A 214 tinplate beer can top end is a metal closure identified by a nominal size code; the code alone does not confirm that it will fit a particular can body or seaming line. In the common fractional-inch naming convention, “214” represents 2 + 14/16 inches, or 2.875 inches (about 73.0 mm) as a nominal diameter reference. To confirm compatibility, I recommend checking the end drawing, can-body dimensions, double-seam requirements, and equipment specifications together before ordering.
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This guide is for beverage-can manufacturers, brand owners, packaging buyers, and importers evaluating 214 ends for a beer can project. I explain what to verify, how to match the end to the can and production line, and what information to share with a supplier. Actual dimensions and tolerances should always be confirmed against the agreed product drawing and customer specification.
A beer can top end is the formed metal component attached to the can body during filling and closing. Its perimeter forms part of the double seam, while its scored opening panel and attached tab allow the consumer to open the package. Tinplate is steel coated with tin; the material and any additional coating must suit the product, process, and packaging specification.
The “214” label generally refers to a nominal size convention, rather than every detailed feature of the end. In that convention, 2 + 14/16 inches equals 2.875 inches, which converts to approximately 73.0 mm. This is a reference value, not a substitute for the end’s actual outside dimensions, profile, or specified manufacturing tolerances.
Start with the approved end drawing or a verified sample. Confirm the dimensions that define the end’s fit with the can body and seaming tooling, including the relevant outside diameter, curl, countersink, and profile details. The names and measurement points used for these features can vary between specifications, so both buyer and supplier should work from the same drawing revision.
Do not assume two ends are interchangeable because both are described as 214. Small differences in geometry can affect feeding, chuck engagement, or seam formation on a specific line. Ask the can maker or equipment team to identify the controlling dimensions and acceptable tolerances before production begins.
The opening design should match the intended user experience and the can’s technical requirements. Confirm the score configuration, tab style, opening direction, and any requirements for opening force or retained panel behavior with the responsible packaging or quality team. These characteristics should be defined by an approved specification rather than inferred from a product photograph.
Tab appearance and functionality also need to be considered in the context of filling, handling, and distribution. If the package includes specific brand artwork or color requirements, share the applicable artwork files and color references during the quotation process. Confirm print coverage and coating compatibility with the supplier before approving production.
Request the material specification relevant to your application, including the agreed tinplate grade and thickness if these are defined by the project. I do not recommend selecting material solely by a general product description, because the required construction depends on the end design, can system, filling process, and customer requirements. Where internal or external coatings are specified, verify their suitability with the relevant technical stakeholders.
Beer formulation, filling conditions, storage, and distribution can affect packaging requirements. Share the product and process information that your packaging team considers relevant, and ask the supplier to confirm what documentation or evaluation is available for the proposed construction. Avoid treating a coating description as proof of suitability without reviewing the project specification.
Ask the can-body supplier to confirm the intended end size and interface. Compare the approved top-end drawing with the can-body specification, and resolve any differences before placing a production order. If you are changing suppliers, tooling, or can design, treat compatibility as something to verify again rather than assuming the previous setup transfers unchanged.
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The end must work with the seaming chuck, rolls, and setup used on the production line. A conventional double seam interlocks the end and body hooks and typically contains five layers of metal at the seam; the exact seam measurements and acceptance limits must come from the applicable can and equipment specification. A qualified production or quality team should assess seam setup and results using its established procedures.
Ask which end profile and dimensional characteristics the seamer requires, and whether the tooling is configured for the proposed end. A nominal size match does not by itself establish that a changeover is safe or production-ready. Any line trial should follow the plant’s normal controls and approval process.
Review opening performance and end handling with the relevant technical team. Evaluation may include feeding, tab position, opening behavior, and seam inspection, but acceptance criteria should be defined by the buyer and can system rather than invented for a quotation. Keep the trial records and approved sample linked to the final drawing revision.
For a new can format, begin with the can maker’s recommended end specification and confirm whether 214 is the required nominal size. For a replacement purchase, provide the current drawing, sample identification, and details of the existing production setup. For a packaging redesign, coordinate the end, body, filling process, artwork, and consumer-opening requirements as one system.
Before comparing offers, evaluate the full specification rather than unit price alone. A useful comparison includes material and coating details, dimensional tolerances, opening design, print requirements, packing method, inspection documentation, and delivery terms. If any of these points are unspecified, ask for clarification so competing quotations refer to the same product.
Price and lead time depend on the confirmed specification, order volume, customization, production planning, packing, and shipping arrangements. Minimum order quantity can also vary by product configuration and production conditions. I recommend requesting these terms directly against your final drawing and destination details instead of relying on a generic estimate.
For an accurate inquiry, include your forecast or target order quantity, required delivery schedule, destination, and whether you need standard or customized printing. Ask the supplier to state quotation validity, sample arrangements, production lead time, and any conditions that could affect the schedule. This makes the offer easier to compare and reduces the risk of assumptions during order confirmation.
At Wanhua, we encourage buyers to share the can-end drawing and intended application before requesting a final quotation. This allows us to review the stated requirements, identify open compatibility questions, and discuss product or service options relevant to the inquiry. Please specify any buyer-required documents or approval steps so they can be addressed during evaluation.
A 214 tinplate beer can top end can be a suitable option when its actual dimensions, end profile, opening design, material, and seam interface match the intended can and production line. The 214 code provides a nominal size reference—2.875 inches, or approximately 73.0 mm, under the common fractional-inch convention—but it does not guarantee interchangeability. The final decision should be based on the approved specification and compatibility review.
As a next step, gather the can-body and end drawings, seamer requirements, material and coating preferences, artwork needs, order quantity, and delivery location. Send these details to your prospective supplier and ask for a drawing-based review, quotation, and sample or trial plan where appropriate. Contact Wanhua with your project requirements to discuss the next steps for evaluating 214 tinplate beer can top ends.
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