Chromed Steel 45# Round Bar Ø5-10mm Hardened Rod Rail Linear Shaft Optical Axis

Name: 45# Steel Round Bar, Chrome Plated Hardness: 50-55 degrees Material: 45# steel Surface finishment: 0.3-0.5 Straightness: 0.15/1000mm Chrome Plated thickness: 0.02-0.03 Roundness:0.01

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