HAIR SPRING
Item
Materials
specifications
Hardness
Usage
HAIR
SPRING
NI-ALLOY-STEEL
PHOSPHOR
BRONZE
Thicknes (mm)
0.03-
Width (mm)
0.25-1.5
(AGEING)
Speed Meter, Table Clock, Pressure Meter, Precision Circuit, Indicator, Etc.
¡@
