{"product_id":"sea-dog-281900-1-90-degree-rail-fitting-rectangular-base-7-8-tube-od-316-stainless-steel","title":"Sea-Dog 281900-1 90 Degree Rectangular Base Rail Fitting, 7\/8 Inch Tube","description":"\u003cp\u003eThe Sea-Dog 281900-1 is a 90 degree rectangular base rail fitting designed to join a 7\/8 inch outer diameter rail tube to a flat mounting surface at a right angle. It is investment cast from 316 stainless steel, a corrosion resistant alloy well suited to saltwater exposure on deck rails, bimini frames, and other tubular rail assemblies. The rectangular base measures 1-11\/16 inch by 3 inch and is drilled for #10 flat head fasteners.\u003c\/p\u003e\u003cp\u003eWhere appropriate for the fitting design, a set screw secures the tube inside the fitting; a 1\/8 inch Allen wrench is required to install it. Matching set screws are also available separately for replacement. The fitting mounts to the base surface using four flat head fasteners, which are not included, and is built for use with tubing having a stainless wall thickness of 0.049 inch.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sea-Dog\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 281900-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Type:\u003c\/strong\u003e 90 Degree Rectangular Base Rail Fitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Outer Diameter:\u003c\/strong\u003e 7\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Dimensions:\u003c\/strong\u003e 1-11\/16 inch x 3 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Size:\u003c\/strong\u003e #10 Flat Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel, Investment Cast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Corrosion Resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Tube Wall Thickness:\u003c\/strong\u003e 0.049 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.41 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Tool Required:\u003c\/strong\u003e 1\/8 inch Allen Wrench\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Fasteners:\u003c\/strong\u003e Four Flat Head Fasteners (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 035514281072\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits 7\/8 inch outer diameter rail tubing.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat tube diameter does the Sea-Dog 281900-1 fit?\u003c\/strong\u003e The 281900-1 fits 7\/8 inch outer diameter rail tubing, matching it to the rectangular base for a 90 degree connection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is this rail fitting made from?\u003c\/strong\u003e It is investment cast from 316 stainless steel, a corrosion resistant alloy suited to marine environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat angle does the 281900-1 create between the tube and the mounting surface?\u003c\/strong\u003e A 90 degree angle, joining the rail tube to a flat base at a right angle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the base dimensions of this fitting?\u003c\/strong\u003e The rectangular base measures 1-11\/16 inch by 3 inch on the Sea-Dog 281900-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre mounting fasteners included with the 281900-1?\u003c\/strong\u003e No. The fitting mounts with four #10 flat head fasteners that are not included and must be purchased separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat tool is needed to install this fitting?\u003c\/strong\u003e A 1\/8 inch Allen wrench is required to install the Sea-Dog 281900-1, which uses a set screw to secure the tube.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I buy a replacement set screw for this fitting?\u003c\/strong\u003e Yes, a matching set screw for the 281900-1 is available separately as part number 299999-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 281900-1 weigh?\u003c\/strong\u003e The Sea-Dog 281900-1 weighs 0.41 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat wall thickness of rail tube does this fitting accommodate?\u003c\/strong\u003e It is built for stainless tubing with a wall thickness of 0.049 inch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a version of this fitting for 1 inch tube?\u003c\/strong\u003e Yes, Sea-Dog offers a 1 inch tube version of the 90 degree rectangular base fitting under a different part number, 281901-1, so confirm your tube diameter before ordering the 281900-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this fitting rust or corrode on a boat?\u003c\/strong\u003e The 281900-1 is investment cast 316 stainless steel, chosen specifically for corrosion resistance in marine use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order the 281900-1?\u003c\/strong\u003e You receive the Sea-Dog 281900-1 rail fitting itself; mounting fasteners and the installation Allen wrench are not included.\u003c\/p\u003e","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":48988561211611,"sku":"S-D-281900-1","price":14.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/3946_4580ab25-da9c-4c9e-9e5d-35cc59a11571.jpg?v=1784423293","url":"https:\/\/www.goodvibesmarina.com\/products\/sea-dog-281900-1-90-degree-rail-fitting-rectangular-base-7-8-tube-od-316-stainless-steel","provider":"Good Vibes Marina","version":"1.0","type":"link"}