{"product_id":"ww-r6-x-3h-cs-pad","title":"3\/8\" Thick 6.125\" OD Round Aluminum Countersunk Pad | 3 Countersunk 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\u003e6.125\" OD Round Countersunk Pad with Center Weld Vent — 25\/64\" Holes\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003ePrecision CNC-machined 6061-T6 aluminum round countersunk pad with three mounting holes and a center vent. Designed for flush-mount fastening on fiberglass pedestal surfaces in saltwater marine environments. Three countersunk outer holes allow countersunk head screws to sit flush with the pad surface, while the center vent provides weld gas release during installation. The 25\/64\" mounting holes are sized for 3\/8\" fasteners. 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\u003eOutside Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003e6.125\" (156 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\"\u003e3\/8\" (0.375\")\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\"\u003e3 countersunk (25\/64\" dia. for 3\/8\" fasteners)\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\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400;border:1px solid #ffffff\"\u003eRound\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\"\u003e1.06 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, bow rails, outrigger mounts, rod holders — 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\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 does \"countersunk\" mean for this pad?\u003c\/strong\u003e\u003cbr\u003e\nCountersunk means the mounting holes are chamfered so countersunk head screws sit flush with the pad surface — no protruding screw heads that could snag lines or cause injury.\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\u003eCan this pad be used on a fiberglass deck?\u003c\/strong\u003e\u003cbr\u003e\nYes — this pad is designed for fiberglass pedestal installations. The countersunk holes accommodate countersunk head screws, and the pad distributes fastener loads over a wider surface area to prevent deck damage.\u003c\/p\u003e\n\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat size fasteners do I need?\u003c\/strong\u003e\u003cbr\u003e\nThe three countersunk holes are 25\/64\" diameter, sized for 3\/8\" fasteners. Use 3\/8\"-16 stainless countersunk head screws 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\": \"3\/8\" Thick 6.125\" OD Round Aluminum Countersunk Pad | 3 Countersunk Holes + Center Vent | Marine Grade 6061-T6\",\n      \"sku\": \"1011\",\n      \"mpn\": \"1011\",\n      \"brand\": { \"@type\": \"Brand\", \"name\": \"Welding World\" },\n      \"description\": \"6.125 inch round aluminum countersunk pad with 3 mounting holes and center vent. 3\/8 inch thick, 6061-T6, 25\/64 inch hole diameter for flush-mount fastening on fiberglass decks.\",\n      \"material\": \"Aluminum 6061-T6\",\n      \"category\": \"Marine Deck Hardware\",\n      \"offers\": { \"@type\": \"Offer\", \"price\": \"22.00\", \"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 does countersunk mean for this pad?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Countersunk means the mounting holes are chamfered so countersunk head screws sit flush with the pad surface — no protruding screw heads that could snag lines or cause injury.\" } },\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\": \"Can this pad be used on a fiberglass deck?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Yes — this pad is designed for fiberglass pedestal installations. 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