Conduit Knockout Sizes(68)
Uses item details. Price when purchased online
Best seller 1/2 inch 100 Ft Liquid-Tight Conduit UL Certification - Flexible Non-Metallic Liquid Tight Electrical Flexible Conduit From $19.99

Sponsored
From$1999
1/2 inch 100 Ft Liquid-Tight Conduit UL Certification - Flexible Non-Metallic Liquid Tight Electrical Flexible Conduit
94.9 out of 5 Stars. 9 reviews
VEVOR 1/2 in 100 pcs Liquid Tight Connector Non-Metallic Conduit Fitting Connector $46.90

Sponsored
$4690
current price $46.90VEVOR 1/2 in 100 pcs Liquid Tight Connector Non-Metallic Conduit Fitting Connector
Knockout Plug, Round, Steel, 1 in Conduit Size, 0.34 in D, Corrosion Resistant, Silver 1044 $9.45 Was $13.99

Now$945
current price Now $9.45, Was $13.99$13.99
Knockout Plug, Round, Steel, 1 in Conduit Size, 0.34 in D, Corrosion Resistant, Silver 1044
, K2BB-1/2 replaces 60246, 1/2" Conduit Size Slug-Buster Manual Knockout Set $77.99

$7799
current price $77.99, K2BB-1/2 replaces 60246, 1/2" Conduit Size Slug-Buster Manual Knockout Set
Greenlee 1In Conduit Size Standard Round Manual Knockout Set $96.99

$9699
current price $96.99Greenlee 1In Conduit Size Standard Round Manual Knockout Set
Perma-Cote PMST-7 PVC Coated Conduit Knockout Hub, 2-1/2" $175.50

$17550
current price $175.50Perma-Cote PMST-7 PVC Coated Conduit Knockout Hub, 2-1/2"
Greenlee 3/4In Conduit Size Standard Round Manual Knockout Set $89.51

$8951
current price $89.51Greenlee 3/4In Conduit Size Standard Round Manual Knockout Set
Greenlee 2In Conduit Size Slug-Buster Knockout Punch $85.99

$8599
current price $85.99Greenlee 2In Conduit Size Slug-Buster Knockout Punch
Greenlee 1-1/2In Conduit Size Slug-Buster Knockout Punch $66.99

$6699
current price $66.99Greenlee 1-1/2In Conduit Size Slug-Buster Knockout Punch
Robroy PRST4 Plasti-Bond PVC Coated Conduit Knockout Hub, 1-1/4" $60.98

$6098
current price $60.98Robroy PRST4 Plasti-Bond PVC Coated Conduit Knockout Hub, 1-1/4"
Raco Knock Out Seal,2" Conduit Size,0.37" D 1048 $11.12

$1112
current price $11.12Raco Knock Out Seal,2" Conduit Size,0.37" D 1048
Greenlee Slug-Buster 3/4In Conduit Size Knockout Punch $33.99 Was $49.99

Now$3399
current price Now $33.99, Was $49.99$49.99
Greenlee Slug-Buster 3/4In Conduit Size Knockout Punch
Crouse-Hinds 336, 3/4"", Steel, Snap-In, Rigid Conduit Knockout Blank , 1 pc $7.00

$700
current price $7.00Crouse-Hinds 336, 3/4"", Steel, Snap-In, Rigid Conduit Knockout Blank , 1 pc
Perma-Cote PMST-9 PVC Coated Conduit Knockout Hub, 3-1/2" $318.50

$31850
current price $318.50Perma-Cote PMST-9 PVC Coated Conduit Knockout Hub, 3-1/2"
Greenlee-09049 1in Knockout Die Conduit Fitting $41.64

$4164
current price $41.64Greenlee-09049 1in Knockout Die Conduit Fitting
31 out of 5 Stars. 3 reviews
Greenlee K3BB-1-1/2 1-1/2" Conduit Size Standard Round Manual Knockout Set $178.85

$17885
current price $178.85Greenlee K3BB-1-1/2 1-1/2" Conduit Size Standard Round Manual Knockout Set
Greenlee K3BB-1-1/4 1-1/4" Conduit Size Standard Round Manual Knockout Set $167.05

$16705
current price $167.05Greenlee K3BB-1-1/4 1-1/4" Conduit Size Standard Round Manual Knockout Set
Greenlee K2BB-1-1/4 1-1/4" Conduit Size Slug-Buster? Manual Knockout Set $130.58

$13058
current price $130.58Greenlee K2BB-1-1/4 1-1/4" Conduit Size Slug-Buster? Manual Knockout Set
Raco Knockout Plug,Conduit Size 1/2" 1042 $8.31

$831
current price $8.31Raco Knockout Plug,Conduit Size 1/2" 1042
Greenlee K2P-3/4-B 3/4" Conduit Size Slug-Buster? Knockout Punch (Sold in $41.85

$4185
current price $41.85Greenlee K2P-3/4-B 3/4" Conduit Size Slug-Buster? Knockout Punch (Sold in
Robroy PRST11 Plasti-Bond PVC Coated Conduit Knockout Hub, 5" $462.50

$46250
current price $462.50Robroy PRST11 Plasti-Bond PVC Coated Conduit Knockout Hub, 5"
HALEX/SCOTT FETZER 3/8 x 1/2-Inch Knockout 90420 $7.25 Was $8.24

Now$725
current price Now $7.25, Was $8.24$8.24
HALEX/SCOTT FETZER 3/8 x 1/2-Inch Knockout 90420
Hubbell-Raco 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts - QTY 25 $66.60

$6660
current price $66.60Hubbell-Raco 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts - QTY 25
Klein Tools 53837 1.362 in. Knockout Punch for 1 in. Conduit $34.21

$3421
current price $34.21Klein Tools 53837 1.362 in. Knockout Punch for 1 in. Conduit
/Scott Fetzer 11001B 0.38 x 0.5 in. Knockout, 90 Degree Angle $37.58

$3758
current price $37.58/Scott Fetzer 11001B 0.38 x 0.5 in. Knockout, 90 Degree Angle
Arlington 842, 3/4"", 3/4"" Knockout, Silver, 2-Screw Clamp, Cable Connector, 1pc $7.39

$739
current price $7.39Arlington 842, 3/4"", 3/4"" Knockout, Silver, 2-Screw Clamp, Cable Connector, 1pc
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
Klein Tools 53827 1.115 in. Knockout Punch for 3/4 in. Conduit $32.32

$3232
current price $32.32Klein Tools 53827 1.115 in. Knockout Punch for 3/4 in. Conduit
Klein Tools 53819 0.875 in. Knockout Punch for 1/2 in. Conduit $29.47

$2947
current price $29.47Klein Tools 53819 0.875 in. Knockout Punch for 1/2 in. Conduit
Robroy Industries PRSTA7, Rigid Conduit Knockout Hub, 2-1/2 Al, 1 PC $239.45

$23945
current price $239.45Robroy Industries PRSTA7, Rigid Conduit Knockout Hub, 2-1/2 Al, 1 PC
RACO 1-1/2 Inch Deep Electrical Box - Side Knockouts - 25 Pack, 1/2 & 3/4 Inch $66.60

$6660
current price $66.60RACO 1-1/2 Inch Deep Electrical Box - Side Knockouts - 25 Pack, 1/2 & 3/4 Inch
Robroy PRSTG7 Plasti-Bond Grounded PVC Coated Knockout Conduit Hub, 2-1/2" $189.50

$18950
current price $189.50Robroy PRSTG7 Plasti-Bond Grounded PVC Coated Knockout Conduit Hub, 2-1/2"
Plasti-Bond PRSTAG2 3/4", PVC Coated Knockout Hub, Aluminum $144.06

$14406
current price $144.06Plasti-Bond PRSTAG2 3/4", PVC Coated Knockout Hub, Aluminum
Steel Switch Box With Conduit Knockouts 2-1/2" (Pack Of 20) $118.35

$11835
current price $118.35Steel Switch Box With Conduit Knockouts 2-1/2" (Pack Of 20)
Klein Tools 53838 1.362 in. Knockout Die for 1 in. Conduit $20.31

$2031
current price $20.31Klein Tools 53838 1.362 in. Knockout Die for 1 in. Conduit
Plasti-Bond PRSTAG1 1/2", PVC Coated Knockout Hub, Aluminum $191.80

$19180
current price $191.80Plasti-Bond PRSTAG1 1/2", PVC Coated Knockout Hub, Aluminum
Robroy PRSTG9 Plasti-Bond Grounded PVC Coated Knockout Conduit Hub, 3-1/2" $309.50

$30950
current price $309.50Robroy PRSTG9 Plasti-Bond Grounded PVC Coated Knockout Conduit Hub, 3-1/2"
Thomas Betts 375 Insulated Knockout Hub Connector 2 Inch, Threaded $55.52

$5552
current price $55.52Thomas Betts 375 Insulated Knockout Hub Connector 2 Inch, Threaded
1.951 in. Knockout Punch for 1-1/2 in. Conduit $49.79

$4979
current price $49.791.951 in. Knockout Punch for 1-1/2 in. Conduit
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
Carlon A864E 4S Non-Metallic ENT Mud-Box Cover, 3/4-Inch Knockouts, 4-Inch, (10-Pack) $285.50 $28.55/ea

$28550
current price $285.50$28.55/ea
Carlon A864E 4S Non-Metallic ENT Mud-Box Cover, 3/4-Inch Knockouts, 4-Inch, (10-Pack)
Yescom 1/2" to 2" Hydraulic Knockout Punch Set 8-Ton 6-Die Handheld Electrical Conduit Hole Cutter KO Tool Kit for Sheet Metal $89.90

$8990
current price $89.90Yescom 1/2" to 2" Hydraulic Knockout Punch Set 8-Ton 6-Die Handheld Electrical Conduit Hole Cutter KO Tool Kit for Sheet Metal
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