Our Carriage Bolts come with guarantee of accurate dimensions and toughness. Carriage Bolts are made of quality alloys that ensure resistance against corrosion and abrasion. Carriage Bolts also have high tolerance and fatigue strength ensure avoidance of failure being twisted off and unexpectedly break respectively. Owing to these attributes Carriage Bolts are worth to invest. Details : Available in 4.6/8.8 grades As per drawings & specifications Standard – DIN 603,BS