Chromium plated linear hard optical shaft Chromium plated linear optical shaft is in the ordinary linear optical shaft on the basis of a layer of hard chromium, also known as the bearing rod, can be applied to easy to rust environment or bad environment This shaft is widely used in industrial robots, automatic sliding system device moving part.
GCR15 material linear chrome plated optical shaft may be called SUJ2 material linear chrome plated optical shaft. Can only do chrome plated linear hard optical shaft, more durable than 45# material, but also more expensive,
