Carriage bolts are a unique design with a squared shank that stabilizes within the hole, preventing rotation and guaranteeing a secure fastening. These bolts include a cylindrical head with a square or hexagonal recess, intended to be driven by a wrench or socket. DIN 603 carriage bolts conform with the stringent standards set by the German Institu… Read More

DIN 931 outlines the standards for six-sided head fasteners. These fixings are commonly used in various applications, from structural engineering toconstruction. The DIN 931 standard covers sizes such as length and thread form. It also defines criteria for material grade and precision. Adhering to DIN 931 ensures durable connections and enhances … Read More