Countersunk Bolt Hilti. Economical sleeve anchor (countersunk head) head configuration:
from boltworld.co.uk
Economical sleeve anchor (countersunk head) head configuration:
M8 x 55mm Unbrako Socket Screw/Bolt, Countersunk, High Tensile Grade 12
Countersunk Bolt Hilti Economical sleeve anchor (countersunk head) head configuration: Economical sleeve anchor (countersunk head) head configuration: