Stirring Shaft, 19mm, Polished, Chem-Stir, 1000mL-2L Flasks, 555mm OAL, Complete with PTFE Nut and Bolt, Each

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Stirring Shaft, 19mm, Polished, Chem-Stir™, 1000mL-2L Flasks, 555mm OAL, Complete with PTFE Nut and Bolt, A 19mm OD precision ground and polished stirrer shaft with our patented Chem-Stir™ blade attachment system. Shaft (C) has been manufactured with a ring at the lower end to permit attachment of the blade (B) with a PTFE nut (D) and bolt (A). Shaft is supplied complete with PTFE nut and bolt set. For use with PTFE bearings such as the CG-2086. Polished shaft will not cause abrasion to the sealing surfaces of the PTFE bearing, thereby allowing a vacuum tight seal. Uses the same PTFE nut and bolt blade attachment method as the CG-2084 ground shaft