Knockout Seals
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Milbank 5.063x5.063x0.5 Steel Hole Seal, 4 Inch, ANSI 61 Gray, Gasketed Wing Nut
Model: MIL-A-HS400
Milbank 5.063x5.063x0.5 Steel Hole Seal, 4 Inch, ANSI 61 Gray, Gasketed Wing NutProfessional-Grade Enclosure Sealing SolutionThe Milbank 4 Inch Steel Hole Seal delivers professional-grade enclosure sealing performance for electrical panel and equipment...Milbank
$113.84$67.10 -
Milbank 4.063x4.063x0.5 Steel Hole Seal, 3 Inch, ANSI 61 Gray, Gasketed Wing Nut
Model: MIL-A-HS300
Milbank 4.063x4.063x0.5 Steel Hole Seal, 3 Inch, ANSI 61 Gray, Gasketed Wing NutProfessional-Grade Enclosure Sealing SolutionThe Milbank 3 Inch Steel Hole Seal delivers professional-grade enclosure sealing performance for electrical panel and equipment...Milbank
$89.06$40.34 -
Milbank 2.5 Inch Steel Hole Seal with Gasketed Wing Nut, ANSI 61 Gray
Model: MIL-A-HS250
Milbank 2.5 Inch Steel Hole Seal with Gasketed Wing NutProfessional-Grade Enclosure Sealing SolutionThe Milbank 2.5 Inch Steel Hole Seal delivers professional-grade sealing performance for electrical enclosure applications. This steel hole seal features...Milbank
$80.56$32.54 -
Milbank 2 Inch Steel Hole Seal with Rubber Gasket, ANSI 61 Gray, Wing Nut Design
Model: MIL-A-HS200
Milbank 2 Inch Steel Hole Seal with Rubber GasketProfessional-Grade Enclosure Sealing SolutionThe Milbank 2 Inch Steel Hole Seal delivers professional-grade sealing performance for electrical enclosure applications. This steel hole seal features...Milbank
$74.81$25.63 -
Milbank 1.5 Inch Steel Hole Seal with Gasketed Wing Nut, ANSI 61 Gray, Enclosure Accessory
Model: MIL-A-HS150
Milbank 1.5 Inch Steel Hole Seal with Gasketed Wing NutProfessional-Grade Enclosure Sealing SolutionThe Milbank 1.5 Inch Steel Hole Seal delivers professional-grade sealing performance for electrical enclosure applications. This steel hole seal features...Milbank
$72.30$23.03 -
Milbank 1.25 Inch Steel Hole Seal with Rubber Gasket, ANSI 61 Gray, Wing Nut Design
Model: MIL-A-HS125
Milbank 1.25 Inch Steel Hole Seal with Rubber GasketProfessional-Grade Enclosure Sealing SolutionThe Milbank 1.25 Inch Steel Hole Seal delivers professional-grade sealing performance for electrical enclosure applications. This steel hole seal features...Milbank
$71.16$21.84 -
Milbank 1.75x1.75x0.5 Steel Hole Seal, 1 Inch, ANSI 61 Gray, Gasketed Wing Nut
Model: MIL-A-HS100
Milbank 1.75x1.75x0.5 Steel Hole Seal, 1 Inch, ANSI 61 Gray, Gasketed Wing NutProfessional-Grade Enclosure Sealing SolutionThe Milbank Steel Hole Seal delivers professional-grade enclosure sealing performance for electrical panel and equipment...Milbank
$70.20$20.86 -
Milbank 1.5x1.5x0.5 Steel Hole Seal 3/4 Inch ANSI 61 Gray Gasketed Wing Nut
Model: MIL-A-HS075
Milbank 1.5x1.5x0.5 Steel Hole Seal 3/4 Inch ANSI 61 Gray Gasketed Wing NutProfessional-Grade Enclosure Sealing SolutionThe Milbank Steel Hole Seal delivers professional-grade enclosure sealing performance for electrical panel and equipment applications...Milbank
$62.94$13.37 -
Milbank 0.5x1.188x1.188 Steel Hole Seal with Gasketed Wing Nut, ANSI 61 Gray
Model: MIL-A-HS050
Milbank 0.5x1.188x1.188 Steel Hole Seal with Gasketed Wing NutProfessional-Grade Enclosure Sealing SolutionThe Milbank Steel Hole Seal with Gasketed Wing Nut delivers professional-grade sealing performance for electrical enclosure applications. This...Milbank
$60.41$10.74 -
Metallics Knock-out Seal 3/4" 3-Piece Steel Zinc Quick-Seal
Model: MET-75KOS
Metallics Industries Knock-out Seal 3/4" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 3/4" delivers exceptional performance and reliability for electrical panel box installations...Metallics
$51.59$2.36 -
Metallics Knock-out Seal 1/2" 3-Piece Steel Zinc Quick-Seal
Model: MET-50KOS
Metallics Industries Knock-out Seal 1/2" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 1/2" 3-Piece delivers exceptional performance and reliability for electrical panel box...Metallics
$51.36$1.99 -
Metallics Knock-out Seal 4" 3-Piece Steel Zinc Quick-Seal
Model: MET-400KOS
Metallics Industries Knock-out Seal 4" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 4" delivers exceptional performance and reliability for electrical panel box installations and...Metallics
$65.16$22.42 -
Metallics Knock-out Seal 3-1/2" 3-Piece Steel Zinc Quick-Seal
Model: MET-350KOS
Metallics Industries Knock-out Seal 3-1/2" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 3-1/2" delivers exceptional performance and reliability for electrical panel box...Metallics
$75.67$40.06 -
Metallics Knock-out Seal 3-Piece Steel Zinc 6" x 6" x 1.1"
Model: MET-300KOS
Metallics Industries Knock-out Seal 3-Piece Steel ZincProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 3-Piece delivers exceptional performance and reliability for electrical panel box installations and conduit...Metallics
$58.27$12.56 -
Metallics Knock-out Seal 2-1/2" 3-Piece Steel Zinc Quick-Seal
Model: MET-250KOS
Metallics Industries Knock-out Seal 2-1/2" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 2-1/2" delivers exceptional performance and reliability for electrical panel box...Metallics
$56.79$10.33 -
Metallics Knock-out Seal 2" 3-Piece Steel Zinc Quick-Seal
Model: MET-200KOS
Metallics Industries Knock-out Seal 2" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 2" delivers exceptional performance and reliability for electrical panel box installations and...Metallics
$55.82$8.63 -
Metallics Knock-out Seal 1-1/2" 3-Piece Steel Zinc Quick-Seal
Model: MET-150KOS
Metallics Industries Knock-out Seal 1-1/2" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 1-1/2" delivers exceptional performance and reliability for electrical panel box...Metallics
$55.90$8.74 -
Metallics Knock-out Seal 1-1/4" 3-Piece Steel Zinc Quick-Seal
Model: MET-125KOS
Metallics Industries Knock-out Seal 1-1/4" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 1-1/4" delivers exceptional performance and reliability for electrical panel box...Metallics
$52.86$4.34 -
Metallics Knock-out Seal 1" 3-Piece Steel Zinc Quick-Seal
Model: MET-100KOS
Metallics Industries Knock-out Seal 1" 3-Piece Steel Zinc Quick-SealProfessional Electrical Panel Box Sealing SolutionThe Metallics Industries Knock-out Seal 1" 3-Piece Steel Zinc Quick-Seal delivers exceptional performance and reliability for electrical...Metallics
$52.19$3.24 -
Arlington Industries Steel Snap-In Blanks - Zinc Plated Steel for 2" Knockout
Model: ARL-905
Arlington Industries Steel Snap-In Blanks - Zinc Plated Steel for 2" KnockoutProfessional-Grade Knockout Sealing SolutionThe Arlington Industries Steel Snap-In Blanks are innovative knockout sealing devices designed to solve unused opening protection...Arlington Industries
$53.00$3.00 -
Arlington Industries Steel Snap-In Blanks - Zinc Plated for 1-1/2" Knockout
Model: ARL-904
Arlington Industries Steel Snap-In Blanks - Zinc Plated for 1-1/2" KnockoutProfessional-Grade Knockout Sealing SolutionThe Arlington Industries Steel Snap-In Blanks are innovative knockout closures designed to solve unused opening sealing challenges...Arlington Industries
$52.46$17.59 -
Arlington Industries Steel Snap-In Blanks - Zinc Plated for 1-1/4" Knockout
Model: ARL-903
Arlington Industries Steel Snap-In Blanks - Zinc Plated for 1-1/4" KnockoutProfessional-Grade Knockout Sealing SolutionThe Arlington Industries Steel Snap-In Blanks are innovative knockout sealing devices designed to solve unused opening protection...Arlington Industries
$51.48$1.45 -
Arlington Industries Steel Snap-In Blanks - Zinc Plated Steel for 1" Knockout
Model: ARL-902
Arlington Industries Steel Snap-In Blanks - Zinc Plated Steel for 1" KnockoutProfessional-Grade Knockout Closure SolutionThe Arlington Industries Steel Snap-In Blanks are innovative knockout closures designed to solve unused opening challenges in...Arlington Industries
$51.25$7.74 -
Arlington Industries Steel Snap-In Blanks 3/4" Trade Size Zinc Plated Knockout Protection
Model: ARL-901
Arlington Industries Steel Snap-In Blanks 3/4" Trade Size Zinc Plated Knockout ProtectionProfessional Knockout Protection for Electrical EnclosuresArlington Industries Steel Snap-In Blanks provide reliable knockout protection for 3/4" openings...Arlington Industries
$50.76$0.76