 304 Stainless Steel Hex Nipple, Length 60MM For Industry Connecting Pipes Or Fittings With Different End Types,Diameters,Or Materials
Working Pressure And Temperature Range: 0-1 MPa And -50 To 120 °C
Wide Range Of Applications: Suitable For Air, Natural Gas, Petroleum And Fuel. Examples Include Extended Hoses, Air Ducts, Fuel Pipelines And Other Piping Systems, As Well As Irrigation Applications.
High-Quality Design: The Deep-Threaded Construction Ensures Superior Component Engagement, With Tightly Interlocking Threads That Resist Slippage.
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is nipples in pipe fitting?

When it comes to plumbing and piping, a nipple is a fitting that is a short piece of pipe. A nipple is usually provided with a male pipe thread (MPT) connection at each end of the fitting, which are used to make a watertight seal when connecting piping to threaded fittings, valves or equipment.

2. Are pipe nipples considered fittings?

In plumbing and piping, a nipple is a fitting, consisting of a short piece of pipe, usually provided with a male pipe thread at each end, for connecting two other fittings. The length of the nipple is usually specified by the overall length with thread.

3. What sizes do pipe nipples come in?

Standard black and galvanized nipples come in pipe sizes from 1/8” to 8” and lengths from close to 12” long.

Editor's Notes

During our pipe fitting nipple research, we found 306 pipe fitting nipple products and shortlisted 10 quality products. We collected and analyzed 2,829 customer reviews through our big data system to write the pipe fitting nipples list. We found that most customers choose pipe fitting nipples with an average price of £20.00.

The pipe fitting nipples are available for purchase. We have researched hundreds of brands and picked the top brands of pipe fitting nipples, including runxsam, Josaton, Ezranova, Lhfacc, Fogbush.

Written by
Tom Law Avatar

Tom Law is an adventurer who has captured his love for nature into all of his works. A native of Newcastle, Tom has always wanted to share beautiful stories alongside the lovely sights of nature. Fortunately, he took into photography on one of his many journeys and gradually grew a passion for it. Tom Law is now an expert photographer who tours the world while creating and keeping memories of his adventures. He frequently puts his thoughts and experiences into writing.