Description
BOLA Standard Ground Joint Stirrer Seals NS 29/32 for Ø 6 mm stirrer shafts are PTFE laboratory fittings for sealing stirring assemblies in ground-joint glassware. The ground joint core is made of polytetrafluoroethylene with raised sealing rings that reduce the contact area in the joint socket, so the core releases more easily and the risk of glass breakage is lowered during everyday handling. A specialised PTFE seal with an FKM O-ring delivers controlled sealing against the stirrer shaft when pressure is applied by the GL screw cap made of PPS. Key dimensions are a European-standard NS 29/32 core, suitability for 6 mm diameter shafts, an overall length of approximately 72 mm and a GL 18 cap thread. Offered as one piece with a net weight of 0,09 kg, this component from manufacturer Bohlender suits chemical and process laboratory stirring setups that need chemical resistance together with a secure shaft seal. The PTFE body and compact GL-capped design keep the assembly practical on the bench while maintaining reliable closure of the joint.
This article is part of Lids & seals, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Material: Polytetrafluoroethylene (PTFE)
- Joint size: NS 29/32
- Shaft diameter: 6 mm
- Cap thread: GL 18
- Seal material: PTFE/FKM
- Technical Information Sheet:
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Questions about BOLA Stirrer Bearings, NS 29/32 Ø 6 mm GL 18 PTFE, PTFE/FKM gasket
What is this article?
BOLA Stirrer Bearings, NS 29/32 Ø 6 mm GL 18 PTFE, PTFE/FKM gasket is the article on this page. Luminix Health distributes Bohlender for laboratory use. It sits in Lids & seals, inside Stoppers, caps & closures, in Labware.
Lids and seals are the covers of dishes, jars and tanks: a snap lid, a sealing film, a gasket. The seal is doing the work. A lid that only rests on the rim does not contain a volatile liquid.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Lids & seals. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Rubber & silicone stoppers, Ground-joint glass stoppers and Closures (other).
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.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Delivery across the EU, two to five days if in stock. 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.
