Product Name: Hexagon Socket Head Bolts
Size: M3-M100
Grade: 4.8/8.8/10.9/12.9
Material: Steel/35k/45/40Cr/35Crmo
Finish: color-plated
Standard: DIN/ISO
Certificate: ISO 9001
Usage: Hexagon socket head bolts are widely used in machinery manufacturing, building structures, automotive industry, power equipment, shipbuilding, railroad engineering and chemical industry, etc.