{"product_id":"1-4-thick-5-x-7-rectangular-aluminum-grommet-pad-center-vent-marine-grade-6061-t6","title":"1\/4\" Thick 5\" x 7\" Rectangular Aluminum Grommet Pad | 4 Through-Holes + Center Vent | Marine Grade 6061-T6","description":"\u003cp style=\"font-size:1.15em;line-height:1.4;margin-bottom:0.75em;text-transform:none;color:#4a7ab5\"\u003e\u003cstrong\u003e5\" x 7\" Rectangular Grommet Pad with Center Vent\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003ePrecision CNC-machined 6061-T6 aluminum rectangular grommet pad with center vent. Designed for through-bolt mounting on fiberglass pedestal walls in saltwater marine environments. Straight through-holes allow fasteners to pass through, while the center vent provides weld gas release during installation. Provides galvanic isolation between stainless fasteners and the aluminum deck substrate. Pairs with \u003ca href=\"\/products\/1-4-thick-5-x-7-rectangular-aluminum-countersunk-pad-4-countersunk-holes-marine-grade-6061-t6\" style=\"color:#4a7ab5;text-decoration:underline\"\u003eSKU 0178 Countersunk Pad\u003c\/a\u003e for a matching hole pattern. Commonly used on top or through the side of a deck pedestal, as well as through the fiberglass skin of a hardtop or T-top.\u003c\/p\u003e\n\n\u003ctable style=\"font-size:0.9em;border-collapse:collapse\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003eMarine Grade 6061-T6 Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e5\" (127 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e7\" (178 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e1\/4\" (0.250\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eThrough-Holes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e4 straight through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eCenter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e1 vent hole (weld gas release)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003ePairs With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e\n\u003ca href=\"\/products\/1-4-thick-5-x-7-rectangular-aluminum-countersunk-pad-4-countersunk-holes-marine-grade-6061-t6\" style=\"color:#4a7ab5;text-decoration:underline\"\u003eSKU 0178\u003c\/a\u003e (matching CS pad)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003eMatte — tumbled, deburred, paint\/powder coat ready\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff;border:1px solid #ffffff\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e0.83 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp style=\"text-transform:none;font-weight:600;font-size:1.05em;color:#4a7ab5\"\u003eCommon Applications\u003c\/p\u003e\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003eT-tops, tuna towers, hard tops, radar arches, leaning posts, grab bars — commonly used on flat pedestal and hard top panels.\u003c\/p\u003e\n\n\u003cp style=\"text-transform:none;font-weight:600;font-size:1.05em;color:#4a7ab5\"\u003eFrequently Asked Questions\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat is a grommet pad?\u003c\/strong\u003e\u003cbr\u003e\nA grommet pad has straight through-holes for fasteners and provides galvanic isolation between stainless hardware and the aluminum substrate — preventing corrosion at the contact point.\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat is the center vent hole for?\u003c\/strong\u003e\u003cbr\u003e\nThe center vent hole allows trapped air and gases to escape during welding, preventing blow-through and ensuring a clean, full-penetration weld.\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eDoes this pad have a matching countersunk pad?\u003c\/strong\u003e\u003cbr\u003e\nYes — SKU 0164 pairs with SKU 0178, a 1\/4\" thick 5\" x 7\" rectangular countersunk pad with the same hole pattern. The grommet pad goes on the inside of the pedestal wall; the CS pad goes on the outside for a flush finish.\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat does galvanic isolation mean?\u003c\/strong\u003e\u003cbr\u003e\nWhen stainless steel fasteners contact aluminum directly, a corrosion-causing electrical reaction can occur. A grommet pad sits between them, breaking the circuit and protecting both materials.\u003c\/p\u003e\n\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"name\": \"1\/4\" Thick 5\" x 7\" Rectangular Aluminum Grommet Pad | 4 Through-Holes + Center Vent | Marine Grade 6061-T6\",\n      \"sku\": \"0164\",\n      \"mpn\": \"0164\",\n      \"brand\": { \"@type\": \"Brand\", \"name\": \"Welding World\" },\n      \"description\": \"5 x 7 inch rectangular aluminum grommet pad with 4 through-holes and center vent. 1\/4 inch thick, 6061-T6, galvanic isolation for fiberglass deck assemblies. Pairs with SKU 0178.\",\n      \"material\": \"Aluminum 6061-T6\",\n      \"category\": \"Marine Deck Hardware\",\n      \"offers\": { \"@type\": \"Offer\", \"price\": \"16.00\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": { \"@type\": \"Organization\", \"name\": \"Welding World\" } }\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        { \"@type\": \"Question\", \"name\": \"What is a grommet pad?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"A grommet pad has straight through-holes for fasteners and provides galvanic isolation between stainless hardware and the aluminum substrate — preventing corrosion at the contact point.\" } },\n        { \"@type\": \"Question\", \"name\": \"What is the center vent hole for?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"The center vent hole allows trapped air and gases to escape during welding, preventing blow-through and ensuring a clean, full-penetration weld.\" } },\n        { \"@type\": \"Question\", \"name\": \"Does this pad have a matching countersunk pad?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Yes — SKU 0164 pairs with SKU 0178, a 1\/4 inch thick 5 x 7 inch rectangular countersunk pad with the same hole pattern. The grommet pad goes on the inside of the pedestal wall; the CS pad goes on the outside for a flush finish.\" } },\n        { \"@type\": \"Question\", \"name\": \"What does galvanic isolation mean?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"When stainless steel fasteners contact aluminum directly, a corrosion-causing electrical reaction can occur. A grommet pad sits between them, breaking the circuit and protecting both materials.\" } }\n      ]\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Welding World","offers":[{"title":"Default Title","offer_id":42976212516925,"sku":"Part Number: 0164","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0494\/7717\/files\/00164.png?v=1779211130","url":"https:\/\/weldingworldinc.com\/products\/1-4-thick-5-x-7-rectangular-aluminum-grommet-pad-center-vent-marine-grade-6061-t6","provider":"Welding World, Inc.","version":"1.0","type":"link"}