3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
Insize 2443-E6, BORE GAGE, .177-.236″, 6940561981070
$5,485.39
Accuracy (without dial comparator) 157uin
Repeatability (without dial comparator) 39uin
Applicable for .001″ ir .0001″ or .00005″ graduation dial indicators
Carbide contact points
Optional accessory: setting ring, bore gage setter
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