{"id":7045,"date":"2026-06-23T14:45:16","date_gmt":"2026-06-23T06:45:16","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7045"},"modified":"2026-06-23T14:47:06","modified_gmt":"2026-06-23T06:47:06","slug":"stainless-steel-316-hex-bolts-supplier","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/stainless-steel-316-hex-bolts-supplier\/","title":{"rendered":"Stainless Steel 316 Hex Bolts Supplier"},"content":{"rendered":"\n<style>\n.xz-wp-ss316-hex-bolts-page{--xz-navy:#0b2742;--xz-blue:#123f66;--xz-accent:#1c6ea4;--xz-ink:#1d2c3a;--xz-muted:#4d6072;--xz-light:#eef4f9;--xz-soft:#f7fafc;--xz-line:#d7e3ec;--xz-white:#ffffff;font-family:Arial,Helvetica,sans-serif;color:var(--xz-ink);line-height:1.68;background:var(--xz-white)}\n.xz-wp-ss316-hex-bolts-page *{box-sizing:border-box}\n.xz-wp-ss316-hex-bolts-page a{color:#0e5f92;text-decoration:underline;text-underline-offset:3px}\n.xz-wp-ss316-hex-bolts-page .xz-wrap{max-width:1180px;margin:0 auto;padding:0 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11px;border-radius:4px;font-size:14px}\n.xz-wp-ss316-hex-bolts-page details{border:1px solid var(--xz-line);border-radius:8px;background:#fff;margin:12px 0;padding:0}\n.xz-wp-ss316-hex-bolts-page summary{cursor:pointer;font-weight:700;color:var(--xz-navy);padding:15px 18px;background:#f6f9fc;border-radius:8px}\n.xz-wp-ss316-hex-bolts-page details p{padding:0 18px 16px;margin:0;color:#26384a}\n.xz-wp-ss316-hex-bolts-page .xz-cta{background:var(--xz-navy);color:#fff;border-radius:8px;padding:30px;margin-top:18px}\n.xz-wp-ss316-hex-bolts-page .xz-cta h2{color:#fff;margin-bottom:12px}\n.xz-wp-ss316-hex-bolts-page .xz-cta p{color:#e9f3fb}\n.xz-wp-ss316-hex-bolts-page .xz-cta a{color:#fff;font-weight:700}\n@media(max-width:900px){.xz-wp-ss316-hex-bolts-page .xz-hero-grid,.xz-wp-ss316-hex-bolts-page .xz-grid-2{grid-template-columns:1fr}.xz-wp-ss316-hex-bolts-page .xz-specs{grid-template-columns:1fr 1fr}.xz-wp-ss316-hex-bolts-page h1{font-size:34px}}\n@media(max-width:560px){.xz-wp-ss316-hex-bolts-page .xz-specs{grid-template-columns:1fr}.xz-wp-ss316-hex-bolts-page h1{font-size:30px}.xz-wp-ss316-hex-bolts-page .xz-hero{padding:40px 0}.xz-wp-ss316-hex-bolts-page th,.xz-wp-ss316-hex-bolts-page td{font-size:14px;padding:10px}}\n<\/style>\n\n<article class=\"xz-wp-ss316-hex-bolts-page\">\n  <section class=\"xz-hero\">\n    <div class=\"xz-wrap xz-hero-grid\">\n      <div>\n        <h1>Stainless Steel 316 Hex Bolts Supplier for Corrosion-Resistant Assemblies<\/h1>\n        <p>XZ Fastener supplies Stainless Steel 316 Hex Bolts for buyers who need corrosion-resistant fastening in marine, chemical, outdoor, food equipment, and general industrial assemblies. These metric hex head bolts can be supplied as DIN 933 full thread hex bolts, ISO 4017 equivalents, DIN 931 partial thread bolts, or drawing-based parts according to order requirement. Common requests include A4-70, A4-80, plain finish, passivation, waxed threads, and matching stainless nuts and washers. Share the size list, thread pitch, quantity, and inspection needs so the quotation can reflect the exact application.<\/p>\n        <div class=\"xz-badges\">\n          <span class=\"xz-badge\">316 \/ A4 Stainless Steel<\/span>\n          <span class=\"xz-badge\">DIN 933 \/ ISO 4017<\/span>\n          <span class=\"xz-badge\">A4-70 \/ A4-80<\/span>\n          <span class=\"xz-badge\">Bulk Export Orders<\/span>\n        <\/div>\n      <\/div>\n      <div class=\"xz-hero-card\">\n        <img decoding=\"async\" src=\"https:\/\/xzfastener.com\/wp-content\/uploads\/2026\/05\/Stainless-Steel-316-Hex-Bolts-M3-M4-M5-M6-M8.webp\" alt=\"Stainless steel 316 hex bolts supplied by XZ Fastener\">\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>Quick Specs<\/h2>\n      <div class=\"xz-specs\">\n        <div class=\"xz-spec\"><strong>Standard<\/strong><span>DIN 933, ISO 4017, DIN 931, ISO 4014, ASME inch hex cap screw options, or drawing-based parts.<\/span><\/div>\n        <div class=\"xz-spec\"><strong>Strength<\/strong><span>A4-70, A4-80, and specified stainless steel property classes according to order requirement.<\/span><\/div>\n        <div class=\"xz-spec\"><strong>Material<\/strong><span>Stainless steel 316, A4, SUS316, 1.4401, 1.4408, or equivalent material as specified.<\/span><\/div>\n        <div class=\"xz-spec\"><strong>Finish<\/strong><span>Plain, passivated, polished, waxed thread, anti-seize treatment, or special coating available upon request.<\/span><\/div>\n        <div class=\"xz-spec\"><strong>Application<\/strong><span>Marine hardware, chemical equipment, pumps, valves, outdoor structures, food equipment, and water treatment systems.<\/span><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>What Buyers Should Know Before Sourcing Stainless Steel 316 Hex Bolts<\/h2>\n      <p>316 stainless steel hex bolts are selected when corrosion resistance is more important than simply lowering piece cost. Compared with 304 stainless steel, 316 contains molybdenum, which improves resistance in chloride, humid, and marine-related environments. Buyers comparing grades can review this practical guide on <a href=\"https:\/\/xzfastener.com\/304-vs-316-stainless-steel-bolts-which-one-is-better\/\">304 vs 316 stainless steel bolts<\/a> before confirming the purchase specification.<\/p>\n      <p>For metric assemblies, the most common request is <a href=\"https:\/\/xzfastener.com\/products\/stainless-steel-316-hex-head-full-thread-bolts-m3-m36-metric-sizes-corrosion-resistant-industrial-fasteners\/\">stainless steel 316 hex head full thread bolts<\/a> in DIN 933 or ISO 4017 style. Confirm the thread pitch, length, head marking, nut grade, washer type, and whether the bolts will be installed in a wet, salty, acidic, or high-temperature area.<\/p>\n      <div class=\"xz-note\">\n        <p><strong>Procurement tip:<\/strong> Stainless steel 316 is not the same as high-tensile carbon steel. If tensile strength is the main requirement, Grade 8.8 carbon steel hex bolts may be suitable. If corrosion resistance is the main requirement, 316 or A4 stainless steel is often preferred.<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>Common Purchasing Descriptions<\/h2>\n      <p>Different buyers may describe the same product in several ways. XZ Fastener can review the description and help confirm the equivalent standard, thread, grade, and finish before production.<\/p>\n      <div class=\"xz-pill-list\">\n        <span class=\"xz-pill\">Stainless steel 316 hex bolts M6 to M36<\/span>\n        <span class=\"xz-pill\">A4-70 DIN 933 full thread hex bolts<\/span>\n        <span class=\"xz-pill\">A4-80 ISO 4017 metric hex head bolts<\/span>\n        <span class=\"xz-pill\">316 stainless steel hex cap screws<\/span>\n        <span class=\"xz-pill\">316 hex bolts with stainless nuts and washers<\/span>\n        <span class=\"xz-pill\">Marine grade stainless steel hex bolts<\/span>\n      <\/div>\n      <p>For carbon steel alternatives, buyers may also request <a href=\"https:\/\/xzfastener.com\/products\/din-933-iso-4017-full-thread-hex-head-bolts-carbon-steel-metric-hexagon-bolts-available-in-zinc-plated-yellow-zinc-black-oxide-hot-dip-galvanized-dacromet-and-geomet-finishes-grade-4-8-8-8-10-9\/\">DIN 933 full thread hex bolts<\/a> in Grade 8.8, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, or hot dip galvanized DIN 933 bolts according to project environment and cost target.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>Detailed Specifications Table<\/h2>\n      <table>\n        <tbody>\n          <tr><th>Specification Item<\/th><th>Available Options and Buyer Notes<\/th><\/tr>\n          <tr><td>Product name<\/td><td>Stainless steel 316 hex bolts, A4 stainless hex bolts, 316 hex head bolts, 316 hex cap screws.<\/td><\/tr>\n          <tr><td>Standard<\/td><td>DIN 933 full thread, ISO 4017 full thread, DIN 931 partial thread, ISO 4014 partial thread, ASME inch pattern, or custom drawing.<\/td><\/tr>\n          <tr><td>Size range<\/td><td>Common metric sizes include M3 to M36. Larger or special sizes can be checked according to order requirement.<\/td><\/tr>\n          <tr><td>Length range<\/td><td>Short, medium, and long lengths available according to standard table or drawing requirement.<\/td><\/tr>\n          <tr><td>Thread type<\/td><td>Metric coarse thread, metric fine thread, UNC, UNF, or other specified thread form.<\/td><\/tr>\n          <tr><td>Material<\/td><td>316, A4, SUS316, 1.4401, or equivalent stainless steel grade specified by buyer.<\/td><\/tr>\n          <tr><td>Strength class<\/td><td>A4-70 and A4-80 are common. Final availability depends on diameter, production method, and order requirement.<\/td><\/tr>\n          <tr><td>Finish<\/td><td>Plain stainless, passivated, polished, waxed thread, anti-seize treatment, PTFE, or other surface treatment upon request.<\/td><\/tr>\n          <tr><td>Matching parts<\/td><td>316 stainless hex nuts, heavy hex nuts, flat washers, spring washers, lock nuts, or complete bolt-nut-washer sets.<\/td><\/tr>\n          <tr><td>Inspection<\/td><td>Dimension check, thread gauge, tensile test, proof load, hardness reference, material report, surface inspection, and packaging check as specified.<\/td><\/tr>\n          <tr><td>Packaging<\/td><td>Bulk cartons, small boxes, plastic bags, palletized cartons, labels, barcodes, and private label packaging according to order requirement.<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n\n      <h3>Common Metric Size Reference<\/h3>\n      <table>\n        <thead>\n          <tr><th>Thread Size<\/th><th>Standard Pitch<\/th><th>Typical Full Thread Standard<\/th><th>Typical Partial Thread Standard<\/th><\/tr>\n        <\/thead>\n        <tbody>\n          <tr><td>M6<\/td><td>1.0 mm<\/td><td>DIN 933 \/ ISO 4017<\/td><td>DIN 931 \/ ISO 4014<\/td><\/tr>\n          <tr><td>M8<\/td><td>1.25 mm<\/td><td>DIN 933 \/ ISO 4017<\/td><td>DIN 931 \/ ISO 4014<\/td><\/tr>\n          <tr><td>M10<\/td><td>1.5 mm<\/td><td>DIN 933 \/ ISO 4017<\/td><td>DIN 931 \/ ISO 4014<\/td><\/tr>\n          <tr><td>M12<\/td><td>1.75 mm<\/td><td>DIN 933 \/ ISO 4017<\/td><td>DIN 931 \/ ISO 4014<\/td><\/tr>\n          <tr><td>M16<\/td><td>2.0 mm<\/td><td>DIN 933 \/ ISO 4017<\/td><td>DIN 931 \/ ISO 4014<\/td><\/tr>\n          <tr><td>M20<\/td><td>2.5 mm<\/td><td>DIN 933 \/ ISO 4017<\/td><td>DIN 931 \/ ISO 4014<\/td><\/tr>\n          <tr><td>M24<\/td><td>3.0 mm<\/td><td>DIN 933 \/ ISO 4017<\/td><td>DIN 931 \/ ISO 4014<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap xz-grid-2\">\n      <div>\n        <h2>Material and Grade Explanation<\/h2>\n        <p>316 stainless steel is commonly used when the fastening point is exposed to moisture, salt spray, cleaning chemicals, or outdoor weather. A4-70 is a frequent choice for general stainless steel bolting, while A4-80 may be requested when higher mechanical performance is required. Buyers can compare <a href=\"https:\/\/xzfastener.com\/stainless-steel-bolt-grades-a2-70-a4-70-and-a4-80-explained\/\">stainless steel bolt grades<\/a> before confirming the final class.<\/p>\n        <p>316 stainless steel improves corrosion resistance, but it is not immune to all chemical attack. Temperature, chloride concentration, crevice conditions, tightening method, and mating material can all affect service life. For complete assemblies, it is useful to check <a href=\"https:\/\/xzfastener.com\/matching-stainless-steel-bolts-nuts-and-washers-correctly\/\">matching stainless steel bolts, nuts, and washers<\/a> to reduce mismatch risk.<\/p>\n      <\/div>\n      <div>\n        <h2>Surface Finish Selection Guide<\/h2>\n        <p>Most 316 hex bolts are supplied plain, cleaned, or passivated. Polishing may be requested for visible hardware, while waxed threads or anti-seize treatment can help reduce galling during assembly. PTFE or other coatings may be considered for special chemical, friction, or installation requirements.<\/p>\n        <p>Stainless steel 316 bolts are normally not purchased for zinc plating. If the project is cost-sensitive and does not require 316 corrosion resistance, carbon steel options such as zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts can be reviewed. For coating selection, see XZ Fastener&#8217;s <a href=\"https:\/\/xzfastener.com\/surface-finish-comparison-chart-for-industrial-fastener-buyers\/\">surface finish comparison chart<\/a>.<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>Manufacturing and Quality Control<\/h2>\n      <p>Stainless steel 316 hex bolts can be produced by cold heading, hot forging, machining, thread rolling, thread cutting, cleaning, passivation, and final packing depending on size and order quantity. Larger diameters or special lengths may require a different process route from small standard bolts.<\/p>\n      <p>Quality control can include raw material verification, dimensional inspection, thread go\/no-go gauge testing, head dimension checks, surface inspection, mechanical testing, and packaging verification. Material test certificates, inspection reports, and special test items can be arranged when specified in the purchase requirement. Buyers can also review XZ Fastener&#8217;s <a href=\"https:\/\/xzfastener.com\/category\/technical-guides\/\">technical guides<\/a> for additional fastener inspection and application notes.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>Applications<\/h2>\n      <ul>\n        <li>Marine equipment, dock hardware, boat fittings, and coastal outdoor structures.<\/li>\n        <li>Chemical processing equipment, pumps, valves, pipe supports, and tank accessories.<\/li>\n        <li>Food processing machinery, packaging equipment, and washdown areas.<\/li>\n        <li>Water treatment plants, filtration systems, and wastewater equipment.<\/li>\n        <li>Solar mounting, outdoor brackets, and equipment exposed to rain or humidity.<\/li>\n        <li>General industrial assemblies where corrosion resistance is more important than carbon steel cost savings.<\/li>\n      <\/ul>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>How to Get a Faster Quotation<\/h2>\n      <p>To receive a more accurate quotation, send the following information with your inquiry:<\/p>\n      <ul>\n        <li>Size list, length, thread pitch, and quantity for each item.<\/li>\n        <li>Standard, such as DIN 933, ISO 4017, DIN 931, ISO 4014, or ASME inch specification.<\/li>\n        <li>Material and grade, such as 316, A4-70, A4-80, or a specified stainless material number.<\/li>\n        <li>Finish requirement, such as plain, passivated, polished, waxed, anti-seize, or PTFE coated.<\/li>\n        <li>Matching nuts, washers, lock nuts, or complete assembly requirement.<\/li>\n        <li>Packaging method, carton weight limit, label details, barcode, and pallet requirement.<\/li>\n        <li>Inspection requirements, certificates, sample approval needs, and delivery schedule.<\/li>\n      <\/ul>\n      <p>You can <a href=\"https:\/\/xzfastener.com\/request-quote\/\">request a quote<\/a> with a spreadsheet, drawing, sample photo, or current supplier specification.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"xz-section\">\n    <div class=\"xz-wrap\">\n      <h2>FAQ<\/h2>\n      <details>\n        <summary>Is 316 stainless steel better than 304 for hex bolts?<\/summary>\n        <p>316 stainless steel usually offers better resistance in chloride, marine, and humid environments because it contains molybdenum. 304 can still be suitable for many indoor or mild outdoor applications.<\/p>\n      <\/details>\n      <details>\n        <summary>Can you supply DIN 933 full thread hex bolts in 316 stainless steel?<\/summary>\n        <p>Yes. DIN 933 full thread hex bolts in 316 or A4 stainless steel can be supplied according to size, length, grade, finish, and quantity requirement.<\/p>\n      <\/details>\n      <details>\n        <summary>What grades are common for stainless steel 316 hex bolts?<\/summary>\n        <p>A4-70 and A4-80 are common stainless steel bolt classes. Final selection should be based on the drawing, load requirement, installation method, and working environment.<\/p>\n      <\/details>\n      <details>\n        <summary>Should stainless steel 316 hex bolts be zinc plated?<\/summary>\n        <p>316 stainless steel bolts are normally supplied plain, passivated, polished, or with special treatments such as waxed threads. Zinc plating is more common for carbon steel bolts.<\/p>\n      <\/details>\n      <details>\n        <summary>How can galling be reduced during stainless bolt installation?<\/summary>\n        <p>Use matching stainless components carefully, avoid excessive installation speed, apply suitable anti-seize or waxed thread treatment when required, and follow the approved tightening method.<\/p>\n      <\/details>\n      <details>\n        <summary>Can matching nuts, washers, and inspection documents be supplied?<\/summary>\n        <p>Yes. Matching stainless nuts, flat washers, spring washers, lock nuts, material reports, dimensional inspection, and other inspection documents can be arranged according to order requirement.<\/p>\n      <\/details>\n\n      <div class=\"xz-cta\">\n        <h2>Send Your Stainless Steel 316 Hex Bolt Inquiry<\/h2>\n        <p>For faster pricing, send your size list, finish, quantity, packaging method, and inspection requirements. XZ Fastener can review standard 316 hex bolts, metric hex head bolts, DIN 933 full thread hex bolts, matching nuts and washers, and drawing-based parts according to your purchasing plan.<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <script type=\"application\/ld+json\">\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@graph\": [\n      {\n        \"@type\": \"Organization\",\n        \"@id\": \"https:\/\/xzfastener.com\/#organization\",\n        \"name\": \"XZ Fastener\",\n        \"url\": \"https:\/\/xzfastener.com\/\"\n      },\n      {\n        \"@type\": \"BreadcrumbList\",\n        \"@id\": \"https:\/\/xzfastener.com\/stainless-steel-316-hex-bolts-supplier\/#breadcrumb\",\n        \"itemListElement\": [\n          {\n            \"@type\": \"ListItem\",\n            \"position\": 1,\n            \"name\": \"Home\",\n            \"item\": \"https:\/\/xzfastener.com\/\"\n          },\n          {\n            \"@type\": \"ListItem\",\n            \"position\": 2,\n            \"name\": \"Fastener Products\",\n            \"item\": \"https:\/\/xzfastener.com\/home\/products\/\"\n          },\n          {\n            \"@type\": \"ListItem\",\n            \"position\": 3,\n            \"name\": \"Stainless Steel 316 Hex Bolts Supplier\",\n            \"item\": \"https:\/\/xzfastener.com\/stainless-steel-316-hex-bolts-supplier\/\"\n          }\n        ]\n      },\n      {\n        \"@type\": \"Product\",\n        \"@id\": \"https:\/\/xzfastener.com\/stainless-steel-316-hex-bolts-supplier\/#product\",\n        \"name\": \"Stainless Steel 316 Hex Bolts Supplier\",\n        \"image\": \"https:\/\/xzfastener.com\/wp-content\/uploads\/2026\/05\/Stainless-Steel-316-Hex-Bolts-M3-M4-M5-M6-M8.webp\",\n        \"description\": \"Stainless steel 316 hex bolts supplied by XZ Fastener for corrosion-resistant marine, chemical, outdoor, food equipment, and industrial assemblies. 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Matching stainless nuts, flat washers, spring washers, lock nuts, material reports, dimensional inspection, and other inspection documents can be arranged according to order requirement.\"\n            }\n          }\n        ]\n      }\n    ]\n  }\n  <\/script>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Stainless Steel 316 Hex Bolts Supplier for Corrosion-Resistant Assemblies XZ Fastener supplies Stainless Steel 316 Hex Bolts for buyers who need corrosion-resistant fastening in marine, chemical, outdoor, food equipment, and general industrial assemblies. These metric hex head bolts can be supplied as DIN 933 full thread hex bolts, ISO 4017 equivalents, DIN 931 partial thread [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[110],"tags":[],"class_list":["post-7045","post","type-post","status-publish","format-standard","hentry","category-product-knowledge"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=7045"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7045\/revisions"}],"predecessor-version":[{"id":7046,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7045\/revisions\/7046"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}