Alpha & Numeric Type Character Sizes (Excluding Sequential Numbering)

Character Size: Maximum characters per inch horizontal: Characters per inch vertical:
3/64″ 24 14
1/16” 14 10
3/32” 12 8
1/8” 10 6
3/16” 8 5
1/4” 7 3
5/16″ 4 2
1/2” 2.67 1

Our stamped letters are CAPS ONLY. If you would like Uppercase and Lowercase lettering, we do offer this with our laser etched products. Size and shape of tag, number and location of holes governs the stamping and numbering area.

(Stamped 1/2″ sequential numbers not available on Stainless Steel or Brass)

This is an example of a section of black aluminum stamped with the different numerical character sizes, these sizes are also the same for alphabetical characters. Number styles may vary.

stamping sizes

This is a yellow tag stamped and black paint filled, showing all the alpha characters (caps only) available in each of these sizes. Also, some special punctuation characters are available as shown.

alpha stamping


The photo to the right is an example of how tags may look based on the quantity and size of the characters.

We have the flexibility to create a tag layout that can meet your needs.
Try to keep the layout simple with only the necessary information.

We also recommend abbreviating where possible.

stamped tags

1″ x 2 1/8″ (Style 243)
Shown with Standard 1/8″ Holes
Plain Aluminum


The tags to the right are examples of excessive stamping on tags and are charged based on the complexity of the layout. If you are using excessive stamping, we will apply an additional “Make Ready” charge.

excessive stamping

Left: 1 1/4″ x 2 1/2″ (Style 141) — Shown with Standard 1/8″ Holes — Stainless Steel
Right: 1 1/2″ x 3″ (Style 14) — Shown with Standard 1/8″ Holes — Red Aluminum


A 3″ x 5″ tag is shown here with 1/2″ type. Great for signage!

large stamped text

3″ x 5″ (Style 14)
Shown with Standard 1/8″ Holes
UV Stable Black Aluminum

tag with big letters

1 1/2″ x 3″ (Style 14)
Gold Aluminum
Shown with 3/16″ Holes
1/2″ Type