The disk micrometer is designed to easily measure root tangent length of spur gears and helical gears.
Non‐rotating spindle eliminates torque on workpiece.
With standard bar except 0‐15mm, 0 ‐.6", 0‐25mm, 0‐1", 0‐300mm & 0‐1.2" model
Speedy spindle feed of 10mm/rev. (Quickmike type).
Diameter of measuring disk: 20mm/.787"
With ratchet stop for constant force.
Supplied in fitted plastic case.