The Starrett® 642 top reading dial depth gage uses the back-plunger indicator to provide an upward-facing dial for easier readout. The operator selects the extension and contact point required, zeros the tool on a master and then reads any deviation of the work directly on the dial.
Starrett® Dial Depth Gage, Top Reading, Series: 642, 0 to 8.6 in, +/-0.001 in Accuracy, Graduations: 0.001 in, 4 in Base Length, Steel
|Measuring Range||:||0 to 8.6 in|
|Base Length||:||4 in|