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shop PC300-5 Komatsu Track Rollers For Excavator Bulldozer

The wheel body undergoes quenching, tempering, and medium - frequency surface quenching heat treatment processes to ensure its strength and wear - resistance. The surface hardness of the shaft is HRC52 - 60, and the depth of the hardened layer is 3 - 6 mm. For some PC300 track rollers, the surface hardness of the wheel body is HRC50 -…

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shop PC300-5 Komatsu Track Rollers For Excavator Bulldozer

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