Aperture Bombsight Rings


Aperture Rings of various sizes to use with the aperture bombsight. Choose the size in the dropdown menu based on OD of the fastener head you are trying to remove. Or send us your fastener specifications/dimensions and we'll machine a custom aperture ring for you. Fill this out in the “order notes” section of the checkout page.


Aperture Bombsight Rings for use with Aperture Bombsight (EDF0224) and the Vacuum Flush Head Locator (VFHL) family of tools.

Part number Description
EDF0221-125 Aperture Ring Blank (0.125″ Pilot Hole)
EDF1221-300  Aperture Ring, 0.300″ ID
EDF1221-400  Aperture Ring, 0.400″ ID
EDF1221-450  Aperture Ring, 0.450″ ID
EDF1221-500  Aperture Ring, 0.500″ ID
EDF1221-650  Aperture Ring, 0.650″ ID
EDF1221-CUSTOM Custom Size Aperture Ring

Additional information

Weight 0.5 lbs
Dimensions 0.75 × 0.75 × 0.25 in
Aperture Size

0.300" ID, 0.400" ID, 0.450" ID, 0.500" ID, 0.650" ID, CUSTOM, BLANK