Linear Motion Bearing Shaft Diameter 20mm Length 406mm 45# Steel Shaft for Chrome Plated for Hardware, Mould, Mechanical Drive

Description

Specifications: Material: bearing steel,GCr15 Surface hard-thickness:0.8u~3mm Hardness:HRC602 Outer diameter:20mm or 0.787 inch Length:406mm or 15.984252 Package included: 1×Cylinder Liner Linear Rail Shaft Optical Axis(If you need other specs and length,pls contact me freely,thank you) Note:The color of the item may be a little longer.