Top 10 Best magnetic stirrer bar in 2026

Last Updated - 6/8/2026

🏆Best Choice

Weewooday

Weewooday 8 Pieces PTFE Magnetic Mixer Stirrer Bar, White Color Stainless Steel Laboratory PTFE Stir Plate Bar, Mixing Plate Magnet Stick (30 mm/ 1.18 Inch)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Features: magnetic stir bar can resist high temperatures, corrosion, abrasion and high rotational forces, and has the properties of fine workmanship, no impurities and burrs on the surface, stable speed and no deviation
•Quality material: PTFE magnetic stirrer is made of PTFE and quality magnetic steel, and the cylindrical shape and smooth surface will reduce friction and improve smooth rotation
•More other applications: laboratory bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors, and also can be applied to stir mixed substances
•Widely applicable: stir plate magnet bar will work well with various types of magnetic stirrers or heating stirrers
•Package includes: comes with PTFE magnetic stir bars in our package, all of them are 30 mm/ 1.18 inch

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$9.99

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joaoxoko

joaoxoko Magnetic Stir Bars,10 Pcs PTFE Magnetic Stirrer Mixer Stir Bar, 20 mm/ 0.8 Inch White Laboratory Stirrer Mixer Bar (10)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Package Included：Size: 6.4mm×20mm/0.8 inches. Quantity: 10 pieces, shape: cylinder with pivot ring shape
•DURABLE MATERIAL：Stir stick is made of Teflon and high-quality magnet. It is not easily demagnetized and lasts longer than other stir bars
•Scientific Design：These stirring sticks have a pivot ring in the center. They are designed to hold an optimal position in containers with curved or uneven bottoms. The ring helps reduce vibration and wear, and reduces the effects of friction from contact with the vessel
•Suitable for a variety of stirrers:Magnetic stir bars can be used with various types of magnetic stirrers or heating stirrers on the market
•Wide range of uses：Stir sticks are widely used in scientific research, colleges and universities, industrial and agricultural laboratories and household use

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$6.97

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GPJYYDS

Magnetic Stir Bars with Magnetic Retriever Set, Lab Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars PTFE Stiring Rod, 8x35mm, 8x30mm, 8x28mm, 7x30mm Magnetism for Laboratory Home DIY Project

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Versatile Magnetic Stir Bar Set: This 8-piece PTFE Magnetic Stir Bar set includes 8 different sizes and recycling rod for stir bar retrieval, providing perfect options for various laboratory applications
•Good Quality Material: Polyethylene tetrafluoroethylene (PTFE) magnetic stir bars are made by sealing permanent magnets in PTFE material can withstand high temperatures
•Perfect for Laboratory and DIY Use: Ideal for laboratory applications such as chemistry labs, general training, science lab, also a good choice for the home diy handmade project
•How to Select: Select the stir bar based on the volume; For volumes up to 1000 mL, a 15 mm stir bar is sufficient. For volumes up to 3000 mL, a 30 mm stir bar should be used; Note: Stir bars are suitable for use with liquids of low viscosity. If used with thick, oil-like liquids, the stirring efficiency may be affected
•Ideal for Flat Bottom Container: This cylindrical with shaft ring shape stir bar set is suitable for use in flat-bottom containers
•Convenient Storage Box - All the magnetic stir bars are stored in a transparent and sturdy storage case; Each size is stored separately in a EVA foam, ensuring easy organization, quick access, and no confusion during transportation. Ideal for efficiently finding the size you need

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$12.69

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AYINLAB

AyinLab PTFE Magnetic Stir Bar, Magnetic Stirring Rod, 8pcs Magnetic Stir Bar Set, 10mm/15mm/20mm/25mm/30mm/35mm, Magnetic Mixing Bars for Magnetic Stirrer, Auto Magnetic Mixers and Lab Stirrers

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•> High-quality: These magnetic stirrer bars are made of PTFE magnetic material which makes it smoother to stir and mix
•> Wide Applications: These stirring bars can be used in all types of magnetic mixers
•> Smooth Surface: The smoother the stirring rod, the smoother the mixing
•> Safety Caution: Keep this away from children
•> Durable: It can resist high temperatures, corrosion, abrasion and high rotational forces

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$7.99

$9.99

-20%

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Weewooday

Weewooday 16 Pieces PTFE Magnetic Mixer Stirrer Bar, White Color Stainless Steel Laboratory PTFE Stir Plate Bar, Mixing Plate Magnet Stick (30 mm/ 1.18 Inch)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Features: magnetic stir bar can resist high temperatures, corrosion, abrasion and high rotational forces, and has the properties of fine workmanship, no impurities and burrs on the surface, stable speed and no deviation
•Quality material: PTFE magnetic stirrer is made of PTFE and quality magnetic steel, and the cylindrical shape and smooth surface will reduce friction and improve smooth rotation
•More other applications: laboratory bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors, and also can be applied to stir mixed substances
•Widely applicable: stir plate magnet bar will work well with various types of magnetic stirrers or heating stirrers
•Package includes: comes with PTFE magnetic stir bars in our package, all of them are 30 mm/ 1.18 inch

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$15.99

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Ckepvo

Ckepvo Magnetic Stir Bar 8Pcs - 30mm PTFE Coated Laboratory Stir Bars for Industrial/Agricultural Stir Plate, High-Temp Resistant &Smooth Rotation (White) (8)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Premium PTFE Material: Encapsulated PTFE coating resists acids and high temperatures; Cylindrical design ensures smooth rotation at ≤2000 rpm; Minimizes friction for consistent mixing results
•Broad Compatibility:Magnetic Stir Bar Fits all standard magnetic stirrers and heating plates; Stable performance in industrial or agricultural settings; Simplifies equipment integration across facilities
•Specialized Application: Ideal for university research and material testing; Safe for fungal culture preparations in controlled environments; Supports error-free experimental workflows
•Efficient Operation:PTFE Magnetic Stir Bar kit Eight pieces of thirty mm white stir bars included; Optimizes multi-sample processing simultaneously; Saves time in routine laboratory tasks
•Enhanced Durability: precision-polished surface; Withstands daily lab corrosion and abrasion; Reduces maintenance costs over long-term use

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$7.97

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joaoxoko

Joaoxoko Magnetic Stir Bar Set 12pcs PTFE Magnetic Stirrer Mixer Stir Bar,White 0.8 Inch Laboratory Stirrer Mixer Bar,Type-B Mycology Supplies Magnetic Stirrer Bar

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Package Included:6.4mm×20mm/0.8 inches. Quantity: 12 pieces, B shape: cylinder with pivot ring
•Durable Material:The stirring bar is made of Teflon and high-quality magnets. It is not easy to demagnetize, resistant to high temperature, corrosion, wear and high rotational force, and has a longer service life than other stirring bars. There is no impurities or burrs on the surface, and the speed is stable and there is no deviation
•Scientific Design:These stirring bars have a pivot ring in the center. They are designed to maintain the best position in containers with curved or uneven bottoms. The ring helps reduce vibration and wear, and reduces the friction caused by contact with the container
•Wide Application:Magnetic stirrer bar is often used to stir and mix liquids. Stirring bars are widely used in scientific research, colleges and universities, industrial and agricultural laboratories, and home use
•Suitable for a variety of stirrers:Magnetic stir bars can be used with various types of magnetic stirrers or heating stirrers on the market

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$8.27

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MECCANIXITY

MECCANIXITY Magnetic Stirrer Mixer Stir Bar Rod 80mm(3.15") x10mm Cylinder Shape Coating Magnet White for Laboratory 2Pcs

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Magnetic stir bars are used to stir liquids or solutions in the biology and chemistry field, research laboratory applications, etc. Usually used with a magnetic stirrer or heating stirrer, quieter, more efficient than other stirrers.
•The magnetic stir bar is in size of:Total length: 80mm(3.15 inch); Diameter(Approx): 10mm(0.39 inch); In the package of: 2 x Magnetic stir bar
•The magnetic stir bar is made from magnet with PTFE coating, the coating is corrosion resistant and has good resistance to high temperature(temperature tolerance range:-180 ℃~250 ℃)
•Smooth surface, reduce friction and improves smooth rotation, easy to clean.
•The magnetic stir bar is reusable, please wash and dry it after use for next time use.

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$14.49

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MECCANIXITY

MECCANIXITY Magnetic Stirrer Mixer Stir Bar Rod 100mm(4") x10mm with Ring Shape Coating Magnet White for Laboratory

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Magnetic stir bars are used to stir liquids or solutions in the biology and chemistry field, research laboratory applications, etc. Usually used with a magnetic stirrer or heating stirrer, quieter, more efficient than other stirrers.
•The magnetic stir bar is in size of:Total length: 100mm(4 inch); Diameter(Approx): 10mm(0.39 inch); In the package of: 1 x Magnetic stir bar
•The magnetic stir bar is made from magnet with PTFE coating, the coating is corrosion resistant and has good resistance to high temperature(temperature tolerance range:-180 ℃~250 ℃)
•Smooth surface, reduce friction and improves smooth rotation, easy to clean. with Ring shape, more suitable for flat-bottomed containers, with better rotational stability and better stirring effect.
•The magnetic stir bar is reusable, please wash and dry it after use for next time use. Keep away from iron and other magnetic materials, so as not to affect the magnetic properties of the magnetic stirrer. It should be replaced when the appearance of the magnetic stirrer is obviously worn, or the magnetic force has faded seriously

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$11.69

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YOKIVE

YOKIVE 2 Pcs Magnetic Stir Bar, PTFE Coated Cross/Gear Type Stirrer | Great for Lab Liquid Solution Stirring Mixing(White, 2 Sizes)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•√MULTIPURPOSE - Magnetic stir bars are used to stir liquids or solutions in laboratory applications. Compared to the usual stirrer, it is quieter and more efficient.
•√WHAT YOU GET - The package comes with 2pcs Magnetic Stir Bar Rod that measures 1.54"x0.28"(Gear Shape), 1.57"x0.43"(Cross Shape).
•√RELIABLE MATERIAL - Made of PTFE coated magnet, which is corrosion-resistant and high-temperature resistant (temperature resistance range: -180℃~250℃)
•√SPECIAL DESIGNED - Smooth surface reduces friction, improves smooth rotation and is easy to clean.
•√KINDLY NOTE - Please read the measurements before ordering if you are concerned about the size. Please keep it away from ferrous substances and other magnetic materials, so as not to affect the magnetic properties of the magnetic stirrer.

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$9.99

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