INSIZE 2237-5E Internal Thread Crest Diameter Measuring Instrument (2 3/8-5 1/2“ / 60.325-139.7mm; 0.0005”)

Measure the crest diameter of internal thread with nominal diameter larger than 2 3/8” (60.325mm) and less than 20”(508mm)

Range(L): 2 3/8-5 1/2“ / 60.325-139.7mm

Dial indicator stroke: 0.25”

Dial indicator graduation: 0.0005”

Accuracy: 0.0008”

L: 260mm

A1: 112mm

A2: 91mm

Optional accessory:

- Height standard and zero standard block