{"product_id":"0-25-x-7-x-5-6h-grommet-pad","title":"1\/4\" Thick 7.25\" x 5\" Oblong Aluminum Backing Plate | 6-Hole 5\/16\" | 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\u003eSix-Hole Oblong Aluminum Backing Plate\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003ePrecision CNC-machined 6061-T6 aluminum oblong backing plate with six 5\/16\" through-holes. Designed to pair specifically with \u003ca href=\"https:\/\/weldingworldinc.com\/products\/1-4-thick-7-25-x-5-oblong-aluminum-countersunk-pad-6-hole-5-16-marine-grade-6061-t6\"\u003eSKU 0069-B (matching countersunk pad)\u003c\/a\u003e in a sandwich assembly — the screw enters through the countersunk pad and passes through the mounting surface, and nuts thread onto the fastener behind this backing plate to lock the assembly. 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. Through-holes match the same bolt-circle pattern as \u003ca href=\"https:\/\/weldingworldinc.com\/products\/1-4-thick-7-25-x-5-oblong-aluminum-countersunk-pad-6-hole-5-16-marine-grade-6061-t6\"\u003eSKU 0069-B\u003c\/a\u003e for perfect alignment. Solid center — no passthrough hole.\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\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e7.25\" × 5\" (L × W)\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\u003eMounting Holes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e6 through-holes (5\/16\" dia.)\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 Passthrough\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003eNone (solid center)\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\"\u003eOblong\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\u003ca href=\"https:\/\/weldingworldinc.com\/products\/1-4-thick-7-25-x-5-oblong-aluminum-countersunk-pad-6-hole-5-16-marine-grade-6061-t6\"\u003eSKU 0069-B — 7.25\" × 5\" Oblong countersunk pad\u003c\/a\u003e\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\"\u003e0.7 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 — used as a backing plate behind a countersunk pad in through-bolted assemblies on top or through the side of deck pedestals, and through fiberglass skins on hardtops.\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 backing plate?\u003c\/strong\u003e\u003cbr\u003e\nA backing plate sits behind a countersunk pad in a sandwich assembly. The screw enters through the countersunk pad and passes through the mounting surface — whether on top of a pedestal, through the side of a pedestal, or through the fiberglass skin of a hardtop or T-top — and nuts thread onto the fastener behind this backing plate, locking the assembly together and distributing fastener loads to prevent damage to the fiberglass.\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhy no center passthrough on this plate?\u003c\/strong\u003e\u003cbr\u003e\nThis backing plate has a solid center — no passthrough hole. The matching CS pad (\u003ca href=\"https:\/\/weldingworldinc.com\/products\/1-4-thick-7-25-x-5-oblong-aluminum-countersunk-pad-6-hole-5-16-marine-grade-6061-t6\"\u003eSKU 0069-B\u003c\/a\u003e) has the 1.5\" center passthrough for cable and hose routing. The backing plate only needs the 6 through-holes for the fasteners.\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat size fasteners does this plate use?\u003c\/strong\u003e\u003cbr\u003e\nThe six through-holes are 5\/16\" diameter, sized for 1\/4\" bolts or screws with washers. Use 1\/4\"-20 stainless hardware for best results.\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 7.25\" x 5\" Oblong Aluminum Backing Plate | 6-Hole 5\/16\" | Marine Grade 6061-T6\",\n      \"sku\": \"0100\",\n      \"mpn\": \"0100\",\n      \"brand\": { \"@type\": \"Brand\", \"name\": \"Welding World\" },\n      \"description\": \"7.25 x 5 inch oblong aluminum backing plate, 1\/4 inch thick, 6 through-holes matching the same bolt-circle pattern as SKU 0069-B for perfect alignment in sandwich assemblies on top or through the side of deck pedestals, or through fiberglass hardtop and T-top skins.\",\n      \"material\": \"Aluminum 6061-T6\",\n      \"category\": \"Marine Deck Hardware\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"seller\": { \"@type\": \"Organization\", \"name\": \"Welding World\" }\n      }\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is a backing plate?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A backing plate sits behind a countersunk pad in a sandwich assembly. 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