SGS Test Report for BONOSS Extended Wheel Bolts M14x1.25
Hardness Test
Test Method: ISO 6507-1:2018
No: GZIN1911061628ML
Grade:12.9
Material:SCM440
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SGS Test Report for BONOSS Extended Wheel Bolts M14x1.25
Hardness Test
Test Method: ISO 6507-1:2018
No: GZIN1911061628ML
Grade:12.9
Material:SCM440
