TUV Test Report for BONOSS Wheel Bolts M15x1.25 Microstructure (No: 01 220 CHN/T-2001754)
TUV Test Report for BONOSS Wheel Bolts M15x1.25 (For Mercedes Benz GLE (W167) / GLS (X167) ) Microstructure: (Test Method: ASTM E3-11(2017)) No: 01 220 CHN/T-2001754 Grade:12.9 Material:SCM440