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Specification

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Code Taper Remark Threads per inch Inspection Elements
6253-N1 1:16 can calibrate 4 1/2"~13 3/8" buttress internal thread gauge 5 buttress tooth width
6253-W1 1:16 can calibrate 4 1/2"~13 3/8" buttress external thread gauge 5 buttress tooth width
6253-N2 1:12 can calibrate ≥16" buttress internal thread gauge 5 buttress tooth width
6253-W2 1:12 can calibrate ≥16" buttress external thread gauge 5 buttress tooth width

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