Rock Solid 316 Stainless Steel Oiltight Hole Seal And Oil Resistant Gasket For 1/2 Inch Conduit Opening Tough As Nails Pushbutton Knockout Plug With 1-3/8 Inch Seal Diameter Built Like A Tank To Block Grease And Dust Indoors
✔️ 316 Steel Covers 0 31 Inch 8 Millimeter Stops Grease Easily
You get a rugged industrial plug designed to seal off empty switch boxes and conduit knockouts fast. Just press it into any unused opening to block grease, dust, or moisture before it damages your equipment. The gray rubber ring holds tight even when your gear sees heavy shop grease. You can slap this on panel work in under ten seconds without hunting for extra fasteners.
✅ 316 Stainless Steel Ring Stays Rust Free Around 316 Alloy Lubricant✅ 1 3 8 Inch 35 Millimeter Outer Diameter Seats Over 3 4 Inch 19 Millimeter Knockouts
✅ Compatible With Control Cabinets Up To 0 31 Inch 8 Millimeter Thick
✅ Holds UL Type 4X 12 And 13 Certifications For Wet Machine Areas
💡 What Is A Knockout Plug Used For In Tight Electrical Work?
These seals are super handy for closing off spare holes so grime stays out.
- They block oil mist and wet dust from ruining control panels inside factories
- The flexible stainless steel rim swells to hold fast on thick metal plates around 0.31 inch 8 millimeter deep
- Rated tough for harsh indoor sites like machine shops or auto centers