PTFE Magnetic Stir Bars

These magnetic stir bars come in various shapes and sizes for stirring liquids on magnetic stirrers or hotplate stirrers. The oval bars are ideal for efficient stirring in round-bottomed flasks, and the wide range of cylindrical bar sizes is excellent for a broad array of flasks, cylinders, beakers, tubes, and more. The central pivot ring on the pivoting stir bars ensures efficient spinning, even on curved or uneven bases. The micro, or flea, bars are designed for stirring small volumes in vessels such as vials, tubes, and gradient markers. The stir bar set includes a total of 22 stir bars: (2) 12mm L x 4.5mm Dia., (2) 25mm L x 6mm Dia., (2) 45mm L x 8mm Dia., and (2) 60mm L x 9.5mm Dia. pivot ring bars; (2) 20mm L x 10mm Dia., (2) 25mm L x 12mm Dia., (2) 35mm L x 16mm Dia., and (2) 50mm L x 20mm Dia. oval bars; (3) 7mm L x 2mm Dia. and (3) 10mm L x 3mm Dia. micro bars.

  • Strong alloy magnet sheathed in pure white inert PTFE
  • Resistant to virtually all chemical attack
  • Easy to clean
  • Packaged in polarity-aligned packs to ensure maximum coupling strength
  • Max. temperature: 260°C
  • Sold in full packages only
  • Stir bar retrievers are sold separately
Item # Description Catalog Pg. Price Add to Cart
20mm L x 10mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90656
16.96/Pkg. of 2
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P-144
16.96/Pkg. of 2
25mm L x 12mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90657
18.84/Pkg. of 2
P-144
18.84/Pkg. of 2
Not Available
30mm L x 16mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90658
27.26/Pkg. of 2
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P-144
27.26/Pkg. of 2
35mm L x 16mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90659
30.06/Pkg. of 2
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P-144
30.06/Pkg. of 2
40mm L x 20mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90660
38.62/Pkg. of 2
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P-144
38.62/Pkg. of 2
50mm L x 20mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90661
49.73/Pkg. of 2
Save 5% when you buy 4+
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P-144
49.73/Pkg. of 2
6mm L x 3mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90662
11.48/Pkg. of 2
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P-144
11.48/Pkg. of 2
8mm L x 3mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90663
11.49/Pkg. of 2
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P-144
11.49/Pkg. of 2
12mm L x 4.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90664
11.48/Pkg. of 2
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P-144
11.48/Pkg. of 2
15mm L x 4.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90665
11.48/Pkg. of 2
Save 5% when you buy 4+
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P-144
11.48/Pkg. of 2
20mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90666
12.28/Pkg. of 2
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P-144
12.28/Pkg. of 2
25mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90667
13.23/Pkg. of 2
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P-144
13.23/Pkg. of 2
30mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90668
14.27/Pkg. of 2
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P-144
14.27/Pkg. of 2
35mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90669
15.27/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-144
15.27/Pkg. of 2
40mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90670
16.25/Pkg. of 2
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P-144
16.25/Pkg. of 2
45mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90671
20.48/Pkg. of 2
Save 5% when you buy 4+
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P-144
20.48/Pkg. of 2
50mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90672
22.1/Pkg. of 2
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P-144
22.1/Pkg. of 2
60mm L x 9mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90673
28.55/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
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P-144
28.55/Pkg. of 2
70mm L x 9.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90674
33.79/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-144
33.79/Pkg. of 2
12mm L x 4.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90675
11.94/Pkg. of 2
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P-144
11.94/Pkg. of 2
15mm L x 4.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90676
11.94/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
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P-144
11.94/Pkg. of 2
20mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90677
12.64/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
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P-144
12.64/Pkg. of 2
25mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90678
14.98/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-144
14.98/Pkg. of 2
35mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90679
16.02/Pkg. of 2
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Save 10% when you buy 8+
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P-144
16.02/Pkg. of 2
40mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90680
19.76/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
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P-144
19.76/Pkg. of 2
45mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90681
20.48/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-144
20.48/Pkg. of 2
50mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90682
22.46/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
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P-144
22.46/Pkg. of 2
60mm L x 9.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90683
24.56/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-144
24.56/Pkg. of 2
70mm L x 9.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90684
30.06/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-144
30.06/Pkg. of 2
7mm L x 2mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90685
10.3/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
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P-144
10.3/Pkg. of 2
10mm L x 3mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90686
11/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-144
11/Pkg. of 2
13mm L x 3mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90687
11.48/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
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P-144
11.48/Pkg. of 2
PTFE Stir Bar Set with Oval, Pivot Ring & Micro Stir Bars - Package of 22
Item 90688
213.01/Pkg. of 22
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P-144
213.01/Pkg. of 22