Product name: Hot dip galvanized carriage bolts
Dimensions: M6-M20
Level: 10.9
Material: 40Cr/35Crmo
Surface treatment: hot-dip galvanizing
Standard: GB/T14
Certificate: ISO 9001
usage: Hot dip galvanized carriage bolts are widely used in fields such as mechanical manufacturing, building structures, automotive industry, power equipment, shipbuilding, bridge engineering, and chemical engineering