Carriage bolts are a unique design with a squared shank that remains within the hole, preventing rotation and guaranteeing a secure fastening. These bolts comprise 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… Read More

This document, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It covers a broad range of bolted joints used in civil applications. The standard outlines guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the materials that can be… Read More

DIN 931 specifies the requirements for six-sided head bolts. These nuts are commonly used in various fields, from automotive engineering toconstruction. The DIN 931 standard covers dimensions such as length and thread type. It also sets standards for material composition and accuracy. Complying with DIN 931 ensures robust connections and improves… Read More