In order to ensure a safe installation and stable clamping force, it's relevant to pay attention to the pilot hole configuration. The recommended dimensions for core hole diameter and length of engagement are available at Design Guidelines.
REMFORM® II F™ screws are recommended for the assembly of: Highly reinforced plastics and thermoplastic parts in applications where the length of engagement is lower than optimal. Magnesium elements with drilled, injected or punched holes. Aluminum profiles with open holes.