Description
Stainless steel double universal joint, Ø 8 mm, for metal shafts is a durable connecting element built to compensate for angular or axial misalignment between a stirrer drive and the stirring shaft. With an outer diameter of 8 mm and a maximum torque rating of 3,4 Nm, it ensures effective power transfer while reducing mechanical stress caused by imperfect alignment. The stainless steel construction is specified for metal shafts, making the joint appropriate for laboratory and process stirring systems that demand strength and chemical resistance. Its double universal joint geometry absorbs both angle and axis offset, supporting smooth continuous operation in coupled stirrer arrangements. Supplied as one piece with a net weight of 0,142 kg, this component (Rettberg) serves as a practical stirrer coupling solution for metal-shaft applications. It integrates readily into quick-connect and standard coupling setups where a compact, high-capacity flexible link is required between the drive unit and the shaft without rigid fixation.
This article is part of Stirring shafts, propellers & impellers, in Stirring, shaking & mixing.
Key features
- Pack size: 1 pc(s)
- Outer diameter: 8 mm
- Material: Stainless steel
- Max. torque: 3,4 Nm
- Product type: Connecting element
- Technical Information Sheet:
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Questions about Stirrer coupling clamp, Ø 8 mm, double universal joint, stainless steel,
What is this article?
Stirrer coupling clamp, Ø 8 mm, double universal joint, stainless steel, is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Arbres d'agitation, hélices & turbines, inside Agitation, secouage & mélange, in Instruments de laboratoire.
A shaft, a propeller or an impeller is the wetted end of an overhead stirrer. The diameter and the pitch decide whether the liquid turns over. The material, stainless steel or PTFE, decides what the liquid may be. The chuck size has to match the stirrer.
Stirring keeps a mixture uniform or helps a solid dissolve. A magnetic stirrer spins a bar inside a closed vessel. An overhead stirrer drives a shaft when the liquid is viscous or the volume is large. A vortex mixer agitates a tube. A shaker moves a whole rack or a plate. The shape of the impeller and the speed decide whether the liquid turns over or merely spins. The vessels being stirred are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Agitation, secouage & mélange. The sub-category is Arbres d'agitation, hélices & turbines. The catalogue is Instruments de laboratoire.
Shelves beside this one are Barreaux d'agitation magnétiques, Agitateurs magnétiques, Accessoires d'agitation & de mélange, Homogénéiseurs & disperseurs, Agitateurs, basculeurs & rotateurs, Agitateurs suspendus and Mélangeurs vortex.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.