This standard specifies requirements for sizes M8 to M100 × 6 T-head bolts. They are designed for use in attaching components to foundations or similar structures by means of T-slots, such as are specified in DIN 649, where T-head bolts are considered adequate detachable fasteners.

This standard specifies requirements for sizes M8 to M100 × 6 T-head bolts. They are designed for use in attaching components to foundations or similar structures by means of T-slots, such as are specified in DIN 649, where T-head bolts are considered adequate detachable fasteners.