" STR " C-391 STARRETT

SATIN CHROME CENTER GAGES

Extremely handy for use in grinding and setting screw cutting tools

American National or U.S. 60° standards

Very useful for finding number of threads per inch through graduations in 14ths, 20ths, 24ths, and 32nds of an inch

Gage also has a table of double depths of threads for determining size of tap drills

Made of spring-tempered steel with satin chrome finish

Ground gaging surfaces

R 03212017 EH