Brake Rotor/Disc

Front disc plate runout limit 0.04 mm {0.002 in}
Thickness variation limit 0.015 mm {0.00059 in}

Minimum Thickness
Minimum front disc plate thickness 21 mm {0.83 in}
Minimum front disc plate thickness after machining using a brake lathe on-vehicle 21.8 mm {0.858 in}

Discard Thickness
If the thickness is not within the specification, replace the disc plate.