finish
Zinc, Black Phosphate / Grey Phosphate
material
Steel
measurement system
Inch, Metric
head style
Modified Truss /Wafer
Thread Type
Standard Thread
Grade
Class 4.8 & 6.8
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
