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Hard-Anodized Precision Aluminum Shafting Are Used For Ball Bearing Systems.
These shafts offer a hardness of 75 HB, roundness of 0.0004 and a straightness of 0.004/ft. Meets a tolerance rating of ISO h9-h11. Hard anodized material features a thickness of 0.0016", a surface hardness of 450-550 HV approx. (60 RC), and a roughness of RMS = 4-20. Specific electrical resistance is 4 x 10Sup>11 Ohm mm2/m and a chemical resistance of 2< ph<9.