{"product_id":"d3-2-5-dia-grommet-pad-lh","title":"3\/8\" Thick 2.5\" Diameter D-Pipe Aluminum Grommet Pad | Left Hand | D3 Profile | 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\u003eLeft-Hand Grommet Pad for D3 D-Profile Pipe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e3\/8\" thick marine-grade 6061-T6 aluminum grommet pad designed to wrap around D3 D-profile pipe. Through-holes with grommet inserts provide galvanic isolation between stainless hardware and the aluminum substrate while distributing fastener loads over a wider surface area to prevent deck damage. The 2.5\" round profile fits D3 pipe contours. Left-hand orientation — pair with \u003ca href=\"\/es\/products\/d3-2-5-dia-grommet-pad-rh\" style=\"color:#4a7ab5;text-decoration:underline\"\u003eSKU 0059-R\u003c\/a\u003e for symmetrical port\/starboard installations.\u003c\/p\u003e\n\n\u003ctable style=\"font-size:0.9em\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\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\"\u003e\u003cstrong\u003eProfile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\u003e2.5\" Diameter Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\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\"\u003e\u003cstrong\u003ePipe Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\u003eD3 D-Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff\"\u003e\u003cstrong\u003eMounting Holes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\u003eThrough-holes with grommet inserts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff\"\u003e\u003cstrong\u003eOrientation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\u003eLeft Hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff\"\u003e\u003cstrong\u003ePairs With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\u003e\n\u003ca href=\"\/es\/products\/d3-2-5-dia-grommet-pad-rh\" style=\"color:#4a7ab5;text-decoration:underline\"\u003eSKU 0059-R\u003c\/a\u003e (Right Hand)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#1a1a1a;text-transform:none;color:#ffffff\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\u003eMatte — 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\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight:400\"\u003e0.531 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-top leg mounts, tower installations, center console hard tops, radar arch mounts, and offshore fiberglass structures where a D-profile pipe needs a grommeted mounting surface with galvanic isolation.\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\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat does a grommet pad do?\u003c\/strong\u003e\u003cbr\u003eA grommet pad wraps around the D-profile pipe with through-holes that accept grommet inserts. The inserts provide galvanic isolation between stainless steel hardware and the aluminum deck substrate while distributing fastener loads to prevent cracking or damage to the fiberglass.\u003c\/p\u003e\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat does \"Left Hand\" mean?\u003c\/strong\u003e\u003cbr\u003eLeft-hand orientation means this pad mirrors the right-hand version (SKU 0059-R). Pair both for symmetrical port\/starboard installations on T-tops and towers.\u003c\/p\u003e\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eWhat does D3 mean?\u003c\/strong\u003e\u003cbr\u003eD3 refers to the D-profile pipe size this pad matches — a 3\" wide D-shaped aluminum profile commonly used in T-top and tower construction.\u003c\/p\u003e\n\u003cp style=\"font-weight:400;font-size:0.9em\"\u003e\u003cstrong\u003eHow is this different from an internal mounting pad?\u003c\/strong\u003e\u003cbr\u003eAn internal mounting pad welds inside the pipe with tapped holes for invisible fastener installation. This grommet pad mounts on the outside of the pipe with through-holes and grommet inserts, providing galvanic isolation and external fastener access.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"name\":\"3\/8 Inch Thick 2.5 Inch Diameter D-Pipe Grommet Pad Left Hand for D3 Profile\",\"sku\":\"0059-L\",\"mpn\":\"0059-L\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Welding World\"},\"description\":\"3\/8 inch thick 2.5 inch diameter 6061-T6 aluminum grommet pad for D3 D-profile pipe. Left hand. Galvanic isolation with grommet inserts. Pairs with SKU 0059-R.\",\"material\":\"Aluminum 6061-T6\",\"category\":\"Watercraft Parts and Accessories \u003e Boat Hardware\",\"offers\":{\"@type\":\"Offer\",\"price\":\"18.00\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"}},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does a grommet pad do?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A grommet pad wraps around D-profile pipe with through-holes and grommet inserts that provide galvanic isolation between stainless hardware and aluminum, distributing fastener loads to prevent fiberglass damage.\"}},{\"@type\":\"Question\",\"name\":\"What does Left Hand mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Left-hand orientation mirrors the right-hand version. Pair both for symmetrical port\/starboard installations.\"}},{\"@type\":\"Question\",\"name\":\"What does D3 mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"D3 is a 3 inch wide D-shaped aluminum pipe profile used in T-top and tower construction.\"}},{\"@type\":\"Question\",\"name\":\"How is this different from an internal mounting pad?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Internal mounting pads weld inside the pipe with tapped holes for invisible installation. Grommet pads mount on the outside with through-holes and grommet inserts for galvanic isolation and external fastener access.\"}}]}]}\n\u003c\/script\u003e","brand":"Welding World, Inc.","offers":[{"title":"Default Title","offer_id":42951275511869,"sku":"0059-L","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0494\/7717\/files\/0059-L.png?v=1779210577","url":"https:\/\/weldingworldinc.com\/es\/products\/d3-2-5-dia-grommet-pad-lh","provider":"Welding World, Inc.","version":"1.0","type":"link"}