Fasteners | Bearings:

reference standard: QC/T327-1999) Annotation: The thread of the pole can be left turn, the type of ball joint should add "L", the mark of the thread ...

Reference standard: QC/T327-1999 and Germamy DIN) Technology Condition: 1. circle swing agilely 2. Spherial surface clearance: Right angle of axes 0...

Reference standard: JB.5390-1991 Annotation: 1. The whorl can be fastenned for dextrorotation or the left. If is dextrorotation, the code name of b...