Vacuum devices, vacuum chambers, FPD production equipment,
semiconductor devices, and electron microscopes
The ventilation hole easily releases gas trapped in the screw holes of equipment and machines, and supports vacuum drawing of vacuum devices.
The flat head does not protrude after tightening.
Cleanroom wash and cleanroom packing are completed.
Min.: 3 mm (0.12 in)
Max.: 8 mm (0.31 in)
Min.: 5 mm (0.2 in)
Max.: 30 mm (1.18 in)