{"product_id":"316-stainless-steel-marine-rail-fittings-slide-caps-sleeves-bases","title":"316 Stainless Steel Marine Rail Fittings – Slide Caps, Sleeves \u0026 Mount Bases for Boat Bimini Tops \u0026 Canopies","description":"\u003cstyle\u003e\n\/* 统一前缀 hdiy-，防止污染商店全局样式 *\/\n.hdiy-product-block h2, .hdiy-product-block h3 {\n  margin-top: 1.5rem;\n  margin-bottom: 0.75rem;\n  border-bottom: 1px solid #eaeaea;\n  padding-bottom: 0.5rem;\n}\n.hdiy-product-block ul {\n  margin: 0.5rem 0 1rem 1.5rem;\n  padding-left: 0;\n  list-style-position: outside;\n}\n.hdiy-product-block li {\n  margin-bottom: 0.75rem;\n  line-height: 1.5;\n}\n.hdiy-product-block p {\n  margin-bottom: 1rem;\n}\n.hdiy-table-wrapper {\n  width: 100%;\n  overflow-x: auto;\n  -webkit-overflow-scrolling: touch;\n  margin: 1rem 0;\n}\n.hdiy-product-block table {\n  width: 100%;\n  border-collapse: collapse;\n  font-size: 0.95rem;\n  min-width: 400px;\n}\n.hdiy-product-block th, .hdiy-product-block td {\n  border: 1px solid #ddd;\n  padding: 0.75rem;\n  text-align: left;\n  vertical-align: middle;\n}\n.hdiy-product-block th {\n  background-color: #f5f5f5;\n  font-weight: 600;\n}\n.hdiy-product-block .faq-item {\n  border: 1px solid #eee;\n  border-radius: 6px;\n  padding: 1rem;\n  margin-bottom: 0.75rem;\n  background-color: #fafafa;\n}\n.hdiy-product-block .faq-question {\n  font-weight: 700;\n  margin-bottom: 0.25rem;\n  display: block;\n}\n.hdiy-product-block .faq-answer {\n  margin: 0;\n  line-height: 1.6;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"hdiy-product-block\"\u003e\n\u003c!-- 1. Product Overview --\u003e\n\u003ch2\u003e🛡️ Marine Grade 316 Stainless Steel Rail Fittings Kit – Slide Caps, Sleeves \u0026amp; Mount Bases for Boat Bimini Tops \u0026amp; Canopies\u003c\/h2\u003e\n\u003cp\u003eWhether you are building a custom bimini top for your pontoon, replacing a broken slide cap on your yacht's railing, or reinforcing your fast boat's canopy frame, this 316 stainless steel hardware kit gives you the versatility and durability you need. Each piece is precision-crafted using the silica sol investment casting process, ensuring a flawless, mirror-polished finish and exceptional resistance to saltwater corrosion. From the flexible slide caps and sleeves to the heavy-duty top mount and pin mount bases, this collection has all the right components to connect and secure your boat's tubular rails and frames with confidence.\u003c\/p\u003e\n\u003c!-- 2. Product Features --\u003e\n\u003ch2\u003e🔧 Key Features of These 316 Stainless Steel Rail Fittings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 316 Marine Grade Stainless Steel:\u003c\/strong\u003e Unlike standard hardware, these fittings are made from high-quality 316 stainless steel. This material offers superior resistance to rust, pitting, and corrosion from saltwater, making it the perfect choice for boats, yachts, and marine canopies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Slide Cap \u0026amp; Sleeve Options:\u003c\/strong\u003e The slide caps and sleeves are designed to fit tubing sizes from 20mm to 32mm. The single set screw design allows for quick and secure attachment to your rail system, with a pre-drilled hole for a clean, professional finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Duty Top Mount \u0026amp; Pin Mount Bases:\u003c\/strong\u003e The top mount base (Standard Mount) and the pin mount base (Pin Style) provide a solid foundation for attaching rails to your boat's deck or gunwale. They feature two countersunk mounting holes for a secure, flush fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Silica Sol Investment Casting:\u003c\/strong\u003e Each component is manufactured using the silica sol investment casting process, which produces a denser, smoother, and stronger part than traditional sand casting. This ensures a flawless surface and long-lasting structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMirror Polished Finish for a Premium Look:\u003c\/strong\u003e Every fitting is hand-polished to a bright, mirror-like finish. This not only enhances the visual appeal of your boat's railing system but also makes cleaning and maintenance a breeze – salt and grime wipe right off.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 3. Specifications Table --\u003e\n\u003ch2\u003e📐 Product Specifications\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarine Grade 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCasting Process\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilica Sol Investment Casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMirror Polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponents Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlide Caps, Slide Sleeves, Top Mount Bases (Standard), Pin Mount Bases (Pin Style), Bolt Clamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20mm, 22mm, 25mm, 30mm, 32mm (Check specific product listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Holes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Countersunk holes on base plates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolt Clamp Mechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough-bolt design for secure tube clamping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBimini tops, dodgers, railings, canopies, awnings, radar arches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- 4. Frequently Asked Questions (FAQ) --\u003e\n\u003ch2\u003e❓ Frequently Asked Questions About Marine Rail Fittings\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cspan class=\"faq-question\"\u003eWhat is the difference between the slide cap and the slide sleeve?\u003c\/span\u003e\n\u003cp class=\"faq-answer\"\u003eA slide cap (Style 1 in the images) has a closed top with an integrated mounting eye, making it ideal for end-of-rail applications where you need to attach a strap or a top connection. A slide sleeve (Style 2) is open on both ends and sits in the middle of a rail section, often used to join or support rails where a side attachment is needed. Both use a set screw to secure them to the tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cspan class=\"faq-question\"\u003eHow do I choose the correct size for my boat's railing tube?\u003c\/span\u003e\n\u003cp class=\"faq-answer\"\u003eMeasure the outer diameter (OD) of your existing railing tube. Our fittings are available in standard sizes: 20mm, 22mm, 25mm, 30mm, and 32mm. For example, if your tube measures 25mm, select the 25mm slide cap or sleeve. Using the right size ensures a tight, secure fit and prevents movement or rattling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cspan class=\"faq-question\"\u003eWhat is the difference between the standard top-mount base and the pin-mount base?\u003c\/span\u003e\n\u003cp class=\"faq-answer\"\u003eThe standard top-mount base (Style 3) has a fixed bracket that holds the rail upright. It is secured with a through-bolt or screw. The pin mount base (Style 4) features a quick-release pin system, allowing you to easily detach the rail from the base without undoing bolts. This is very convenient for folding canopy systems or applications where you need to remove the framework quickly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cspan class=\"faq-question\"\u003eDo I need to drill holes in my boat to install these fittings?\u003c\/span\u003e\n\u003cp class=\"faq-answer\"\u003eYes, for the top mount and pin mount bases, you will need to drill pilot holes and secure them with screws or bolts. For the slide caps and sleeves, you will need to drill a small pilot hole into your rail tube before installing the set screw. We recommend using marine-grade sealant on all holes to ensure a watertight seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cspan class=\"faq-question\"\u003eWhat hardware is included with the bolt clamps?\u003c\/span\u003e\n\u003cp class=\"faq-answer\"\u003eThe bolt clamps come with the stainless steel clamping tube and the required stainless steel bolt and nut for tightening. They do not include mounting screws for the base, as you will need to select the appropriate length for your deck thickness. The base of the clamp is pre-drilled for standard marine fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Deck Hinge","offer_id":52274607849746,"sku":"HKTBCLA370001","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Bolt Pipe Clamp 22mm","offer_id":52274607882514,"sku":"HKTBCLA370002","price":21.0,"currency_code":"USD","in_stock":true},{"title":"Slide Sleeve 32mm","offer_id":52274607915282,"sku":"HKTBCLA370003","price":21.5,"currency_code":"USD","in_stock":true},{"title":"Slide Cap 25mm","offer_id":52274607948050,"sku":"HKTBCLA370004","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Slide Cap 22mm","offer_id":52274607980818,"sku":"HKTBCLA370005","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Slide Cap 32mm","offer_id":52274608013586,"sku":"HKTBCLA370006","price":23.0,"currency_code":"USD","in_stock":true},{"title":"Slide Sleeve 25mm","offer_id":52274608046354,"sku":"HKTBCLA370007","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Slide Sleeve 22mm","offer_id":52274608079122,"sku":"HKTBCLA370008","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Slide Sleeve 30mm","offer_id":52274608111890,"sku":"HKTBCLA370009","price":20.0,"currency_code":"USD","in_stock":true},{"title":"Slide Cap 30mm","offer_id":52274608144658,"sku":"HKTBCLA370010","price":20.0,"currency_code":"USD","in_stock":true},{"title":"Slide Sleeve 20mm","offer_id":52274608177426,"sku":"HKTBCLA370011","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Pin-Type Deck Hinge","offer_id":52274608210194,"sku":"HKTBCLA370012","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Slide Cap 20mm","offer_id":52274608242962,"sku":"HKTBCLA370013","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Bolt Pipe Clamp 25mm","offer_id":52274608275730,"sku":"HKTBCLA370014","price":23.0,"currency_code":"USD","in_stock":true},{"title":"Bolt Pipe Clamp 30mm","offer_id":52274608308498,"sku":"HKTBCLA370015","price":25.0,"currency_code":"USD","in_stock":true},{"title":"Bolt Pipe Clamp 32mm","offer_id":52274608341266,"sku":"HKTBCLA370016","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/O1CN01DOEqFo1bbGGmpaIMu__524163483.jpg?v=1778839099","url":"https:\/\/homediyer.com\/products\/316-stainless-steel-marine-rail-fittings-slide-caps-sleeves-bases","provider":"HomeDIYer","version":"1.0","type":"link"}