SGS Test Report for BONOSS Wheel Bolts M14x1.5
Hardness Test
Test Method: ISO 6507-1:2018
No: GZIN1911061620ML
Grade:12.9
Material:SCM440
SGS Test Report for BONOSS Wheel Bolts M14x1.5
Hardness Test
Test Method: ISO 6507-1:2018
No: GZIN1911061620ML
Grade:12.9
Material:SCM440