Cork Stopper Sizes, Dimensions & FAQ 
Cork stoppers are highly regarded for their effectiveness as closures in various industries, particularly in wine and spirits packaging. Cork has been used since around the 17th century to protect bottled wine and spirits; due to its natural physical properties, cork stoppers play a key role in preservation and protection from environmental elements. Later in this blog, we explore the benefits of cork more, however, if you are just getting started and need guidance on what cork sizes you need for your line of products; we’ve created the guide below.
What are the Sizes of Corks?
Different products require different cork sizes to ensure a proper seal. Here, we detail the various cork sizes available and their corresponding measurements in millimeters (mm). Check out our comprehensive table below; this is intended as a helpful guide, if you need further assistance reach out to our packaging consultants.
| Cork Size Number |
Top Diameter |
Middle Diameter | Bottom Diameter |
| 000 | 6.3 | 5.2 | 3.9 |
| 00 | 7.9 | 6.5 | 5.6 |
| 0 | 9.5 | 8.5 | 7.1 |
| 2 | 12.7 | 10.6 | 9.5 |
| 3 | 14.2 | 12.5 | 10.7 |
| 4 | 15.8 | 13.6 | 11.9 |
| 5 | 17.4 | 15.0 | 13.5 |
| 6 | 19.0 | 16.2 | 14.7 |
| 7 | 20.6 | 17.4 | 15.9 |
| 8 | 22.2 | 19.3 | 17.1 |
| 9 | 23.8 | 20.0 | 18.7 |
| 10 | 25.4 | 21.2 | 19.4 |
| 11 | 26.9 | 23.5 | 21.0 |
| 12 | 28.5 | 25.6 | 22.6 |
| 18 | 38.1 | 35.4 | 31.0 |
How to Size the Bottle
Choosing the right cork size starts with understanding how to measure your bottle or vial effectively. To ensure a snug fit and optimal sealing capability, you need to obtain the inner diameter of the bottle, which is not the same diameter as the neck finish.
Our Cork Stoppers & Closures
Explore our range of cork stoppers and closures, designed to meet diverse packaging requirements. We other three different types of cork ranging from natural or synthetic to specialty bar top closures.
Natural Cork Stoppers:
Ideal for wine bottles and other beverage containers, offering a traditional and elegant closure solution.
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Natural Tapered Cork Stopper for Glass Vialsprice text as low as Special Order Item. Minimums apply.
Synthetic Cork Stoppers:
A modern alternative to natural cork, providing consistent sealing performance and durability.
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Black Synthetic Bar Top Closure - 19.6 mm Synthetic Cork Shankprice text as low as Starting at $0.24 Piece -
Walnut Wood Varnish Bar Top Closure - 19.5 mm Synthetic Shankprice text as low as Starting at $0.56 Piece -
Glossy Dark Wood Varnish Bar Top Closure - 22.5 mm Synthetic Shankprice text as low as Starting at $0.76 Piece -
Red Mahogany Wood Varnish Bar Top Closure - 19.5 mm Synthetic Shankprice text as low as Starting at $0.53 Piece
Bar Top Cork Closures:
A modern and elegeant solution for wine and spirit bottles.
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Black Bar Top Closure - 33 mm Diameter - 22.8 mm Shankprice text as low as Starting at $0.28 Piece -
Natural Wood Varnish Bar Top Closure - 19.5 mm Synthetic Cork Shankprice text as low as Starting at $0.49 Piece -
Silver Synthetic Bar Top Closure - 19.5 mm Synthetic Cork Shankprice text as low as Starting at $0.43 Piece -
Café Brown Varnish Wood Bar Top Closure - 19.5 mm Synthetic Cork Shankprice text as low as Starting at $0.52 Piece
Want to browse some bottle options that would look great with one of these stoppers? TricorBraun has you covered with a great selection of quality-made corked glass bottles and jars to choose from.
As you consider cork stoppers and closures for pairing with your choice of packaging, our packaging consultants are here to assist you. Contact us for expert guidance tailored to your specific packaging challenges.
TALK TO A PACKAGING CONSULTANT
Whether you’re looking for a stock package or a groundbreaking custom design, TricorBraun’s proven process will guide your packaging decisions from napkin sketch all the way to the retail shelf.
