Scientific Machine (SciMac) is your source for High-Quality PTFE laboratory products

Shaft Couplings

Stirrer Shaft Couplings & Retainers

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  • 2000 - Stirrer Rod PTFE Pin and Lock Assembly

    Teflon Pin and washer for use with Glass stirrer Rods with a glass ring. Pin and lock nut gives the proper amount of tension to be applied to the blade, thereby preventing the blade from flipping over during insertion into the flask through the ground tapered joint. Use with any of our PTFE stirrer blades with Keyhole.

    Starting at: $23.97

  • 2020 - Delrin Safety Stirrer Rod Retainer

    Delrin Safety Stirrer Rod Retainers, Used to prevent the shaft from slipping and damaging flasks. Also inhibits contaminants from entering flask.

    Starting at: $23.97

  • 2021 - Nylon Safety Stirrer Rod Retainer

    Nylon Retainers, Used to prevent the shaft from slipping and damaging flasks. Also inhibits contaminants from entering flask.

    Starting at: $26.52

  • 2022 - PTFE Safety Stirrer Rod Retainer

    PTFE Retainers, Used to prevent the shaft from slipping and damaging flasks. Also inhibits contaminants from entering flask.

    Starting at: $45.90

  • 2025 - Universal S/S Swivel Stirrer Coupling, Connects Shafts to Motor Drive

    Our Universal coupling features a stainless steel universal joint, Delrin bushing and an aluminum compression ring. The light weight coupling minimizes the burden on the motor and assists in reducing vibration and misalignment throughout the stirrer assembly. This is most useful when stirring in glassware. The coupling compensates for misalignment of any glass stirrer shaft or drive motor. The Stainless Steel stud attaches directly to the chuck of a stirrer motor, supplied complete with an Allen wrench.

    Starting at: $88.69

  • 2035 - Universal S/S Swivel Stirrer Coupling, Connects Stirrer Shafts to Motor Shaft

    PTFE Retainers, Used to prevent the shaft from slipping and damaging flasks. Also inhibits contaminants from entering flask.

    Starting at: $95.83

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