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1.shaft 3 series is our typical products.from 3 to 100 all we can produce and process.
2.the material have carbon(SCS440C) and bearing steel(GCR15) two normal,if need stainless or other material, tell me please.
3.hardness: 58-62
4.surface hard-thickness: 0.8-2.5mm
5.surface roughness: 0.8S-1.6S
6.straightness:80μm/1000mm
7.roundness: not over 3.0μm(Rmax)
shaft(round bar)3-1000L