Hex collars are installed by sliding them onto the corresponding hex shaped adapter on the drilling head and hex end of a starter rod. They are secured by a bolt or bolts.

The right hex collar depends on the size of your equipment, the material of the components being connected, and the specific conditions of your drilling operation. Consult with a supplier or manufacturer to ensure compatibility with your equipment.

Yes, hex collars come in various sizes to fit different types of drilling equipment. Be sure to choose the correct size based on the specifications of the equipment you are using.