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Main material:S45C/GCR15Sizes:dia 16mm--100mm(we can do other model according to your requiements.
Length:300mm--6000mmHardness:HRC30+2/HRC50
hollow tube is widely used in the automatic transmission device .we can produce hollow shaft according to your master drawing .we are a company which produces various kinds of bearing such as ball lead screw ,linear rail ,fixed side support unit series linear bearing and etcs .
Model typel of tube:16mm-100mm
Straightness: 0.1/1000
Roundness:0.01mm
Thickness of rail:0.02mm