Countersunk Bolt Hilti. Economical sleeve anchor (countersunk head) head configuration:
Economical sleeve anchor (countersunk head) head configuration:
Hilti 3/8 in. x 4 in. Kwik Hus EZ Countersunk Screw Anchor for Concrete
Countersunk Bolt Hilti Economical sleeve anchor (countersunk head) head configuration: Economical sleeve anchor (countersunk head) head configuration: