finish
Zinc Plated
material
Steel, Carbon Steelcarbon steel
measurement system
Metric
head style
Flat
Thread Type
Standard Thread
Grade
CLASS 4,4.8/ 8.8/ 10.9/ 12.9 Ect
Every payment you make on Alibaba.com is secured with strict SSL encryption and PCI DSS data protection protocols
Claim a refund if your order doesn't ship, is missing, or arrives with product issues
