Conduit Knockout Sizes(72)
Uses item details. Price when purchased online
Best seller 1/2" 25 Ft Liquid-Tight Conduit UL Certification - Flexible Non-Metallic Liquid Tight Electrical Flexible Conduit with 5 Straight and 3 90-Degree Connector Fittings From $19.99

Sponsored
From$1999
1/2" 25 Ft Liquid-Tight Conduit UL Certification - Flexible Non-Metallic Liquid Tight Electrical Flexible Conduit with 5 Straight and 3 90-Degree Connector Fittings
84.9 out of 5 Stars. 8 reviews
VEVOR 1/2 in 100 pcs Liquid Tight Connector Non-Metallic Conduit Fitting Connector $45.07

Sponsored
$4507
current price $45.07VEVOR 1/2 in 100 pcs Liquid Tight Connector Non-Metallic Conduit Fitting Connector
VENTRAL Electrical Wire Conduit Schedule 40 Pipe 2 PCS X 5FT PVC 2" Inch (2.0) $76.95

Sponsored
$7695
current price $76.95VENTRAL Electrical Wire Conduit Schedule 40 Pipe 2 PCS X 5FT PVC 2" Inch (2.0)
VENTRAL Electrical Wire Conduit Schedule 40 Pipe 2 PCS X 5FT PVC 1" Inch $35.24

Sponsored
$3524
current price $35.24VENTRAL Electrical Wire Conduit Schedule 40 Pipe 2 PCS X 5FT PVC 1" Inch
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
Greenlee 1In Conduit Size Standard Round Manual Knockout Set $103.50

$10350
current price $103.50Greenlee 1In Conduit Size Standard Round Manual Knockout Set
, 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 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
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"
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
Robroy PRST4 Plasti-Bond PVC Coated Conduit Knockout Hub, 1-1/4" $65.50

$6550
current price $65.50Robroy PRST4 Plasti-Bond PVC Coated Conduit Knockout Hub, 1-1/4"
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
Raco Knockout Plug,Conduit Size 1/2" 1042 $8.33

$833
current price $8.33Raco Knockout Plug,Conduit Size 1/2" 1042
Greenlee K3BB-1-1/2 1-1/2" Conduit Size Standard Round Manual Knockout Set $177.87

$17787
current price $177.87Greenlee K3BB-1-1/2 1-1/2" Conduit Size Standard Round Manual Knockout Set
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
Greenlee K3BB-1-1/4 1-1/4" Conduit Size Standard Round Manual Knockout Set $133.78

$13378
current price $133.78Greenlee K3BB-1-1/4 1-1/4" Conduit Size Standard Round Manual Knockout Set
2" Conduit Hole Size Knockout Punch Unit with Manual Draw Stud (2.416" Actual Hole Size) $82.48

$8248
current price $82.482" Conduit Hole Size Knockout Punch Unit with Manual Draw Stud (2.416" Actual Hole Size)
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
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 $66.76

$6676
current price $66.76Hubbell-Raco 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts - QTY 25
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
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
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
/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
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
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"
RACO 1-1/2 Inch Deep Electrical Box - Side Knockouts - 25 Pack, 1/2 & 3/4 Inch $66.62

$6662
current price $66.62RACO 1-1/2 Inch Deep Electrical Box - Side Knockouts - 25 Pack, 1/2 & 3/4 Inch
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 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
Uxcell 2set Conduit Punch and Die 16mm Steel Knockout Punch Conduit Hole Cutter Set $19.79

$1979
current price $19.79Uxcell 2set Conduit Punch and Die 16mm Steel Knockout Punch Conduit Hole Cutter Set
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
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)
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