Stir Bars
Offered in many colors, sizes and configurations, our stir bars come with PTFE coated or Pyrex® glass coated ALNICO V magnets, in octagonal, oval, polygonal and egg shaped varieties, with or without pivot rings for low-friction stirring.
Our small, efficient Flea Micro® stirring bars are ideal for vials, micro test tubes, centrifuge tube mixing.
Browse the products below or select a category to see all available sizes and colors.
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Plastic Stirring Rods 10" x 7mm, case/12
United Scientific
MSRP: $14.00Price: $13.42These stirring rods are made of polypropylene and rounded on both ends. 10" (254 mm) x 7 mm.UN-81406MSRP: $14.00Price: $13.42 -
Stir Bar Magnet Retriever, Polyethylene SpinBar, Choose Size, Each
Bel-Art
Price: $24.51High-strength polyethylene construction with attached Alnico magnet. Features a hang-up loop on one end. Offers convenient stir bar retrieval for bars up to 1" long.Choose from 12" or 18" of high-strength polyethylene construction with attached Alnico...BA-377720000Price: $24.51 -
Stir Bars, Rounded, 8 x 13mm, pack/12
Dynalon
MSRP: $85.00Price: $81.44Stir Bars, Rounded, 8 x 13 mm. Round stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. PTFE thickness accounts for approximately 18% of stir bar diameter. Round stir bars should NOT...DL-303705MSRP: $85.00Price: $81.44 -
Octagonal Stir Bars, 3/8" x 2", pack/12
Dynalon
MSRP: $136.00Price: $130.87Octagonal Stir Bars, 3/8" x 2". Octagonal stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Our PTFE octagonal stirring bars feature ALNICO V magnetic cores which are one of the most...DL-303275-0018MSRP: $136.00Price: $130.87 -
Plain Spinbar Magnetic Stirring Bar, 76 x 12mm
Bel-Art
Price: $26.80Plain Spinbar Magnetic Stirring Bar, 76 x 12mm. Smooth surface stir bars have no sharp or flat edges which maximizes contact with the stirring vessel. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® brand PTFE Coating, Superior Chemical...BA-371201276Price: $26.80 -
Wheaton® Spin Vane Micro Stir Bar for 1 ml Conical V-Vials, Borosilicate Glass, case/6
DWK Life Sciences
MSRP: $126.20Price: $117.62WHEATON® Spin Vane For 1 mL V-Vial. Spin Vane For 1mL Type I Borosilicate Glass V-Vials. Wheaton® Spin Vane magnetic stir bars are designed for stirring samples directly within Wheaton® NextGen™ V Vials® using a magnetic stirrer...DWK-903061MSRP: $126.20Price: $117.62 -
Octagonal Stir Bars, 3/8" x 1/2", pack/12
Dynalon
MSRP: $76.00Price: $73.33Octagonal Stir Bars, 3/8" x 1/2". Octagonal stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Our PTFE octagonal stirring bars feature ALNICO V magnetic cores which are one of the most...DL-303275-0011MSRP: $76.00Price: $73.33 -
Polygonal Stir Bars, 159 x 27mm
Dynalon
MSRP: $177.00Price: $170.67Polygonal Stir Bars, 159 x 27mm. Extra large polygonal stirring bars are heavy duty for stirring large volumes of liquids on large magnetic stirrers. 304445 -0001 -0002 -0003 Length mm 57 108 159 Length inches 2-1/4 4-1/4 6-1/4 O.D. mm 27 27 27 ...DL-304445-0003MSRP: $177.00Price: $170.67 -
PTFE Shaft Stirrer, Plain Blade, 150mm
Dynalon
MSRP: $30.00Price: $28.48PTFE Shaft Stirrer, Plain Blade, 150mm. These PTFE stirrer blades and accompanying shafts are manufactured in a complete range of sizes and shaft lengths. Stirring blades are inert, unbreakable, will not scratch and are useable to 260°C...DL-312544-0005MSRP: $30.00Price: $28.48 -
PTFE Stirrer, Anchor Shape Stir Bar, 550mm
Dynalon
MSRP: $163.00Price: $157.14PTFE Stirrer, Anchor Shape Stir Bar, 550mm. These PTFE shaft stirrers are manufactured in a complete range of sizes and shaft lengths. PTFE shaft stirrers are inert, unbreakable, will not scratch and are useable to 260°C. Screw Propeller ...DL-312514-0003MSRP: $163.00Price: $157.14 -
Stirring Rod, Steel Core, 6", pack/12
Dynalon
MSRP: $190.00Price: $182.77Stirring Rod, Steel Core, 6". Stirring rods are PTFE coated steel which can be bent into a permanent shape. Inert PTFE will not scratch. For use in high temperatures up to 280°C. Stirring Rods with Rounded Ends - Steel Core Part...DL-303284MSRP: $190.00Price: $182.77 -
Egg-Shaped Stir Bars, 1/2 x 1", pack/12
Dynalon
MSRP: $150.00Price: $144.13Egg-Shaped Stir Bars, 1/2 x 1". Egg shaped stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Stir bars should ; be stored in pairs to maintain magnetic strength. 303515 -0001 -0002...DL-303515-0002MSRP: $150.00Price: $144.13 -
Octagonal Stir Bars, 5/16" x 1 1/8", pack/12
Dynalon
MSRP: $76.00Price: $73.33Octagonal Stir Bars, 5/16" x 1 1/8". Octagonal stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Our PTFE octagonal stirring bars feature ALNICO V magnetic cores which are one of the most...DL-303275-0006MSRP: $76.00Price: $73.33 -
Octagonal Stir Bars, 5/16" x 2", pack/12
Dynalon
MSRP: $98.00Price: $93.88Octagonal Stir Bars, 5/16" x 2". Octagonal stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Our PTFE octagonal stirring bars feature ALNICO V magnetic cores which are one of the most...DL-303275-0009MSRP: $98.00Price: $93.88 -
PP Stir Bar Retriever 18", pack/6
Dynalon
MSRP: $109.00Price: $105.00Polypropylene Stir Bar Retriever 18". Polypropylene Stirring Bar Retrievers are ideal for use with all stirring bars. Entire stir bar retriever is totally encased in chemically resistant polypropylene. Handy ring allows for hanging when not in use...DL-303305MSRP: $109.00Price: $105.00 -
PTFE Shaft Stirrer, Plain Blade, 125mm
Dynalon
MSRP: $28.00Price: $26.53PTFE Shaft Stirrer, Plain Blade, 125mm. These PTFE stirrer blades and accompanying shafts are manufactured in a complete range of sizes and shaft lengths. Stirring blades are inert, unbreakable, will not scratch and are useable to 260°C. Square...DL-312544-0004MSRP: $28.00Price: $26.53 -
PTFE Shaft Stirrer, Screw Propeller, 400mm
Dynalon
MSRP: $231.00Price: $221.69PTFE Shaft Stirrer, Screw Propeller, 400mm. These PTFE shaft stirrers are manufactured in a complete range of sizes and shaft lengths. PTFE shaft stirrers are inert, unbreakable, will not scratch and are useable to 260°C. Screw Propeller ...DL-312504-0001MSRP: $231.00Price: $221.69 -
Star Bar Stirring Head Set, "X" Shape Kit, PTFE, 5 sizes, 9.5mm to 38mm, pack/5
Dynalon
MSRP: $80.00Price: $76.86Star Bar Stirring Head, "X" Shape Kit, PTFE, 5 sizes, 9.5mm to 38mm diameter range. PTFE Star Bar Stirring Heads offer true paddle configuration in each magnetic stirring head. Excellent mixing at slow speeds for biological applications. Features larger...DL-304455MSRP: $80.00Price: $76.86 -
Stir Bar Kit, PTFE, Set/16, pack/16
Dynalon
MSRP: $136.00Price: $130.36Stir Bar Kit, PTFE, Set/16. Our PTFE octagonal stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available. Stir bars should be stored in pairs to maintain magnetic strength. Contains octagonal...DL-303595MSRP: $136.00Price: $130.36 -
Stir Bar, Magnetic, PTFE, 8mm x 1.5mm, Flea Micro, White, Each
Bel-Art
MSRP: $9.00Price: $8.358mm x 1.5mm Flea Micro Stir Bar. Very small, efficient stirring bars are ideal for vials, micro test tubes, and centrifuge tube mixing. Features a Teflon® PTFE coated ALNICO V coated magnet. FDA grade Teflon® PTFE low friction coating is durable...BA-371190008MSRP: $9.00Price: $8.35