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

This standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It deals with a comprehensive range of bolted assemblies used in engineering applications. The standard outlines procedures for the design, production, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the com

DIN 931 specifies the requirements for six-sided head fasteners. These bolts are commonly used in diverse applications, from automotive engineering toconstruction. The DIN 931 standard covers dimensions such as diameter and thread type. It also sets requirements for material composition and accuracy. Complying with DIN 931 ensures reliable connec