Description
Replacement screw lock GL 14 is a spare securing component intended for hollow stopcocks, featuring NS 21,5 joint size and GL 14 thread. Supplied with a washer and rubber O-ring and produced from Ultradur, it delivers reliable mechanical retention in laboratory glassware systems. The unit has a net weight of 0,005 kg and is easy to fit when replacing worn or damaged locks on hollow plugs. Its design restores secure fastening and supports leak-tight performance during fluid transfer, titration or distillation procedures. Offered as a single piece from manufacturer Witeg, this accessory helps maintain the operational integrity of stopcock assemblies used in research and analytical laboratories. Compatible with matching GL 14 threaded hollow stopcocks, it provides consistent clamping force suited to routine chemical handling. Laboratories rely on such replacement parts to keep glass apparatus fully serviceable and to minimise downtime in experimental workflows requiring precise liquid or gas control.
This article is part of Grease, boiling stones & sealants, in Tools & accessories.
Key features
- Pack size: 1 pc
- Thread size: GL 14
- Joint size: NS 21,5
- Material: Ultradur
- Includes: washer and rubber O-ring
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Questions about Seperate screw-thread retaining nut GL14
What is this article?
Seperate screw-thread retaining nut GL14 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Grease, boiling stones & sealants, inside Tools & accessories, in Matériel de laboratoire.
Grease seals a ground joint. Boiling stones give a liquid a place to start boiling so it does not bump. A sealant does the same job as grease when grease would contaminate the product. They are small, and they decide whether a joint weeps.
The small tools of the bench are what the hand actually holds: a spatula for a powder, forceps for an object that must stay clean, a brush for a narrow neck, a desiccator when a dried sample must not take up water again. None of these reads a measurement. They keep the measurement possible. The apparatus around them is listed under ISO laboratory apparatus.
Which category should I open next?
The category is Tools & accessories. The sub-category is Grease, boiling stones & sealants. The catalogue is Matériel de laboratoire.
Shelves beside this one are Spatulas & spoons, Other lab tools & accessories, Lab furniture, trolleys & storage, Tweezers & forceps, Scissors, scalpels & dissecting instruments, Weighing boats, dishes & paper, Desiccators & desiccant, Timers, stopwatches & calculators, Stationery, books & lab notebooks, Brushes & cleaning tools, Stirring rods, spreaders & glass tools, Cutting & sealing tools and Gas handling & burners accessories.
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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.