Carriage bolts feature a unique design with a squared shank that locks 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 conform with the stringent standards set by the German Institut… Read More

Hexagon head screws DIN 933 / ISO 4017 are/is a common/widely used/popular type of fastener known/recognized/identified for their shaped socket. These screws/fasteners/bolts feature/possess/have a cylindrical/rounded/smooth shank and a threaded/screw/machined portion that interacts/engages/connects with a corresponding thread/groove/pattern in the … Read More