Carriage bolts possess a unique design with a squared shank that remains 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 meet the stringent standards set by the German Institute for
This document, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It addresses a wide range of bolted joints used in structural applications. The standard provides methods for the design, fabrication, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the materials that can
DIN 931 specifies the specifications for six-sided head fasteners. These nuts are commonly used in various applications, from structural engineering toassembly. The DIN 931 standard covers dimensions such as head size and thread form. It also establishes standards for material composition and precision. Following DIN 931 ensures robust connection