BEMONOC 2PCS Linear Motion Bearing Shaft Diameter 8mm 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:8mm or 0.31 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 item may be a little longer, because transportation problem, we can't guarantee 100% is straight, Pls consider carefully before order!