Steel Structure Bolts
4.8 grade 8.8 grade 10.9 grade hot-dip galvanized carriage bolts
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
10.9 grade steel structural bolts with large outer hexagon
Product Name: Steel Structure Outer Hexagonal Bolt
Dimensions: M16-M30
Level: 10.9
Material: 40Cr/35Crmo
Surface treatment: treatment black
Standard: DIN/ISO
Certificate: ISO 9001
usage: Hexagonal bolts are widely used in fields such as mechanical manufacturing, building structures, automotive industry, power equipment, shipbuilding, bridge engineering, and chemical engineering