... grade: g6; 3. Chrome plating; 4. TBI brand qualtiy guantee. Gear shaft TBI brand Dia. 16mm supplied by SNE Application: 1 ... on machining,sush as threading,coaxial holes drilled and tapped,radial holes drilled and tapped,reduced shaft diameter etc.we can ... wheel linear rail series. Contact with us, you are welcome!!! Gear shaft TBI brand Dia. 16mm supplied by SNE