Knockout Seals

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 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 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 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 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 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 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 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 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...

Seal 3/4 K-O Seal St-zn (Bag 10) Additional Notes other sizes and quantities available by request Features The ultimate in high quality safety 3-Piece Quick-Seal to plug holes in panel boxes Size is Stamped on seal

Seal 1/2 K-O Seal St-zn (Bag 10) Additional Notes other sizes and quantities available by request Features 3-Piece Quick-Seal to plug holes in panel boxes The ultimate in high quality safety Size is Stamped on seal

Seal 4 K-O Seal St-zn (Bag 5) Additional Notes other sizes and quantities available by request Features Size is Stamped on seal The ultimate in high quality safety 3-Piece Quick-Seal to plug holes in panel boxes

Seal 3-1/2 K-O Seal St-zn (Bag 5) Additional Notes other sizes and quantities available by request Features 3-Piece Quick-Seal to plug holes in panel boxes Size is Stamped on seal The ultimate in high quality safety

Seal 3 K-O Seal St-zn (Bag 5) Features Size is Stamped on seal 3-Piece Quick-Seal to plug holes in panel boxes The ultimate in high quality safety Additional Notes other sizes and quantities available by request

Seal 2-1/2 K-O Seal St-zn (Bag 10) Additional Notes other sizes and quantities available by request Features 3-Piece Quick-Seal to plug holes in panel boxes Size is Stamped on seal The ultimate in high quality safety

Seal 2 K-O Seal St-zn (Bag 10) Additional Notes other sizes and quantities available by request Features Size is Stamped on seal 3-Piece Quick-Seal to plug holes in panel boxes The ultimate in high quality safety

Seal 1-1/2 K-O Seal St-zn (Bag 10) Features The ultimate in high quality safety Size is Stamped on seal 3-Piece Quick-Seal to plug holes in panel boxes Additional Notes other sizes and quantities available by request

Seal 1-1/4 K-O Seal St-zn (Bag 10) Additional Notes other sizes and quantities available by request Features The ultimate in high quality safety 3-Piece Quick-Seal to plug holes in panel boxes Size is Stamped on seal

Seal 1 K-O Seal St-zn (Bag 10) Features Size is Stamped on seal 3-Piece Quick-Seal to plug holes in panel boxes The ultimate in high quality safety Additional Notes other sizes and quantities available by request

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 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 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 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...

Steel snap in blanks. Zinc plated steel. For 3/4" knockout.