Number & Letter Punch

Number and letter punches are hand tools used for marking letters, numbers, and symbols on metal, plastic, leather, and other materials. They are commonly used in industries such as metalworking, woodworking, and leatherworking for marking and identification purposes.

Number punches are designed to mark numbers on materials, ranging from 0 to 9. Letter punches, on the other hand, are designed to mark letters of the alphabet, both upper and lowercase. Some letter punches may also include symbols or punctuation marks.

The punches are typically made of high-quality tool steel, which is hardened and tempered to provide durability and long-lasting performance. They come in a range of sizes, from small to large, to suit different marking needs. The size of the punch is usually determined by the height of the character being stamped.

Number and letter punches are available in both individual characters and sets. Sets usually include all the letters of the alphabet, numbers, and a selection of commonly used symbols and punctuation marks. They may also come with a storage case to keep the punches organized and easily accessible.

To use number and letter punches, the material to be marked is first positioned on a hard surface, such as a steel block, to provide support. The appropriate punch is then selected, positioned over the material, and struck with a hammer or mallet to create the mark. It is important to use a consistent amount of force when striking the punch to ensure that the mark is clear and legible.

The size of number and letter punches is typically determined by the height of the character being stamped. The following is a general size chart for number and letter punches:

  • 1/16 inch (1.6mm)
  • 3/32 inch (2.4mm)
  • 1/8 inch (3.2mm)
  • 5/32 inch (4.0mm)
  • 3/16 inch (4.8mm)
  • 7/32 inch (5.6mm)
  • 1/4 inch (6.4mm)
  • 5/16 inch (7.9mm)
  • 3/8 inch (9.5mm)
  • 7/16 inch (11.1mm)
  • 1/2 inch (12.7mm)

This size chart is not exhaustive and may vary depending on the manufacturer and the specific set of punches. It is important to select the appropriate size for the character being stamped to ensure that the mark is clear and legible.

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