Technical Data:
Product: Universal Holder (Screw Clamp)
Stem: 0.25 inch DIA. stem
Thread: M7.4 x 0.5

Application:
Used to mount a dial test indicator in a machine-tool spindle for aligning a spindle axis with a workpiece feature such as a hole center, or a machine axis with an edge. Also gives protection against accidental impacts on the indicator.

Dimensions:
Body diameter: Dia.15 mm
Shank diameter: Dia.6 mm (0/-0.03 mm)
Length: 57 mm
Overall reference length: 81 mm
Angle: 60 deg
Other drawing dimension: 4 mm