Mahr Small Bore Probe EGH-1021
for Mahr/Federal Pocket Surf Portable Surface Roughness Gage
For gaging small bores (3,2 mm/ .125" minimum I.D.) up to a depth of 19 mm/ .75".
With a 90° conical diamond stylus, 10 μm/ .0004" radius.
Small Bore Probe
