Description
BOLA screw connection caps GL 14 with a 9,2 mm bore are compact knurled screw caps for GL-threaded laboratory glassware and small vessels. Produced from thermoplastic polyester (PBTP), they offer a firm grip and a defined central opening for tubing, sensors or other accessories. The GL 14 thread matches common small laboratory bottles and fittings, while the 9,2 mm bore supports neat feed-through connections in analytical and preparative setups. Each pack contains 5 pc(s) with a net weight of 0,005 kg per piece, making the set convenient for equipping multiple lines or spare positions. These connection caps from manufacturer Bohlender are suited to everyday laboratory work where a lightweight, grippy screw interface is preferred. The knurled exterior aids secure tightening and release, including when gloves are worn. Ideal for research, teaching and quality-control laboratories that need reliable GL 14 screw connection components in thermoplastic polyester for flexible fluid or sample handling arrangements.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 5 pc(s)
- Material: Thermoplastic polyester (PBTP)
- Thread size: GL 14
- Bore diameter: 9,2 mm
- Design: Knurled screw cap with bore
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Questions about BOLA Screw Caps with Aperture, GL 14, Ø 9,2 mm PBTP
What is this article?
BOLA Screw Caps with Aperture, GL 14, Ø 9,2 mm PBTP 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.
How does ordering and shipping work?
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.

