3M 9450, Disc Pad Holder 917, 7 in x 5/16 in x 3/8 in 5/8-11 Internal, 7000028549 
3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500 
Insize 2236-20, EXTERNAL THREAD CREST DIAMETER MEASURING INSTRUMENT, 2 3/8″-20″/60.325-508mm, 6928640384653
$5,017.77
Dial indicator graduation .0005″
Accuracy .002″
Measure the crest diameter of external thread with nominal diameter larger than 2 3/8″(60.325mm) and less than 20″ (508mm)
Optional accessory: height standard and zero standard block
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