Individual Plug Gages - ZZ, Z, X, XX Tolerances

Class X (.000040") - Individual Plug Gages - Inch
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More Info: Class X (.000040") - Individual Plug Gages - Inch
Class X (.00004",)Roundness within .000020", 2 Micr Inch finish or better. All Pins .060" and Larger are Laser Marked with Size, Serial No. and Tolerance Direction. Materia 52100 Tool Steel hardened to 60-62 RC Made In The USA