DIN 603 CARRIAGE BOLT SPECIFICATION

Carriage bolts are a unique design with a squared shank that locks within the hole, preventing rotation and providing a secure fastening. These bolts consist a cylindrical head with a square or hexagonal recess, intended to be driven by a wrench or socket. DIN 603 carriage bolts meet the stringent standards set by the German Institute for Standardi

DIN 931 defines the standards for six-sided head bolts. These bolts are widely employed in diverse industries, from mechanical engineering toconstruction. The DIN 931 standard covers sizes such as length and thread pitch. It also defines criteria for material composition and tolerances. Following DIN 931 ensures reliable connections and improves