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
16.12/Pkg. of 2
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16.12/Pkg. of 2
25mm L x 12mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90657
17.89/Pkg. of 2
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17.89/Pkg. of 2
30mm L x 16mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90658
25.89/Pkg. of 2
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25.89/Pkg. of 2
35mm L x 16mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90659
28.56/Pkg. of 2
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28.56/Pkg. of 2
40mm L x 20mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90660
36.67/Pkg. of 2
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36.67/Pkg. of 2
50mm L x 20mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90661
47.23/Pkg. of 2
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47.23/Pkg. of 2
6mm L x 3mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90662
10.89/Pkg. of 2
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10.89/Pkg. of 2
8mm L x 3mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90663
10.89/Pkg. of 2
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10.89/Pkg. of 2
12mm L x 4.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90664
10.89/Pkg. of 2
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10.89/Pkg. of 2
15mm L x 4.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90665
10.89/Pkg. of 2
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10.89/Pkg. of 2
20mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90666
11.67/Pkg. of 2
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11.67/Pkg. of 2
25mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90667
12.56/Pkg. of 2
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12.56/Pkg. of 2
30mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90668
13.56/Pkg. of 2
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13.56/Pkg. of 2
35mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90669
14.5/Pkg. of 2
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14.5/Pkg. of 2
40mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90670
15.45/Pkg. of 2
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15.45/Pkg. of 2
45mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90671
19.45/Pkg. of 2
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19.45/Pkg. of 2
50mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90672
21/Pkg. of 2
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21/Pkg. of 2
60mm L x 9mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90673
27.12/Pkg. of 2
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27.12/Pkg. of 2
70mm L x 9.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90674
32.12/Pkg. of 2
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32.12/Pkg. of 2
12mm L x 4.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90675
11.34/Pkg. of 2
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11.34/Pkg. of 2
15mm L x 4.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90676
11.34/Pkg. of 2
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11.34/Pkg. of 2
20mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90677
12/Pkg. of 2
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12/Pkg. of 2
25mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90678
14.23/Pkg. of 2
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14.23/Pkg. of 2
35mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90679
15.23/Pkg. of 2
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15.23/Pkg. of 2
40mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90680
18.78/Pkg. of 2
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18.78/Pkg. of 2
45mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90681
19.45/Pkg. of 2
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19.45/Pkg. of 2
50mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90682
21.34/Pkg. of 2
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21.34/Pkg. of 2
60mm L x 9.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90683
23.34/Pkg. of 2
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23.34/Pkg. of 2
70mm L x 9.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90684
28.56/Pkg. of 2
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28.56/Pkg. of 2
7mm L x 2mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90685
9.78/Pkg. of 2
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9.78/Pkg. of 2
10mm L x 3mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90686
10.44/Pkg. of 2
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10.44/Pkg. of 2
13mm L x 3mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90687
10.89/Pkg. of 2
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10.89/Pkg. of 2
PTFE Stir Bar Set with Oval, Pivot Ring & Micro Stir Bars - Package of 22
Item 90688
202.36/Pkg. of 22
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202.36/Pkg. of 22