Grade 12.9 Hex Socket Cap Head Screws Allen Key Bolts
Size:0# 2# 4# 6# 8#
Material: Alloy Steel
Standard: UNC
The product uses 12.9 grade high-strength alloy steel material, which has better hardness and strength characteristics than ordinary metal materials.
Grade 12.9 high-strength bolts, suitable for connecting bridge steel frame structures with building steel structures, vehicle manufacturing, and large-scale shipbuilding industries.
Package Including: