Description
BOLA screw connection caps EX are black laboratory screw caps designed for GL 14 threads and fitted with a central bore of 9,2 mm diameter. Made from conductive PPS-EX, they combine chemical resistance with electrical conductivity for applications where electrostatic discharge control is relevant around laboratory tubing and vessel connections. Each cap features a grippy knurled exterior for secure hand tightening on matching GL threads, while the bore allows passage of tubing, probes or other inserts through the closure. The EX designation and conductive polymer construction support use in setups that require dissipative materials rather than standard insulating plastics. These caps from manufacturer Bohlender are supplied in a pack of five pieces, with a net weight of 0,0039 kg per unit context, making them practical spares for GL 14 connection points on bottles, reactors or transfer lines. Dimensions are specified for thread GL 14 and bore diameter 9,2 mm, ensuring straightforward selection against existing GL glassware and fittings. Suitable for laboratory material workflows that need reliable, conductive screw closures with a defined through-bore.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 5 pc(s)
- Thread: GL 14
- Bore diameter: 9,2 mm
- Colour: black
- Material: conductive PPS-EX
- Design: knurled screw cap with bore
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Questions about BOLA Screw Caps with Aperture EX, GL 14, Ø 9,2 mm black, made of conductive PPS-
What is this article?
BOLA Screw Caps with Aperture EX, GL 14, Ø 9,2 mm black, made of conductive PPS- is the article on this page. Luminix Health distributes Bohlender for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Labware.
A screw cap has a thread and a liner. The thread has to match the bottle. The liner has to survive the liquid: a pulp liner fails in a solvent that a PTFE-faced liner ignores. The colour of the cap is not the specification.
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 Screw caps & closures. The catalogue is Labware.
Shelves beside this one are Rubber & silicone stoppers, Ground-joint glass stoppers, Lids & seals 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.
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Luminix Health distributes this article from the heart of Europe. Delivery across Europe, two to five days when 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.