{"id":8506,"date":"2026-04-16T03:16:58","date_gmt":"2026-04-15T19:16:58","guid":{"rendered":"https:\/\/xzfastener.com\/?p=8506"},"modified":"2026-06-26T03:20:32","modified_gmt":"2026-06-25T19:20:32","slug":"oil-black-bolts-manufacturer","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/es\/oil-black-bolts-manufacturer\/","title":{"rendered":"oil black bolts manufacturer"},"content":{"rendered":"\n<style>\n  .xz-wp-product-page {\n    --xz-blue: #0b2e59;\n    --xz-blue-2: #123f73;\n    --xz-soft: #f5f8fc;\n    --xz-soft-2: #e8f1fa;\n    --xz-line: #d5e3f0;\n    --xz-text: #1c2b3a;\n    --xz-muted: #58708a;\n    --xz-accent: #f2b544;\n    font-family: Arial, Helvetica, sans-serif;\n    color: var(--xz-text);\n    background: #ffffff;\n    line-height: 1.65;\n  }\n  .xz-wp-product-page * {\n    box-sizing: border-box;\n  }\n  .xz-wp-product-page a {\n    color: #0b4f91;\n    font-weight: 700;\n    text-decoration: none;\n  }\n  .xz-wp-product-page a:hover {\n    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8px;\n  }\n  .xz-wp-product-page .xz-table-wrap {\n    overflow-x: auto;\n    border: 1px solid var(--xz-line);\n    border-radius: 8px;\n    background: #ffffff;\n  }\n  .xz-wp-product-page table {\n    width: 100%;\n    min-width: 760px;\n    border-collapse: collapse;\n  }\n  .xz-wp-product-page th {\n    background: var(--xz-blue);\n    color: #ffffff;\n    text-align: left;\n    padding: 12px 14px;\n    font-size: 14px;\n  }\n  .xz-wp-product-page td {\n    border-top: 1px solid var(--xz-line);\n    padding: 12px 14px;\n    vertical-align: top;\n  }\n  .xz-wp-product-page .xz-note {\n    border-left: 4px solid var(--xz-accent);\n    background: #fff8e8;\n    padding: 16px 18px;\n    border-radius: 6px;\n  }\n  .xz-wp-product-page details {\n    background: #ffffff;\n    border: 1px solid var(--xz-line);\n    border-radius: 8px;\n    padding: 14px 16px;\n    margin-bottom: 10px;\n  }\n  .xz-wp-product-page summary {\n    cursor: pointer;\n    color: var(--xz-blue);\n    font-weight: 700;\n  }\n  .xz-wp-product-page details p {\n    margin-top: 10px;\n    margin-bottom: 0;\n  }\n  .xz-wp-product-page .xz-cta {\n    background: linear-gradient(135deg, var(--xz-blue), #082545);\n    color: #ffffff;\n    padding: 38px;\n    border-radius: 8px;\n  }\n  .xz-wp-product-page .xz-cta h2,\n  .xz-wp-product-page .xz-cta p {\n    color: #ffffff;\n  }\n  .xz-wp-product-page .xz-badges {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n    margin-top: 18px;\n  }\n  .xz-wp-product-page .xz-badge {\n    background: var(--xz-soft-2);\n    border: 1px solid var(--xz-line);\n    color: var(--xz-blue);\n    padding: 8px 12px;\n    border-radius: 6px;\n    font-weight: 700;\n    font-size: 13px;\n  }\n  @media (max-width: 900px) {\n    .xz-wp-product-page .xz-hero-grid,\n    .xz-wp-product-page .xz-two-col {\n      grid-template-columns: 1fr;\n    }\n    .xz-wp-product-page .xz-spec-grid {\n      grid-template-columns: repeat(2, 1fr);\n    }\n    .xz-wp-product-page h1 {\n      font-size: 34px;\n    }\n  }\n  @media (max-width: 560px) {\n    .xz-wp-product-page .xz-wrap {\n      padding: 0 16px;\n    }\n    .xz-wp-product-page .xz-spec-grid {\n      grid-template-columns: 1fr;\n    }\n    .xz-wp-product-page h1 {\n      font-size: 30px;\n    }\n    .xz-wp-product-page .xz-cta {\n      padding: 26px 20px;\n    }\n  }\n<\/style>\n\n<article class=\"xz-wp-product-page\">\n  <section class=\"xz-hero\">\n    <div class=\"xz-wrap xz-hero-grid\">\n      <div>\n        <span class=\"xz-kicker\">Black Oiled Bolt Supply<\/span>\n        <h1>oil black bolts manufacturer<\/h1>\n        <p>XZ Fastener manufactures oil black bolts for procurement teams that need a dark, lightly protected finish for machinery, equipment assembly, steel fabrication, and distributor stock. Oil black normally refers to black oxide or blackened carbon steel bolts with a light oil film to improve handling and short-term storage protection. These bolts can be supplied according to DIN, ISO, ASTM, ANSI, GB, or drawing requirements, with full thread, partial thread, metric or inch thread options. Buyers should define grade, dimensions, finish condition, packing, and inspection requirements before bulk production.<\/p>\n        <div class=\"xz-hero-actions\">\n          <a class=\"xz-btn\" href=\"https:\/\/xzfastener.com\/request-quote\/\">request a quote<\/a>\n          <a class=\"xz-btn alt\" href=\"https:\/\/xzfastener.com\/black-oxide-hex-bolts-supplier\/\">black oxide hex bolts<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"xz-hero-img\">\n        <img decoding=\"async\" src=\"https:\/\/xzfastener.com\/wp-content\/uploads\/2026\/05\/H3d0e89183fdf4afeaf98d4d8d9c3d528O.jpg\" alt=\"Oil black bolts manufactured by XZ Fastener\" loading=\"eager\">\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Quick Specs<\/h2>\n      <div class=\"xz-spec-grid\">\n        <div class=\"xz-spec-card\"><strong>Standard<\/strong>DIN 933, DIN 931, ISO 4017, ISO 4014, ASTM, ANSI, GB, or drawing-based parts<\/div>\n        <div class=\"xz-spec-card\"><strong>Strength<\/strong>Class 4.8, 5.8, 8.8, 10.9, 12.9 and other grades according to order requirement<\/div>\n        <div class=\"xz-spec-card\"><strong>Material<\/strong>Carbon steel, alloy steel, medium carbon steel, or specified material<\/div>\n        <div class=\"xz-spec-card\"><strong>Finish<\/strong>Oil black, black oxide with oil, blackened finish, or plain black oiled surface<\/div>\n        <div class=\"xz-spec-card\"><strong>Application<\/strong>Machinery assembly, indoor steelwork, equipment repair, fabrication, and distributor stock<\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap xz-two-col\">\n      <div>\n        <h2>What Buyers Should Know Before Sourcing Oil Black Bolts<\/h2>\n        <p>Oil black bolts are usually selected when buyers need a dark appearance, moderate short-term rust resistance, and controlled thread fit without thick coating buildup. The finish is often used for indoor machinery, tools, fixtures, equipment frames, and replacement fastener kits. It should not be treated as a heavy outdoor corrosion protection system.<\/p>\n        <p>If the order is based on standard hex bolts, buyers may compare requirements with <a href=\"https:\/\/xzfastener.com\/din-933-black-oxide-hex-bolts-supplier\/\">DIN 933 black oxide hex bolts<\/a>. For finish comparison, the guide on <a href=\"https:\/\/xzfastener.com\/black-oxide-vs-zinc-plated-fasteners-selection-guide-for-buyers\/\">black oxide vs zinc plated fasteners<\/a> can help define practical purchasing conditions.<\/p>\n      <\/div>\n      <div class=\"xz-card\">\n        <h3>Key Purchasing Checks<\/h3>\n        <ul>\n          <li>Confirm whether oil black means black oxide with light oil or another blackened process.<\/li>\n          <li>Define bolt standard, thread length, thread pitch, and mating nut requirement.<\/li>\n          <li>State strength grade and whether heat treatment is required.<\/li>\n          <li>Clarify storage period, packing method, and rust prevention requirement.<\/li>\n          <li>Confirm visual acceptance for black shade, oil film, and surface marks.<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Common Purchasing Descriptions<\/h2>\n      <p>Buyers may describe the same product as oil black bolts, black oiled bolts, black oxide bolts with oil, blackened carbon steel bolts, black finish hex bolts, or black bolts for machinery assembly. For drawings, it is better to state the finish clearly instead of using only a color description.<\/p>\n      <p>Related purchasing phrases may include DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, metric hex head bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts when comparing different finishes for the same dimensional standard.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Detailed Specifications Table<\/h2>\n      <div class=\"xz-table-wrap\">\n        <table>\n          <thead>\n            <tr>\n              <th>Item<\/th>\n              <th>Available Options<\/th>\n              <th>Buyer Notes<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Product Type<\/td>\n              <td>Hex bolts, flange bolts, carriage bolts, custom bolts, and drawing-based bolts<\/td>\n              <td>Provide a drawing for non-standard head, shoulder, shank, or thread design.<\/td>\n            <\/tr>\n            <tr>\n              <td>Standard<\/td>\n              <td>DIN, ISO, ASTM, ANSI, GB, JIS, or customer drawing<\/td>\n              <td>Standard selection affects head dimensions, thread length, tolerance, and marking.<\/td>\n            <\/tr>\n            <tr>\n              <td>Diameter<\/td>\n              <td>M5-M64, 1\/4 inch-2 inch, or custom size<\/td>\n              <td>Availability depends on grade, length, finish requirement, and order quantity.<\/td>\n            <\/tr>\n            <tr>\n              <td>Thread<\/td>\n              <td>Metric coarse, metric fine, UNC, UNF, full thread, or partial thread<\/td>\n              <td>Thread fit should be checked after blackening and oiling.<\/td>\n            <\/tr>\n            <tr>\n              <td>Mechanical Grade<\/td>\n              <td>4.8, 5.8, 8.8, 10.9, 12.9, ASTM grades, or specified material class<\/td>\n              <td>Mechanical properties can be checked according to <a href=\"https:\/\/xzfastener.com\/iso-898-1-bolt-mechanical-properties-what-buyers-should-check\/\">ISO 898-1 bolt mechanical properties<\/a> or the agreed standard.<\/td>\n            <\/tr>\n            <tr>\n              <td>Finish<\/td>\n              <td>Oil black, black oxide with oil, plain black oiled, or custom black finish<\/td>\n              <td>Define oil level, black shade, and rust prevention expectation before production.<\/td>\n            <\/tr>\n            <tr>\n              <td>Packaging<\/td>\n              <td>Bulk carton, small box, plastic bag, woven bag, pallet, or project packing<\/td>\n              <td>Dry inner packing or rust-preventive packing can be supplied according to order requirement.<\/td>\n            <\/tr>\n            <tr>\n              <td>Inspection<\/td>\n              <td>Dimensional, thread, hardness, tensile, proof load, visual finish, and packing checks<\/td>\n              <td>Inspection scope should be agreed before quotation for consistent batch control.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap xz-two-col\">\n      <div>\n        <h2>Material and Grade Explanation<\/h2>\n        <p>Oil black bolts are commonly produced from carbon steel and alloy steel. Low and medium carbon steel grades are suitable for general assembly, while Grade 8.8 carbon steel hex bolts and higher-strength grades are used where preload, mechanical strength, or equipment safety requirements are more demanding.<\/p>\n        <p>For heat-treated bolts, buyers should define hardness range, tensile strength, proof load, wedge test, and decarburization requirements. Head marking, material certificate, and inspection records can be supplied according to order requirement.<\/p>\n      <\/div>\n      <div>\n        <h2>Surface Finish Selection Guide<\/h2>\n        <p>Oil black is useful for indoor components, machinery assemblies, and fastener stock where dark appearance and light rust prevention are acceptable. For outdoor use, humid storage, or long transit, buyers may need zinc plating, hot dip galvanizing, zinc aluminum coating, or another protective finish.<\/p>\n        <p>When selecting a finish for bolts, nuts, and washers as a set, review the <a href=\"https:\/\/xzfastener.com\/surface-finish-selection-for-nuts-washers-and-bolts-as-an-assembly\/\">surface finish selection guide<\/a>. For broader coating comparison, XZ Fastener also provides a <a href=\"https:\/\/xzfastener.com\/fastener-coating-guide-zinc-hdg-dacromet-ptfe-and-more\/\">fastener coating guide<\/a>.<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Manufacturing and Quality Control<\/h2>\n      <p>Production can include raw material inspection, wire preparation, cold heading or hot forging according to size, thread rolling or machining, heat treatment when required, blackening, oiling, inspection, and packing. Buyers should confirm whether the oil film must be light, medium, dry-to-touch, or rust-preventive for long-distance shipment.<\/p>\n      <div class=\"xz-two-col\">\n        <div class=\"xz-card\">\n          <h3>Manufacturing Points<\/h3>\n          <ul>\n            <li>Head forming route selected according to bolt size and steel grade.<\/li>\n            <li>Thread rolling used where suitable for stable thread profile and strength.<\/li>\n            <li>Heat treatment controlled according to mechanical grade requirement.<\/li>\n            <li>Oil black finish applied after surface preparation and cleaning.<\/li>\n          <\/ul>\n        <\/div>\n        <div class=\"xz-card\">\n          <h3>Inspection Points<\/h3>\n          <ul>\n            <li>Across flats, head height, total length, thread length, and shank diameter.<\/li>\n            <li>Go\/no-go thread gauge checks and mating nut fit verification.<\/li>\n            <li>Hardness, tensile, proof load, and visual finish checks when required.<\/li>\n            <li>Carton count, inner packing, labels, pallet condition, and shipping marks.<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n      <p class=\"xz-note\">For process planning, buyers can also review how bolts are made through <a href=\"https:\/\/xzfastener.com\/how-bolts-are-manufactured-cold-heading-thread-rolling-and-heat-treatment\/\">cold heading, thread rolling, and heat treatment<\/a>.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Applications<\/h2>\n      <div class=\"xz-two-col\">\n        <div>\n          <p>Oil black bolts are used in machinery manufacturing, machine tool assembly, fixture building, automotive service parts, agricultural equipment, metal fabrication, indoor steel supports, repair kits, and distributor stock lines. The dark finish also helps identify the bolt type in mixed fastener inventories.<\/p>\n          <p>For assemblies exposed to vibration or controlled tightening, buyers should define grade, thread condition, lubrication allowance, and mating nut or washer requirements before ordering.<\/p>\n        <\/div>\n        <div class=\"xz-card\">\n          <h3>Typical Buyers<\/h3>\n          <ul>\n            <li>Industrial fastener distributors<\/li>\n            <li>Machinery and equipment manufacturers<\/li>\n            <li>Steel fabrication workshops<\/li>\n            <li>Automotive and agricultural repair suppliers<\/li>\n            <li>Maintenance and assembly kit packers<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>How to Get a Faster Quotation<\/h2>\n      <p>A clear inquiry helps XZ Fastener check material, tooling, finish process, packing, and inspection cost quickly. Please send the bolt standard or drawing, diameter, length, thread pitch, grade, material, oil black finish requirement, quantity, destination, packing method, and inspection requirements.<\/p>\n      <p>For a structured inquiry, use the <a href=\"https:\/\/xzfastener.com\/rfq-checklist-for-fastener-quality-inspection-and-testing\/\">RFQ checklist for fastener quality inspection and testing<\/a> before sending your request.<\/p>\n      <div class=\"xz-badges\">\n        <span class=\"xz-badge\">Standard or Drawing<\/span>\n        <span class=\"xz-badge\">Size and Thread<\/span>\n        <span class=\"xz-badge\">Grade and Material<\/span>\n        <span class=\"xz-badge\">Oil Black Finish<\/span>\n        <span class=\"xz-badge\">Quantity<\/span>\n        <span class=\"xz-badge\">Packing Plan<\/span>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>FAQ<\/h2>\n      <details>\n        <summary>What does oil black mean for bolts?<\/summary>\n        <p>Oil black usually refers to black oxide or blackened carbon steel bolts with a light oil film. The finish provides a dark appearance and short-term handling protection, but it is not the same as heavy corrosion protection for outdoor use.<\/p>\n      <\/details>\n      <details>\n        <summary>Can oil black bolts be supplied in Grade 8.8?<\/summary>\n        <p>Yes. Grade 8.8 carbon steel bolts can be supplied with an oil black finish according to standard or drawing requirements. Heat treatment and mechanical test requirements should be confirmed before production.<\/p>\n      <\/details>\n      <details>\n        <summary>Are oil black bolts suitable for humid or outdoor environments?<\/summary>\n        <p>Oil black bolts are generally more suitable for indoor or controlled storage applications. For humid, outdoor, or marine conditions, zinc plated, hot dip galvanized, dacromet, or other protective coatings may be more suitable.<\/p>\n      <\/details>\n      <details>\n        <summary>Can XZ Fastener control the oil film level?<\/summary>\n        <p>Oil film level can be discussed according to order requirement. Buyers should specify whether they need light oil, rust-preventive oil, dry-to-touch packing, or special handling for later assembly.<\/p>\n      <\/details>\n      <details>\n        <summary>What information is needed for an oil black bolt quotation?<\/summary>\n        <p>Please provide the standard, drawing if available, diameter, length, thread type, grade, material, finish requirement, quantity, packing method, destination, and inspection requirements.<\/p>\n      <\/details>\n      <details>\n        <summary>Can oil black bolts be packed for distributor stock?<\/summary>\n        <p>Yes. Oil black bolts can be packed in bulk cartons, small boxes, bags, pallets, or buyer-specified packaging. Label content, carton weight, barcode, and pallet layout are available upon request.<\/p>\n      <\/details>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <div class=\"xz-cta\">\n        <h2>Send Your Oil Black Bolt Inquiry<\/h2>\n        <p>To receive a practical quotation, send your size list, finish requirement, quantity, packaging method, and inspection requirements. XZ Fastener can review standard bolts, drawing-based bolts, mixed-size orders, and oil black finish requirements according to your purchasing plan.<\/p>\n        <a class=\"xz-btn\" href=\"https:\/\/xzfastener.com\/request-quote\/\">request a quote<\/a>\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        \"logo\": \"https:\/\/xzfastener.com\/wp-content\/uploads\/2026\/03\/cropped-XZ-LOGO-192x192.png\",\n        \"description\": \"XZ Fastener supplies bolts, nuts, screws, washers, threaded rods, anchors, and custom fasteners according to order requirements.\"\n      },\n      {\n        \"@type\": \"BreadcrumbList\",\n        \"@id\": \"https:\/\/xzfastener.com\/oil-black-bolts-manufacturer\/#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\": \"oil black bolts manufacturer\",\n            \"item\": \"https:\/\/xzfastener.com\/oil-black-bolts-manufacturer\/\"\n          }\n        ]\n      },\n      {\n        \"@type\": \"Product\",\n        \"@id\": \"https:\/\/xzfastener.com\/oil-black-bolts-manufacturer\/#product\",\n        \"name\": \"oil black bolts manufacturer\",\n        \"brand\": {\n          \"@type\": \"Brand\",\n          \"name\": \"XZ Fastener\"\n        },\n        \"manufacturer\": {\n          \"@id\": \"https:\/\/xzfastener.com\/#organization\"\n        },\n        \"image\": \"https:\/\/xzfastener.com\/wp-content\/uploads\/2026\/05\/H3d0e89183fdf4afeaf98d4d8d9c3d528O.jpg\",\n        \"description\": \"Oil black bolts manufactured according to DIN, ISO, ASTM, ANSI, GB, or drawing requirements, with options for carbon steel, alloy steel, full thread, partial thread, oil black finish, packing, and inspection requirements.\",\n        \"material\": \"Carbon steel, alloy steel, medium carbon steel, or specified material according to order requirement\",\n        \"category\": \"Bolts\",\n        \"additionalProperty\": [\n          {\n            \"@type\": \"PropertyValue\",\n            \"name\": \"Standard\",\n            \"value\": \"DIN 933, DIN 931, ISO 4017, ISO 4014, ASTM, ANSI, GB, or drawing-based parts\"\n          },\n          {\n            \"@type\": \"PropertyValue\",\n            \"name\": \"Strength\",\n            \"value\": \"Class 4.8, 5.8, 8.8, 10.9, 12.9 and other grades according to order requirement\"\n          },\n          {\n            \"@type\": \"PropertyValue\",\n            \"name\": \"Finish\",\n            \"value\": \"Oil black, black oxide with oil, blackened finish, or plain black oiled surface\"\n          },\n          {\n            \"@type\": \"PropertyValue\",\n            \"name\": \"Application\",\n            \"value\": \"Machinery assembly, indoor steelwork, equipment repair, fabrication, and distributor stock\"\n          }\n        ]\n      },\n      {\n        \"@type\": \"FAQPage\",\n        \"@id\": \"https:\/\/xzfastener.com\/oil-black-bolts-manufacturer\/#faq\",\n        \"mainEntity\": [\n          {\n            \"@type\": \"Question\",\n            \"name\": \"What does oil black mean for bolts?\",\n            \"acceptedAnswer\": {\n              \"@type\": \"Answer\",\n              \"text\": \"Oil black usually refers to black oxide or blackened carbon steel bolts with a light oil film. 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Buyers should specify whether they need light oil, rust-preventive oil, dry-to-touch packing, or special handling for later assembly.\"\n            }\n          },\n          {\n            \"@type\": \"Question\",\n            \"name\": \"What information is needed for an oil black bolt quotation?\",\n            \"acceptedAnswer\": {\n              \"@type\": \"Answer\",\n              \"text\": \"Please provide the standard, drawing if available, diameter, length, thread type, grade, material, finish requirement, quantity, packing method, destination, and inspection requirements.\"\n            }\n          },\n          {\n            \"@type\": \"Question\",\n            \"name\": \"Can oil black bolts be packed for distributor stock?\",\n            \"acceptedAnswer\": {\n              \"@type\": \"Answer\",\n              \"text\": \"Yes. Oil black bolts can be packed in bulk cartons, small boxes, bags, pallets, or buyer-specified packaging. Label content, carton weight, barcode, and pallet layout are available upon request.\"\n            }\n          }\n        ]\n      }\n    ]\n  }\n  <\/script>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Black Oiled Bolt Supply oil black bolts manufacturer XZ Fastener manufactures oil black bolts for procurement teams that need a dark, lightly protected finish for machinery, equipment assembly, steel fabrication, and distributor stock. Oil black normally refers to black oxide or blackened carbon steel bolts with a light oil film to improve handling and short-term [&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-8506","post","type-post","status-publish","format-standard","hentry","category-product-knowledge"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/posts\/8506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/comments?post=8506"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/posts\/8506\/revisions"}],"predecessor-version":[{"id":8507,"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/posts\/8506\/revisions\/8507"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/media?parent=8506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/categories?post=8506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/es\/wp-json\/wp\/v2\/tags?post=8506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}