Case Hardened Crome Plated Ground Shaft : KS Conventional shaft; Material STB-2(SUJ-2100Cr6) KCS Hard Cr-plated shaft for anti-corrosive application ;Material STB-2(SUJ-2 100Cr6) KAS Stainless steel shaft for high anti-corrosive application; Material SUS440C. also available in C45 material with 58-62 HRC. Machined Shaft : Also available as per drawing. ST Series : Shaft with Aluminium support from size 12 mm to 60 mm available (Series such as SC/SC UUOP/SC LUU/OP