214 Beer Can Bottom Ends: Specifications and Compatibility Guide

A 214 beer can bottom end is a can-end size designation, but the code alone is not enough to confirm that an end will fit your can body or seaming equipment. Buyers should verify the supplier’s dimensional drawing, body-end profile, metal and coating requirements, and compatibility with the seamer before placing a production order. If the designation follows the fractional-inch convention, 214 represents a nominal diameter of 2 14/16 in, or 2.875 in (approximately 73.0 mm); treat this as a reference, not a confirmed fit dimension. This guide explains what to check and how to prepare a useful supplier inquiry.

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Who This Guide Is For

This guide is intended for breweries, beverage can manufacturers, packaging distributors, and sourcing teams evaluating 214 beer can bottom ends. It is particularly useful when you are matching ends to an existing body, qualifying a new packaging format, or comparing offers from multiple suppliers. It can also help purchasing and engineering teams identify the technical information needed before requesting a quotation.

End designations and naming conventions can vary across suppliers and markets. For that reason, we recommend confirming the actual drawing and interface dimensions rather than relying on the “214” label by itself. This is especially important when the end and can body come from different manufacturers.

What a Beer Can Bottom End Does

The bottom end closes the base of a can body through a mechanically formed double seam. That seam joins the end curl to the body flange, creating the closure between the components. The end must therefore match the body’s flange and the seaming setup, while also meeting the beverage packer’s requirements for handling, storage, and distribution.

Bottom ends are distinct from easy-open tops, even where some material or coating choices overlap. They are generally selected for their fit and performance within a can system rather than for consumer opening features. A bottom end that looks similar in diameter may still differ in profile, curl, countersink, or other details that affect seaming.

Specifications, Materials, and Options to Confirm

Dimensions and profile

Request a current technical drawing with the dimensions needed to confirm the interface between the end and your can body. Depending on the supplier’s drawing, relevant details may include nominal size, outside diameter, curl geometry, countersink, panel profile, and tolerances. Ask the supplier to identify which dimensions are critical for fit and which reference the end’s overall form.

The 2.875 in (73.0 mm) figure above is a nominal conversion only, based on the fractional-inch interpretation of 214. Since 1 in equals 25.4 mm, the conversion is straightforward, but a nominal designation does not define every manufacturing dimension. Use the supplier’s drawing and your can-body specification to establish the actual acceptance criteria.

Metal, coating, and sealing compound

Confirm the specified metal substrate and gauge with the supplier rather than assuming that all 214 ends use the same construction. Ask which internal and external coating options are available for your beverage, filling process, and storage conditions. The correct selection depends on the product and the full packaging system; request technical documentation for the exact proposed specification.

Also clarify the sealing-compound specification and its compatibility with your body and seaming process. Do not assume that a compound or coating suitable for one beverage, line, or body supplier is automatically suitable for another. Where regulatory or market requirements apply, identify them in the inquiry and request the relevant documentation for review.

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How to Match a 214 End to Your Can System

1. Confirm the can-body interface

Start with the can-body manufacturer’s drawing or written specification. Compare the body flange and other relevant interface details with the end drawing, and have your canmaker or seaming specialist review any differences. If you are replacing an existing end, provide its exact supplier reference and drawing revision where available.

2. Check the seamer and tooling

Ask your production or equipment team to verify that the proposed end is compatible with the seamer setup and tooling used on the line. The end’s nominal size does not, by itself, confirm compatibility with a particular chuck, roll, or operating setup. If the end is new to the line, agree on a controlled qualification plan with the relevant equipment and packaging specialists before committing to routine production.

3. Validate the complete package

Evaluate the end together with the body, coating, compound, filling process, and intended distribution conditions. Use your established quality procedures to inspect seam formation and package integrity; define acceptance limits with your technical team instead of adopting generic values from another can format. Keep the approved drawing, material specification, and sample identification linked to the purchase order.

Buyer Selection Framework

For an initial inquiry, send the intended 214 designation, can-body drawing, required material and finish, expected order quantity, destination, and target delivery schedule. If you do not have a drawing, share clear photographs and measured details of the current end, while noting that images alone cannot establish a production specification. Ask suppliers to state assumptions and identify any open technical questions in their quotation.

Pricing, MOQ, and Lead Time

The price of a 214 bottom end depends on the confirmed specification, order quantity, packaging, and delivery requirements. Minimum order quantity and lead time are supplier- and project-specific, so they should be confirmed in a written quotation rather than inferred from the size code. If sampling or qualification is required, ask whether it affects the schedule or commercial terms.

For a fair comparison, request quotations against the same drawing revision and delivery basis. Clarify whether quoted pricing includes the agreed coating and compound, how the ends are packed, and what documentation accompanies the order. A lower unit price is not a reliable comparison if the proposed material, specification, or shipment terms differ.

Supplier Evaluation Checklist

• Can the supplier provide a drawing for the exact 214 end being quoted?
• Are the material, coating, and compound clearly specified?
• Has compatibility with your can body and seaming setup been discussed?
• Are MOQ, lead time, packaging, and delivery terms stated in writing?
• Can the supplier explain its inspection documentation and traceability process?
• Is there a defined process for approving samples or specification changes?

Clear answers help you distinguish a technically supported offer from one based only on a size label. If a supplier cannot confirm a critical interface dimension, pause the order until the relevant drawing or measurement is reviewed. Documenting the agreed specification protects continuity when future orders are placed.

How Wanhua Can Support Your Sourcing Review

At Wanhua, we can review your 214 beer can bottom-end requirements and help clarify the information needed for a product and quotation assessment. Share your drawing or current specification, target quantity, application, and delivery destination so our team can check the request against the available product options. Where additional confirmation is needed, we will identify the open points rather than treating the nominal designation as a complete specification.

Key Takeaways and Next Steps

• A 214 designation is a useful starting point, not a complete compatibility guarantee.
• The fractional-inch interpretation of 214 gives a nominal 2.875 in (approximately 73.0 mm), but the supplier drawing must confirm actual dimensions.
• Match the end to the body flange, seamer setup, material, coating, and compound requirements.
• Compare quotations using the same drawing revision and confirm MOQ, lead time, and documentation in writing.

To move forward, gather your can-body specification and production requirements, then request a drawing-based review and quotation from your shortlisted supplier. If you are evaluating a 214 end for a new line or replacing an existing component, involve your packaging or seaming specialist before approving production quantities. Contact Wanhua with your requirements for a B2B sourcing discussion and specification review.