[8mm to 22mm]
The tolerance of the hole is strictly according to H7 standard.Clamping and fixing of 12.9 grade high strength bolts.The material of the rubber pad can absorb vibration.?AL7003 Aluminum Alloy
It can absorb vibration and compensate radial,angular and axial deviations;
Oil resistant and electrically insulated;
The clockwise and counterclockwise rotation characteristics are exactly the same;
Fix with clamping screws.