Custom Square Ring Gaskets – Instant Quote from $0.99

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A square ring gasket is a square with a square cutout — a frame seal for square hatches, bezels, and enclosures. We laser-cut custom square ring gaskets to your exact inner and out er sizes, no minimum order, shipped within 24 hours. Dimensions You Enter for a Square Ring Gasket Outer side length Outside of the square frame Inner side length The square cutout Thickness 1/16", 1/8", 3/16", or 1/4" Corners Square or rounded Available in every material we stock — neoprene, silicone, EPDM, Buna-N, Viton, PTFE, cork, and fiber. Additional specs on request. Common Square Ring Gasket Applications Square hatch and access-frame seals Instrument and display bezels Square duct and vent flanges Enclosure perimeter gaskets Filter and screen frames Square Ring Gasket FAQs What is a square ring gasket?A square ring gasket is a square frame — a square with a square hole in the center — used to seal around a square opening such as a hatch or vent.How do I measure a square ring gasket?Enter the outer side length and the inner (cutout) side length. We cut the frame to those exact dimensions with square or rounded corners. Enter your dimensions in the quote tool above for an instant price on custom square ring gaskets from Fastest Gaskets — no minimum order, ships in 24 hours. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What is a square ring gasket?","acceptedAnswer":{"@type":"Answer","text":"A square ring gasket is a square frame — a square with a square hole in the center — used to seal around a square opening such as a hatch or vent."}},{"@type":"Question","name":"How do I measure a square ring gasket?","acceptedAnswer":{"@type":"Answer","text":"Enter the outer side length and the inner (cutout) side length. We cut the frame to those exact dimensions with square or rounded corners."}}]} Show more