Description
Twist-off caps with thread TO 66 are closure accessories for laboratory containers that use the corresponding twist-off thread. They complete wide mouth jar and bottle assemblies where a matching TO 66 lid is required for sealing during storage, transport within the lab or short-term holding of contents. The pack contains 12 pc(s), allowing several vessels to be fitted or spare caps to be kept on hand. Pack weight is 0,124 kg. These caps sit in the labware range for seals, hose connectors and accessories alongside containers, bottles and related glassware. From manufacturer ROTH SELECTION, the TO 66 twist-off caps support standardised closure of compatible twist-off jars used in research, quality control and general laboratory environments. Select them when replacing lids or outfitting twist-off wide mouth jars that specify thread TO 66, ensuring the container system remains closed and practical for everyday bench and storage use without changing the established twist-off interface.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 12 pc(s)
- Product type: Twist-off cap
- Thread: TO 66
- Weight: 0,124 kg
- Closure type: Twist-off
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Questions about Twist-off caps, thread TO 66, 12 unit(s)
What is this article?
Twist-off caps, thread TO 66, 12 unit(s) is the article on this page. Luminix Health distributes Carl Roth 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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.

