6/8mm Concrete Anker Bolts
Comes in sizes: 6/8 x 75, 6/8 x 100, 6/8 x 150.
8mm Concrete screws that use a 6mm pilot hole. These screws have a very high pull out rating and have a flanged hex head to hold better.
It is recommended to use a 6mm hammer drill to create the pilot hole required