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Stir Bars, Angled Vane, Half Round Semicircular, Tapered Half Round Semicircular, Balancing Ring, Finned, and Double Finned

  Overview

The Spinvane® Angled Vane, Half Round Semicircular, Tapered Half Round Semicircular, the Spinring® Balancing Ring, the Spinfin® Finned and Double Finned are popular magnetic stir bar solutions for a variety of mixing needs.

The Spinvane® Angled Vane, Half Round Semicircular and Tapered Half Round Semicircular are good for narrow, conical shaped tubes. The Spinring® Balancing Ring keeps the stir bar centered, resists spinout and turbulent motion. The Spinfin® Finned and the Spinfin® Double Finned stirring bars work well in round bottom tubes and flasks.

Prices are for each, but volume pricing is available. Rose Scientific has a minimum order requirement, so it is important to inquire about volume purchases or to combine orders with the purchase of other equipment.

Angled Vane Half Round Tapered Half Round Balancing Ring Finned Double Finned
Rose Scientific has a large selection of magnetic stir bars for every application, for general magnetic stirring, high temperature stirring, viscous solutions or high speed stirring, abrasive slurries or extended stirring, stirring in large or very small containers and gentle stirring in tissue culture applications.

The Spinbar® Octagon, Round, Polygon, Flea Micro, Egg Shaped (Oval) and Disposable Stir Bars available from Rose Scientific are the most popular of the magnetic stir bars and are available in the widest selection of sizes, for general magnetic stirring. The Spinvane® Angled Vane, Half Round Semicircular, Tapered Half Round Semicircular, the Spinring® Balancing Ring, the Spinfin® Finned and the Spinfin® Double Finned add to the choices. More solutions are provided by the Spinstar® Star Shape, Spincross® Cross Shape, Spinwedge® Triangular, Spinbar® Saturn. Circulus® Barbell, and Floating Iman, or the Spinbar® Pyrex Glass, Spinbar® High Torque, Spinfinity® Long Lasting, Spinbar® Cuvette, Spinbar® Capsule stir bars and the Centering Beaker with Cover.

NumberDescriptionPrice $
371340000 Spinvane Angled Vane Magnetic Stir Bar, PTFE sheathed cross mounted built in Alnico magnets, canted face ideal for narrow conical shaped tubes and sample vials, fits 1 mL vials
11.62
371350000 Spinvane Angled Vane Magnetic Stir Bar, PTFE sheathed cross mounted built in Alnico magnets, canted face ideal for narrow conical shaped tubes and sample vials, fits 3 mL and 5 mL vials
11.62
371360000 Spinvane Half Round Magnetic Stir Bar, semi-circular tip, 13.7 mm wide, PTFE coated, Alnico magnet inside, can be used in 16 mm outside diameter round bottom test tubes
11.90
371370000 Spinvane Half Round Tapered Magnetic Stir Bar, tapered semi-circular tip with narrowed sides, vane can be trimmed to suit individual vials, PTFE construction, Alnico magnet inside, ideal for mixing in conical bottom centrifuge tubes
11.90
371400005 Spinring Stir bars with Balancing Ring, to keep bar in the center of vessel, ring is detachable. PTFE coated, Alnico magnet inside, generates vortex to bottom of vessel, eliminates spraying and resists spinout and turbulent motion, bar size 12.7 × 8 mm, ring outside diameter 19 mm
36.57
371400010 Spinring Stir bars with Balancing Ring, to keep bar in the center of vessel, ring is detachable. PTFE coated, Alnico magnet inside, generates vortex to bottom of vessel, eliminates spraying and resists spinout and turbulent motion, bar size 25.4 × 8 mm, ring outside diameter 23.8 mm41.57
371400015 Spinring Stir bars with Balancing Ring, to keep bar in the center of vessel, ring is detachable. PTFE coated, Alnico magnet inside, generates vortex to bottom of vessel, eliminates spraying and resists spinout and turbulent motion, bar size 38 × 8 mm, ring outside diameter 44.5 mm42.90
371400020 Spinring Stir bars with Balancing Ring, to keep bar in the center of vessel, ring is detachable. PTFE coated, Alnico magnet inside, generates vortex to bottom of vessel, eliminates spraying and resists spinout and turbulent motion, bar size 50.8 × 8 mm, ring outside diameter 57.2 mm
46.35
371250012 Spinfin Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 12.7 Ø ×12.7 mm
11.16
371250014 Spinfin Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 7.9 × 9.5 mm10.70
371250034 Spinfin Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 19 Ø × 12.7 mm13.51
371250038 Spinfin Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 9.5 Ø × 9.5 mm10.75
371250058 Spinfin Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 16 Ø × 12.7 mm11.50
371250078 Spinfin Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 22 Ø × 12.7 mm
12.94
371260001 Spinfin Double Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, fins on top and bottom double the mixing effectiveness compared to single sided Spinfin, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 25 Ø × 22 mm
25.13
371260012 Spinfin Double Finned Magnetic Stir Bar, PTFE coated, Alnico magnet, fins on top and bottom double the mixing effectiveness compared to single sided Spinfin, ideal for stirring in round bottom test tubes and flasks, keeps position, wobble free agitation, 12.7 Ø × 12.7 mm
20.07