Product Specifications: M16-M30
Material: 20MnTiB / 35VB
Implementation of standards: GB1228
Surface treatment: black / phosphating
Performance level: 10.9 level
Rockwell Hardness: 33-38
Structural bolts are large bolts used to fasten two pieces of metal together. They are typically used in heavy-duty applications such as bridges and buildings. Structural bolts are usually made from high-strength steel or other alloy materials that can handle significant tension and stress.