E-Box Enclosure's 4-in Oil-Tight Hole Seals help seal push button holes, conduit and knockout holes as well as other openings of irregular shapes and size against dust, dirt, water and oil. Find more oil-tight hole seal options at HomElectrical!
- 4-in conduit holes.
- Max Hole Diameter: 4.62-in.
- Hole Seal Diameter: 5.12-in.
- Used to seal unused push button holes, conduit and knockout holes and other openings of irregular shapes and size.
- Protects against dust, dirt, water and oil.
- Oil tight hole seal has a cover with a 1/16-in flange formed around the perimeter and a #10 x 5/8 stud welded in the center.
- Painted ASA-61 gray over a zinc coated surface.
- Backplates are unpainted galvanized steel.
- Steel wing nuts are zinc plated with a yellow dichromate rinse.