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Material: CK45, 2Cr13, 4140, JIS45C, 40Cr, 42CrMo
Diameter: 6-255mm
Standard Length: 3-6M
Roughness: Ra <=0.2μm
Straightness: <=0.2/1000
Diameter tolerance: ISO f7/h8/g6
Roundness: Tolerance x 1/2
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