Knockout Bushings

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ARL 4401

Part #ARL 4401 3/4" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 3/4 in Trade, Snap-In Mounting, Plastic, Black, 1.42 in Dia x 0.505 in L Dimensions

MFG #4401

3738 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.24/EA

Regular Price: $0.33/EA, you save $0.09 (28%)

QTY

U/M

EA BX /100CA /1000CS /1000

ADD TO CARTADD TO LIST

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ARL 4400

Part #ARL 4400 1/2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1/2 in Trade, Snap-In Mounting, Plastic, Black, 1.14 in Dia x 0.505 in L Dimensions

MFG #4400

13854 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.18/EA

Regular Price: $0.27/EA, you save $0.10 (37%)

QTY

U/M

EA BX /100

ADD TO CARTADD TO LIST

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TB 3211

Part #TB 3211 3/4" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1.109 in, 221 deg F, Polycarbonate, Black, 0.94 in ID x 1.215 in OD

MFG #3211

1432 in Stock. More available 04/17/2026

VIEW BRANCH INVENTORY

$1.25/EA

QTY

U/M

EA BX /100CA /500CS /500

ADD TO CARTADD TO LIST

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ARL 4405

Part #ARL 4405 2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 2 in Trade, Snap-In Mounting, Plastic, Black, 2.919 in Dia x 0.563 in L Dimensions

MFG #4405

27 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$1.21/EA

Regular Price: $1.71/EA, you save $0.50 (29%)

QTY

U/M

EA BX /20

ADD TO CARTADD TO LIST

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TB 3212

Part #TB 3212 1" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1-3/8 in, 221 deg F, Polycarbonate, Black, 1.2 in ID x 1.5 in OD

MFG #3212

122 in Stock. More available 04/17/2026

VIEW BRANCH INVENTORY

$1.90/EA

QTY

U/M

EA BX /100CA /500CS /500

ADD TO CARTADD TO LIST

Compare

TB 3210

Part #TB 3210 1/2" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 7/8 in, 221 deg F, Polycarbonate, Black, 0.725 in ID x 1 in OD

MFG #3210

3355 in Stock. More available 04/17/2026

VIEW BRANCH INVENTORY

$0.55/EA

QTY

U/M

EA BX /100CA /500CS /500

ADD TO CARTADD TO LIST

Compare

ARL 4403

Part #ARL 4403 1 1/4" KNOCKOUT SNAP-IN PLASTIC N BUSHING Arlington Conduit Bushing, 1-1/4 in Trade, Snap-In Mounting, Plastic, Black, 2.281 in Dia x 0.505 in L Dimensions

MFG #4403

93 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.52/EA

Regular Price: $0.72/EA, you save $0.20 (28%)

QTY

U/M

EA BX /25

ADD TO CARTADD TO LIST

Compare

ARL 4404

Part #ARL 4404 1-1/2" KNOCKOUT SNAPIN PLASTIC BUSHING Arlington Conduit Bushing, 1-1/2 in Trade, Snap-In Mounting, Plastic, Black, 2.598 in Dia x 0.505 in L Dimensions

MFG #4404

198 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.56/EA

Regular Price: $0.72/EA, you save $0.16 (22%)

QTY

U/M

EA BX /25CA /250CS /250

ADD TO CARTADD TO LIST

Compare

ARL 4402

Part #ARL 4402 1" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1 in Trade, Snap-In Mounting, Plastic, Black, 1.77 in Dia x 0.505 in L Dimensions

MFG #4402

1342 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.35/EA

Regular Price: $0.49/EA, you save $0.14 (29%)

QTY

U/M

EA BX /50CA /500CS /500

ADD TO CARTADD TO LIST

Compare

ARL 4401

Part #ARL 4401 3/4" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 3/4 in Trade, Snap-In Mounting, Plastic, Black, 1.42 in Dia x 0.505 in L Dimensions

MFG #4401

3738 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.24/EA

Regular Price: $0.33/EA, you save $0.09 (28%)

QTY

U/M

EA BX /100CA /1000CS /1000

ADD TO CARTADD TO LIST

Compare

ARL 4400

Part #ARL 4400 1/2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1/2 in Trade, Snap-In Mounting, Plastic, Black, 1.14 in Dia x 0.505 in L Dimensions

MFG #4400

13854 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.18/EA

Regular Price: $0.27/EA, you save $0.10 (37%)

QTY

U/M

EA BX /100

ADD TO CARTADD TO LIST

Compare

TB 3211

Part #TB 3211 3/4" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1.109 in, 221 deg F, Polycarbonate, Black, 0.94 in ID x 1.215 in OD

MFG #3211

1432 in Stock. More available 04/17/2026

VIEW BRANCH INVENTORY

$1.25/EA

QTY

U/M

EA BX /100CA /500CS /500

ADD TO CARTADD TO LIST

Compare

ARL 4405

Part #ARL 4405 2" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 2 in Trade, Snap-In Mounting, Plastic, Black, 2.919 in Dia x 0.563 in L Dimensions

MFG #4405

27 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$1.21/EA

Regular Price: $1.71/EA, you save $0.50 (29%)

QTY

U/M

EA BX /20

ADD TO CARTADD TO LIST

Compare

TB 3212

Part #TB 3212 1" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 1-3/8 in, 221 deg F, Polycarbonate, Black, 1.2 in ID x 1.5 in OD

MFG #3212

122 in Stock. More available 04/17/2026

VIEW BRANCH INVENTORY

$1.90/EA

QTY

U/M

EA BX /100CA /500CS /500

ADD TO CARTADD TO LIST

Compare

TB 3210

Part #TB 3210 1/2" KNOCKOUT BUSHING SNAPIN PLASTIC T&B® Conduit Bushing, 1-Piece Knockout Non-Metallic, Series: 3210, 7/8 in, 221 deg F, Polycarbonate, Black, 0.725 in ID x 1 in OD

MFG #3210

3355 in Stock. More available 04/17/2026

VIEW BRANCH INVENTORY

$0.55/EA

QTY

U/M

EA BX /100CA /500CS /500

ADD TO CARTADD TO LIST

Compare

ARL 4403

Part #ARL 4403 1 1/4" KNOCKOUT SNAP-IN PLASTIC N BUSHING Arlington Conduit Bushing, 1-1/4 in Trade, Snap-In Mounting, Plastic, Black, 2.281 in Dia x 0.505 in L Dimensions

MFG #4403

93 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.52/EA

Regular Price: $0.72/EA, you save $0.20 (28%)

QTY

U/M

EA BX /25

ADD TO CARTADD TO LIST

Compare

ARL 4404

Part #ARL 4404 1-1/2" KNOCKOUT SNAPIN PLASTIC BUSHING Arlington Conduit Bushing, 1-1/2 in Trade, Snap-In Mounting, Plastic, Black, 2.598 in Dia x 0.505 in L Dimensions

MFG #4404

198 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.56/EA

Regular Price: $0.72/EA, you save $0.16 (22%)

QTY

U/M

EA BX /25CA /250CS /250

ADD TO CARTADD TO LIST

Compare

ARL 4402

Part #ARL 4402 1" KNOCKOUT SNAP-IN PLASTIC BUSHING Arlington Conduit Bushing, 1 in Trade, Snap-In Mounting, Plastic, Black, 1.77 in Dia x 0.505 in L Dimensions

MFG #4402

1342 in Stock. More available 04/19/2026

VIEW BRANCH INVENTORY

$0.35/EA

Regular Price: $0.49/EA, you save $0.14 (29%)

QTY

U/M

EA BX /50CA /500CS /500

ADD TO CARTADD TO LIST

Results Per Page

12243648