1.Model types of shaft:SF6-SF80 2.Precision:g6 3.Material:S45C, ... plated 5.hardness HRC58-64 1.We produce linear shaft with diameter 6mm-80mm,maximum length up to 6000mm. ... show as following picture)3.We can maching linear shaft ends sush as threading,coaxial holes drilled and tapped, ... radial holes drilled and tapped,reduced shaft diameter etc.And these special machining are after heat ...