Category Bolts

DIN 603 Round Head Square Neck Bolts

DIN 603 carriage bolt with round head and square neck for secure fastening in wood and metal structures

DIN 603 is an international standard that defines the specifications for round head square neck bolts, commonly known as carriage bolts. These bolts feature a smooth, dome-shaped head and a square neck just below the head, which helps prevent rotation…

DIN 7991 Hexagon Socket Countersunk Head Screws

DIN 7991 countersunk flat head socket screw with hex drive for flush-fitting applications

DIN 7991 is a standard that specifies the dimensions and requirements for hexagon socket countersunk head screws. These screws are designed to sit flush or below the surface of the material, providing a smooth and even finish. They are commonly…