Carriage bolts feature a unique design with a squared shank that stabilizes within the hole, preventing rotation and ensuring 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 meet the stringent standards set by the German Institute for
This specification, EN 14399:2005, defines the requirements here for high-strength structural bolted assemblies. It addresses a broad range of bolted assemblies used in engineering applications. The standard establishes procedures for the design, fabrication, inspection, and testing of bolted assemblies to ensure their reliability. It also specifie
DIN 931 outlines the standards for hex head fasteners. These fixings are commonly used in numerous applications, from mechanical engineering toassembly. The DIN 931 standard covers dimensions such as length and thread type. It also defines standards for material composition and accuracy. Adhering to DIN 931 ensures durable connections and enhance