Skip to Content
  1. Products ...
  2. Boxes & Enclosures
  3. Box Hardware & Accessories
  4. Knockout Plug/Seals

Knockout Plug/Seals

[SR-200] 53mm (2") Sealing Ring

53mm (2") Sealing Ring

4.08 $ 4.64 $
[SR-150] 41mm (1-1/2") Sealing Ring

41mm (1-1/2") Sealing Ring

3.35 $ 3.81 $
[SR-125] 35mm (1-1/4") Sealing Ring

35mm (1-1/4") Sealing Ring

2.77 $ 3.15 $
[SR-100] 27mm (1") Sealing Ring

27mm (1") Sealing Ring

1.57 $ 1.78 $
[SR-75] 21mm (3/4") Sealing Ring

21mm (3/4") Sealing Ring

1.14 $ 1.29 $
[SR-50] 16mm (1/2") Sealing Ring

16mm (1/2") Sealing Ring

0.92 $ 1.05 $
[KS-200S] 53mm (2") Knockout Plug (KO Filler)

53mm (2") Knockout Plug (KO Filler)

0.94 $ 1.07 $
[KS-150S] 41mm (1-1/2") Knockout Plug (KO Filler)

41mm (1-1/2") Knockout Plug (KO Filler)

0.72 $ 0.82 $
[KS-125S] 35mm (1-1/4") Knockout Plug (KO Filler)

35mm (1-1/4") Knockout Plug (KO Filler)

0.49 $ 0.56 $
[KS-100S] 27mm (1") Knockout Plug (KO Filler)

27mm (1") Knockout Plug (KO Filler)

0.26 $ 0.29 $
[KS-75S] 21mm (3/4") Knockout Plug (KO Filler)

21mm (3/4") Knockout Plug (KO Filler)

0.19 $ 0.22 $
[KS-50S] 16mm (1/2") Knockout Plug (KO Filler)

16mm (1/2") Knockout Plug (KO Filler)

0.17 $ 0.19 $
[KOS-200-OT] 2" Knockout Seal - Oil Tight | KOS-200-OT

2" Knockout Seal - Oil Tight | KOS-200-OT

40.86 $ 46.43 $
[KOS-300-OT] 3" Knockout Seal - Oil Tight | KOS-300-OT

3" Knockout Seal - Oil Tight | KOS-300-OT

59.91 $ 68.08 $
[HP75] 3/4" Steel Gray Hole Plug Oil/Water Tight HP75

3/4" Steel Gray Hole Plug Oil/Water Tight HP75

13.19 $ 14.99 $
[HP100] 1" Steel Gray Hole Plug Oil/Water Tight HP100

1" Steel Gray Hole Plug Oil/Water Tight HP100

17.59 $ 19.99 $
[HP125] 1-1/4" Steel Gray Hole Plug Oil/Water Tight HP125

1-1/4" Steel Gray Hole Plug Oil/Water Tight HP125

19.35 $ 21.99 $
[HP150] 1-1/2" Steel Gray Hole Plug Oil/Water Tight HP150

1-1/2" Steel Gray Hole Plug Oil/Water Tight HP150

21.99 $ 24.99 $
[HP200] 2" Steel Gray Hole Plug Oil/Water Tight HP200

2" Steel Gray Hole Plug Oil/Water Tight HP200

24.29 $ 27.60 $
[HP250] 2-1/2" Steel Gray Hole Plug Oil/Water Tight HP250

2-1/2" Steel Gray Hole Plug Oil/Water Tight HP250

30.79 $ 34.99 $