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All Renewable EnergyBathroom PlumbingBrackets and Angle IronsBreakers, Distributors, and Load CentersCable ManagementConduits and FittingsDimmers, Switches, and Wall PlatesFastenersGarbage DisposalsGuttering & DrainageHand ToolsHVAC Ducting and VentilationKitchen PlumbingOutdoor DrainageOutletsPipes, Fittings & AccessoriesPower TransformersSolar AccessoriesSolar Charge ControllerTool Equipment & StorageWater Heaters, Pumps & Tanks
Knockout Seal(45)
Uses item details. Price when purchased online
Sigma Knockout Seal 3/4 " Bag $8.53
$853
current price $8.53Sigma Knockout Seal 3/4 " Bag
1 Box 20Pcs Electrical Box Knockout Plugs Bulk Silver Metal Stainless Steel Removable Flat Round Instant Panel Knockouts Seal Plug for Conduit Closure Unused Electric Box Outlets Silver 1set $14.65
$1465
current price $14.651 Box 20Pcs Electrical Box Knockout Plugs Bulk Silver Metal Stainless Steel Removable Flat Round Instant Panel Knockouts Seal Plug for Conduit Closure Unused Electric Box Outlets Silver 1set
Halex Company Halex Steel Knockout Seal $6.99 Was $9.41
Now$699
current price Now $6.99, Was $9.41$9.41
Halex Company Halex Steel Knockout Seal
RENACLIPY 10Pcs Stainless Steel Electrical Box Knockout Plugs Durable Round Seals for Electrical Panel Protection $10.19
$1019
current price $10.19RENACLIPY 10Pcs Stainless Steel Electrical Box Knockout Plugs Durable Round Seals for Electrical Panel Protection
One-Piece Knockout Seal, Steel, 3/4 In. Trade Size, 100 Per Box $8.22
$822
current price $8.22One-Piece Knockout Seal, Steel, 3/4 In. Trade Size, 100 Per Box
Topaz KO52 Knock-Out Seal, Steel, 1" $8.32 Was $15.08
Now$832
current price Now $8.32, Was $15.08$15.08
Topaz KO52 Knock-Out Seal, Steel, 1"
Gardner Bender Round Steel Knockout Seal $71.72
$7172
current price $71.72Gardner Bender Round Steel Knockout Seal
Sigma Engineered Solutions ProConnex Round Zinc-Plated Steel 0.31 in. H X 1.15 in. W Knockout Seal $39.44
$3944
current price $39.44Sigma Engineered Solutions ProConnex Round Zinc-Plated Steel 0.31 in. H X 1.15 in. W Knockout Seal
1 Box 20Pcs Electrical Box Knockout Plugs Bulk Silver Metal Stainless Steel Removable Flat Round Instant Panel Knockouts Seal Plug for Conduit Closure Unused Electric Box Outlets $18.31
$1831
current price $18.311 Box 20Pcs Electrical Box Knockout Plugs Bulk Silver Metal Stainless Steel Removable Flat Round Instant Panel Knockouts Seal Plug for Conduit Closure Unused Electric Box Outlets
Knockout Seal, Gasketed, Oil Tight Hole Seals, 1", Steel, Gray Painted $16.99
$1699
current price $16.99Knockout Seal, Gasketed, Oil Tight Hole Seals, 1", Steel, Gray Painted
25 out of 5 Stars. 2 reviews
Halex Steel Knockout Seal - Single Pack $14.02
$1402
current price $14.02Halex Steel Knockout Seal - Single Pack
Halex Knockout Seal - Pack of 2 $21.70
$2170
current price $21.70Halex Knockout Seal - Pack of 2
2" x 2-1/2" Gray Nylon Plastic Knock-Out Seal KSN-049 (2 pcs.) $13.45
$1345
current price $13.452" x 2-1/2" Gray Nylon Plastic Knock-Out Seal KSN-049 (2 pcs.)
OHLECTRIC 3/4 inch Snap-In Knockout Seals, Zinc-Plated Steel Electrical KO Hole Covers for Outlet Boxes, Junction Boxes and Metal Enclosures, 100 Pack $41.00
$4100
current price $41.00OHLECTRIC 3/4 inch Snap-In Knockout Seals, Zinc-Plated Steel Electrical KO Hole Covers for Outlet Boxes, Junction Boxes and Metal Enclosures, 100 Pack
Knock-Out Seal 1.25 in. Steel $30.90
$3090
current price $30.90Knock-Out Seal 1.25 in. Steel
49153 1.25 in. Knockout Seal $22.51
$2251
current price $22.5149153 1.25 in. Knockout Seal
Raco Knock Out Seal,1-1/2" Conduit Sz,0.34" D 1046 $9.55
$955
current price $9.55Raco Knock Out Seal,1-1/2" Conduit Sz,0.34" D 1046
Knockout Seal, Gasketed, Oil Tight Hole Seals, 3/4", Steel, Gray Painted $15.99
$1599
current price $15.99Knockout Seal, Gasketed, Oil Tight Hole Seals, 3/4", Steel, Gray Painted
Halex Company Halex Steel Knockout Seal - Pack of 6 $41.94
$4194
current price $41.94Halex Company Halex Steel Knockout Seal - Pack of 6
Halex Knockout Seal - Pack of 4 $17.76
$1776
current price $17.76Halex Knockout Seal - Pack of 4
1-1/2" x 2" Gray Nylon Plastic Knock-Out Seals KSN-046 (3 pcs.) $9.97
$997
current price $9.971-1/2" x 2" Gray Nylon Plastic Knock-Out Seals KSN-046 (3 pcs.)
1" x 1-3/8" Gray Nylon Plastic Knock-Out Seals KSN-040 (6 pcs.) $12.05
$1205
current price $12.051" x 1-3/8" Gray Nylon Plastic Knock-Out Seals KSN-040 (6 pcs.)
Halex Company Halex Steel Knockout Seal - Pack of 8 $64.51
$6451
current price $64.51Halex Company Halex Steel Knockout Seal - Pack of 8
49155 2 in. Steel Knockout Seal $25.14
$2514
current price $25.1449155 2 in. Steel Knockout Seal
Raco Knock Out Seal,2" Conduit Size,0.37" D 1048 $11.19
$1119
current price $11.19Raco Knock Out Seal,2" Conduit Size,0.37" D 1048
Knockout Seal, Gasketed, Oil Tight Hole Seals, 1/2", Steel, Gray Painted $14.99 Was $19.99
Now$1499
current price Now $14.99, Was $19.99$19.99
Knockout Seal, Gasketed, Oil Tight Hole Seals, 1/2", Steel, Gray Painted
Halex Steel Knockout Seal - Pack of 4 $33.48
$3348
current price $33.48Halex Steel Knockout Seal - Pack of 4
Halex Knockout Seal - Single Pack $11.41
$1141
current price $11.41Halex Knockout Seal - Single Pack
2" Gray Nylon Plastic Knock-Out Seals (3 pcs.) $11.41
$1141
current price $11.412" Gray Nylon Plastic Knock-Out Seals (3 pcs.)
1/2" x 7/8" Gray Nylon Plastic Knock-Out Seals KSN-034 (8 pcs.) $9.80
$980
current price $9.801/2" x 7/8" Gray Nylon Plastic Knock-Out Seals KSN-034 (8 pcs.)
1-1/4" x 1-3/4" Gray Nylon Plastic Knock-Out Seals KSN-043 (4 pcs.) $11.20
$1120
current price $11.201-1/4" x 1-3/4" Gray Nylon Plastic Knock-Out Seals KSN-043 (4 pcs.)
3/4" x 1-3/32" Gray Nylon Plastic Knock-Out Seals (6 pcs.) $11.41
$1141
current price $11.413/4" x 1-3/32" Gray Nylon Plastic Knock-Out Seals (6 pcs.)
Topaz Electric Knock-Out Seal 1 in. Steel $8.31
$831
current price $8.31Topaz Electric Knock-Out Seal 1 in. Steel
SEAL KNOCK OUT 2" $9.34
$934
current price $9.34SEAL KNOCK OUT 2"
Halex Company Halex Steel Knockout Seal - Pack of 8 $52.08
$5208
current price $52.08Halex Company Halex Steel Knockout Seal - Pack of 8
Halex 26071 Steel Snap-In Knock Out Seal Blanks, 1/2-In., 4-Pk. - Quantity 30 $18.50
$1850
current price $18.50Halex 26071 Steel Snap-In Knock Out Seal Blanks, 1/2-In., 4-Pk. - Quantity 30
26072 Knock Out Seal 3/4In 4Bg 26072 $14.57
$1457
current price $14.5726072 Knock Out Seal 3/4In 4Bg 26072
Halex 20605 0.5 in. Knockout Seal Accessories - 3 Piece - 4 per Bag From $10.23
2 options
Available in additional 2 optionsFrom$1023
Halex 20605 0.5 in. Knockout Seal Accessories - 3 Piece - 4 per Bag
Halex 26072 Steel Snap-In Knock Out Seal Blanks, 3/4-In., 4-Pk. - Quantity 20 $18.72
$1872
current price $18.72Halex 26072 Steel Snap-In Knock Out Seal Blanks, 3/4-In., 4-Pk. - Quantity 20
SEAL KNOCK OUT 1-1/4" by GB MfrPartNo 49153 $10.99
$1099
current price $10.99SEAL KNOCK OUT 1-1/4" by GB MfrPartNo 49153
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