Size | Hole Size | Grip** | Grip** | Min clearance behind material*** |
Diameter and Thread count (Nominal size) | – | Min | Max | – |
#6-32 (1/8″) | 13/32″ * | 3/8″ | 2-5/8″ | 1-1/2″ |
#10-24 (3/16″) | 1/2″ | 3/8″ | 3-1/4″ | 2″ |
1/4″-20 | 1/2″ | 3/8″ | 3-1/4″ | 2″ |
** Grip is the thickness of the wall (or other material) that the anchor is used with.
*** This is the amount of space required behind the wall (or other material) so that the wing can flip into locking position.