Stamping Dies: Letters, Numbers, & Symbols

The D.O.T. requires 1/4” lettering for requalification dating of propane cylinders. New dates and symbols can be stamped on cylinders with 1/4” or 3/8” lettering.

1/4" Numbers, Letters & Symbols
1/4” Single numbers 0-9
1/4” Number set 0-9
1/4” Double digit numbers 10-99
1/4” Single letters A-Z
1/4” Letter set includes A-Z, period
1/4” * (asterisk) or + (plus) symbols



3/8" Numbers, Letters & Symbols
3/8” Single numbers 0-9
3/8” Number set 0-9
3/8” Double digit numbers 10-99
3/8” Single letters A-Z
3/8” Letter set includes A-Z, period
3/8” * (asterisk) or + (plus) symbols



Specialty & Custom Stamps Available