LLC Instrument
Our factory specializes, basically, on release of technical, clock and instrument stones. Such as pyroceram, corund foot bearings, ruby, ceramic bushings, and also corund nozzle and another.

Watch impulse cylindric stone. ТУ 25-1895.0016-91

Черчеж Фото. Вид под микроскопом.

Stones is pressed into the wheel flange of the watch mechanism with mechanical drive and
it enters in turn into the anchor plug diverting it to the limit positions.
Material: Ruby-5

Stone typesize: D (+0,025)=0,74mm; L (-0,006)=0,35mm