Product: Round steel shaft Ø 30 mm, hardened and ground; smooth rail guide; brand not specified. Package contains: 1 x Round steel shaft Ø 30 mm. Hardness and finish: high surface hardness for wear resistance; low roughness reduces friction and noise. Precision features: depth of hardening, parallelism, roundness and rectilinearity for linear movement. Compatibility: suitable for linear motion systems on 3D printers and small CNC machines such as cutters, pantographs, lasers. Standards: UNI EN 10204 3.1, ISO 486; diameter tolerance h6. .
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