Carriage bolts are a unique design with a squared shank that remains 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 conform with the stringent standards set by the German Institute for… Read More

DIN 931 outlines the standards for hexagonal head fasteners. These nuts are commonly used in various applications, from mechanical engineering tomanufacturing. The DIN 931 standard covers sizes such as diameter and thread type. It also establishes standards for material grade and precision. Adhering to DIN 931 ensures durable connections and impr… Read More