The Rotary Screw Fixture can be purchased in the Micro-Vu online store using item # C9340445.
The Rotary Screw Fixture is generally used to hold screws in place for vision inspection.
This fixture can be mounted on a rotary device RSD-60 or in the HF5 machine.
Overall Dimensions:
The recommended maximum outer diameter to measure on the larger groove is 6 mm: