Common Shapes and Size Specifications of Metal Tags

Custom aluminum QR code and barcode metal tags for asset tracking
What Are Metal Tags and Their Main Applications?
20/11/2025

Common Shapes and Size Specifications of Metal Tags

Custom aluminum barcode metal asset tags with adhesive or hole mounting

Custom aluminum barcode metal asset tags with adhesive or hole mounting Custom aluminum barcode metal asset tags with adhesive or hole mounting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Common Shapes and Size Specifications of Metal Tags

Metal tags are essential for durable identification, tracking, and labeling across many industries. One important aspect of selecting the right metal tag is understanding the common shapes and size specifications available. The shape and size affect not only the visual appeal but also the functionality and durability of the tag in different applications.

In this article, we will cover the most popular shapes and standard size ranges of metal tags to help you make an informed decision.


🔷 Common Shapes of Metal Tags

1. Rectangular Tags

The most widely used shape, rectangular tags offer ample space for engraving or printing information such as serial numbers, barcodes, and logos. They fit well on equipment surfaces, machinery, and inventory items.

2. Square Tags

Square tags are compact and suitable for applications where space is limited but clear identification is required. They are often used for asset tags and tool identification.

3. Round (Circular) Tags

Round metal tags are popular for their aesthetic appeal and ease of handling. They are commonly used in livestock identification, key tags, and decorative labels.

4. Oval Tags

Oval tags offer a softer, more elegant shape that works well for branding and product labeling. They provide a balance between space and style, often used in jewelry, fashion, or premium product tags.

5. Custom Shapes

Many manufacturers offer custom shapes tailored to specific branding or application needs. Examples include logos, animal tags, and unique industrial markers.


📏 Size Specifications of Metal Tags

Metal tags come in various sizes depending on their intended use. Here are some common size ranges:

Shape Typical Size Range Common Uses
Rectangular 20mm x 40mm to 50mm x 100mm Equipment tags, asset identification
Square 25mm x 25mm to 50mm x 50mm Tool tags, inventory control
Round 25mm to 60mm diameter Livestock tags, key tags
Oval 30mm x 50mm to 50mm x 80mm Jewelry tags, branding labels

Additional Considerations:

  • Thickness usually ranges from 0.3mm to 2mm depending on durability requirements.

  • Hole diameters for attaching tags vary, commonly 3mm to 6mm.

  • Special finishes such as anodizing, brushed metal, or painted coatings affect the final dimensions slightly.


🛠️ Choosing the Right Shape and Size

  • Functionality: Consider how the tag will be attached and viewed. Large tags are easier to read but may not fit tight spaces.

  • Durability: Thicker and larger tags tend to be more durable but add weight.

  • Branding: Custom shapes may reinforce brand identity but could increase cost and lead times.

  • Compliance: Some industries require specific tag dimensions for safety or regulatory reasons.


📌 Conclusion

Understanding the common shapes and sizes of metal tags is vital for selecting the right product for your identification needs. Whether you require durable asset tags, livestock markers, or elegant branding labels, choosing the correct shape and size enhances both functionality and aesthetics.

If you want assistance customizing metal tags to your exact specifications, feel free to reach out for expert advice and solutions.