{"id":3090,"date":"2026-05-02T08:00:00","date_gmt":"2026-05-02T08:00:00","guid":{"rendered":"https:\/\/www.cnxdauto.com\/?p=3090"},"modified":"2026-05-17T07:58:52","modified_gmt":"2026-05-17T07:58:52","slug":"bolt-fatigue-failure-prevention-analysis-guide","status":"publish","type":"post","link":"https:\/\/www.cnxdauto.com\/ja\/blog\/automotive-fasteners\/bolt-fatigue-failure-prevention-analysis-guide\/","title":{"rendered":"\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca\u3092\u9632\u3050\u65b9\u6cd5\uff1a\u5b8c\u5168\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u89e3\u8aac"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca<\/strong> \u306f\u3001\u7e70\u308a\u8fd4\u3057\u8377\u91cd\u304c\u304b\u304b\u3063\u305f\u308a\u5916\u308c\u305f\u308a\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u3001\u30dc\u30eb\u30c8\u306e\u9032\u884c\u6027\u306e\u4e80\u88c2\u3068\u305d\u306e\u6700\u7d42\u7684\u306a\u7834\u640d\u3067\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306b\u57fa\u3065\u3044\u3066 <strong>\u30dc\u30eb\u30c8\u7834\u640d\u89e3\u6790 PDF<\/strong> \u30ec\u30dd\u30fc\u30c8\u306b\u3088\u308b\u3068\u3001\u30b5\u30fc\u30d3\u30b9\u4e2d\u306e\u6a5f\u68b0\u7684\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u5168\u7834\u640d\u306e\u63a8\u5b9a90%\u304c\u75b2\u52b4\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001 <a href=\"https:\/\/www.cnxdauto.com\/ja\/automotive-bolts-manufacturer\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca\u306e\u539f\u56e0<\/strong><\/a><strong>, \u3001\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca\u306e\u4f8b<\/strong>, \u3001\u304a\u3088\u3073\u305d\u306e\u9632\u6b62\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3b\u8981\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca\u306e\u539f\u56e0<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"655\" src=\"https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-1200x655.webp\" alt=\"\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca\u306e4\u3064\u306e\u4e3b\u306a\u539f\u56e0\" class=\"wp-image-3084\" title=\"\" srcset=\"https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-1200x655.webp 1200w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-500x273.webp 500w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-300x164.webp 300w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-768x419.webp 768w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-18x10.webp 18w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-138x75.webp 138w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-480x262.webp 480w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733-800x436.webp 800w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-2-e1778758693733.webp 1397w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u75b2\u52b4\u7834\u58ca\u306f\u3001\u5fae\u8996\u7684\u306a\u30ec\u30d9\u30eb\u3067\u767a\u751f\u3057\u3001\u305d\u306e\u5f8c\u3001\u5b8c\u5168\u306a\u7834\u65ad\u306b\u9032\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u539f\u56e0\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u8a2d\u8a08\u6bb5\u968e\u3067\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5fdc\u529b\u96c6\u4e2d\u90e8\uff1a<\/strong> \u306d\u3058\u5c71\u3068\u30dc\u30eb\u30c8\u982d\u90e8\u3068\u8ef8\u306e\u9593\u306e\u534a\u5f84\u306f\u3001\u81ea\u7136\u306b\u5fdc\u529b\u3092\u96c6\u4e2d\u3055\u305b\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30d7\u30ea\u30ed\u30fc\u30c9\u4e0d\u8db3:<\/strong> \u63a5\u5408\u90e8\u306b\u5f35\u529b\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u3068\u3001\u30dc\u30eb\u30c8\u304c\u5468\u671f\u7684\u306a\u5916\u90e8\u8377\u91cd\u306e\u5168\u529b\u3092\u5438\u53ce\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u632f\u52d5\u3068\u66f2\u3052:<\/strong> \u30d5\u30e9\u30f3\u30b8\u306e\u305a\u308c\u3084 <a href=\"https:\/\/www.cnxdauto.com\/ja\/product-category\/nuts\/locking-nuts\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.cnxdauto.com\/product-category\/nuts\/locking-nuts\/\" rel=\"noreferrer noopener\">\u904b\u8ee2\u4e2d\u306e\u632f\u52d5<\/a> \u306f\u3001\u91d1\u5c5e\u306e\u75b2\u52b4\u3092\u5f15\u304d\u8d77\u3053\u3059\u6a2a\u65b9\u5411\u306e\u529b\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.cnxdauto.com\/ja\/blog\/automotive-fasteners\/corrosion-resistant-fasteners-prevent-rust-automotive\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.cnxdauto.com\/blog\/automotive-fasteners\/corrosion-resistant-fasteners-prevent-rust-automotive\/\" rel=\"noreferrer noopener\">\u8150\u98df\u30d4\u30c3\u30c1\u30f3\u30b0<\/a>:<\/strong> \u5316\u5b66\u53cd\u5fdc\u306b\u3088\u308a\u8868\u9762\u306b\u30d4\u30c3\u30c8\u304c\u767a\u751f\u3057\u3001\u75b2\u52b4\u4e80\u88c2\u306e\u7406\u60f3\u7684\u306a\u767a\u751f\u6e90\u3068\u306a\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca\u306e\u4f8b\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3057\u3070\u3057\u3070 <strong>\u30dc\u30eb\u30c8\u7834\u640d\u89e3\u6790\u306e\u5199\u771f<\/strong> \u3092\u5229\u7528\u3057\u3066\u3001\u75b2\u52b4\u7834\u58ca\u3068\u305b\u3093\u65ad\u7834\u58ca\u307e\u305f\u306f\u5f15\u5f35\u7834\u58ca\u3092\u533a\u5225\u3057\u307e\u3059\u3002\u5178\u578b\u7684\u306a\u75b2\u52b4\u7834\u58ca\u9762\u306f\u3001\u660e\u78ba\u306a\u7279\u5fb4\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8d77\u70b9:<\/strong> \u4e80\u88c2\u304c\u6700\u521d\u306b\u767a\u751f\u3057\u305f\u3001\u5c0f\u3055\u304f\u7814\u78e8\u3055\u308c\u305f\u9818\u57df\u3002.<\/li>\n\n\n\n<li><strong>\u30d3\u30fc\u30c1\u30de\u30fc\u30af:<\/strong> \u4e80\u88c2\u304c\u6570\u5343\u56de\u306e\u904b\u8ee2\u30b5\u30a4\u30af\u30eb\u3067\u3069\u306e\u3088\u3046\u306b\u6210\u9577\u3057\u305f\u304b\u3092\u793a\u3059\u540c\u5fc3\u5186\u72b6\u306e\u30ea\u30f3\u30b0\u3002.<\/li>\n\n\n\n<li><strong>\u7834\u65ad\u90e8:<\/strong> \u30dc\u30eb\u30c8\u304c\u5358\u4e00\u306e\u8377\u91cd\u3067\u3064\u3044\u306b\u7834\u65ad\u3057\u305f\u3001\u7c97\u304f\u7d50\u6676\u8cea\u306e\u9818\u57df\u3002.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u4f8b\u3092\u6587\u66f8\u5316\u3059\u308b\u3053\u3068\u306f\u3001\u4fdd\u5b88\u30c1\u30fc\u30e0\u304c\u7279\u5b9a\u306e\u7d44\u7acb\u30e9\u30a4\u30f3\u3067\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308b\u554f\u984c\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u8853\u7684\u8a66\u9a13\u304a\u3088\u3073\u8a08\u7b97\u57fa\u6e96<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u5bff\u547d\u3092\u4e88\u6e2c\u3059\u308b\u305f\u3081\u306b\u3001\u5c02\u9580\u5bb6\u306f <strong>\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca\u8a66\u9a13<\/strong>. \u3092\u5b9f\u65bd\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a66\u9a13\u306f\u3001\u8010\u4e45\u9650\u5ea6\u3092\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306b ISO 3800 \u307e\u305f\u306f ASTM F606 \u898f\u683c\u306b\u5f93\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u5bff\u547d\u8a08\u7b97\uff1a<\/strong> \u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u30b0\u30c3\u30c9\u30de\u30f3\u307e\u305f\u306f\u30ac\u30fc\u30d0\u30fc\u306e\u57fa\u6e96\u3092\u4f7f\u7528\u3057\u3066\u5b89\u5168\u7387\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5f0f\uff1a<\/strong> \u8868\u9762\u4ed5\u4e0a\u3052 k \u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<sub>a<\/sub> \u304a\u3088\u3073\u30b5\u30a4\u30ba\u4fc2\u6570 k<sub>b<\/sub> \u6b63\u78ba\u306a\u8010\u4e45\u9650\u5ea6\u306b\u5230\u9054\u3059\u308b\u305f\u3081\u3002.<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u30a2\u30fc\u30ab\u30a4\u30d6\uff1a<\/strong> \u307b\u3068\u3093\u3069\u306e\u30e9\u30dc\u3067\u306f\u3001 <a href=\"https:\/\/www.cnxdauto.com\/ja\/automotive-fastening-solutions\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30dc\u30eb\u30c8\u7834\u58ca\u89e3\u6790 <\/strong>PDF <\/a>\u307e\u305f\u306f <strong>\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca PDF<\/strong> \u9577\u671f\u7684\u306a\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u305f\u3081\u306b\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fc5\u901f\u306a\u63a8\u5b9a\u306b\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca\u8a08\u7b97\u6a5f\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u30b0\u30ec\u30fc\u30c9 8.8 \u307e\u305f\u306f <a href=\"https:\/\/www.cnxdauto.com\/ja\/blog\/lug-bolts\/high-strength-bolt-grades-comparison-guide\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.cnxdauto.com\/blog\/lug-bolts\/high-strength-bolt-grades-comparison-guide\/\" rel=\"noreferrer noopener\">\u30b0\u30ec\u30fc\u30c9 10.9 \u30dc\u30eb\u30c8<\/a> \u304c\u7279\u5b9a\u306e\u8ca0\u8377\u30b5\u30a4\u30af\u30eb\u306b\u5fc5\u8981\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u306b\u6982\u8981\u3092\u793a\u3057\u307e\u3059\u3002 <strong>\u30dc\u30eb\u30c8\u75b2\u52b4\u5bff\u547d\u8a08\u7b97<\/strong> \u30d1\u30e9\u30e1\u30fc\u30bf\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30d1\u30e9\u30e1\u30fc\u30bf<\/strong><\/td><td><strong>\u8a18\u53f7 \/ \u65b9\u6cd5<\/strong><\/td><td><strong>\u4e00\u822c\u7684\u306a\u7bc4\u56f2 \/ \u6ce8\u8a18<\/strong><\/td><\/tr><tr><td>\u5e73\u5747\u5fdc\u529b (\u03c3m)<\/td><td>\u03c3m = F_preload \/ As<\/td><td>\u5fdc\u529b\u9762\u7a4d\u306b\u57fa\u3065\u304f <a href=\"https:\/\/www.cnxdauto.com\/ja\/quality-assurance\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.cnxdauto.com\/quality-assurance\/\" rel=\"noreferrer noopener\">ISO 898-1<\/a><\/td><\/tr><tr><td>\u4ea4\u4e92\u5fdc\u529b (\u03c3a)<\/td><td>\u03c3a = \u0394F \/ (2 \u00d7 As)<\/td><td>\u0394F = \u63a5\u5408\u90e8\u306e\u8377\u91cd\u5909\u52d5<\/td><\/tr><tr><td>\u5fdc\u529b\u96c6\u4e2d\u4fc2\u6570<\/td><td>Kt = 3.0\u20134.5 (\u306d\u3058\u90e8)<\/td><td>\u30ed\u30fc\u30ea\u30f3\u30b0\u306d\u3058\u306f\u5207\u524a\u306d\u3058\u3088\u308a\u4f4e\u3044<\/td><\/tr><tr><td>\u30b0\u30c3\u30c9\u30de\u30f3\u88dc\u6b63<\/td><td>\u03c3a\/Se + \u03c3m\/Su = 1<\/td><td>Su = \u5f15\u5f35\u5f37\u3055<\/td><\/tr><tr><td>\u75b2\u52b4\u5b89\u5168\u7387<\/td><td>SF = Se \/ (\u03c3a \u00d7 Kt)<\/td><td>SF \u2265 1.5 \u63a8\u5968 (VDI 2230)<\/td><\/tr><tr><td>\u75b2\u52b4\u9650\u5ea6 (Se)<\/td><td>Se \u2248 0.45 \u00d7 Su (\u92fc\u30dc\u30eb\u30c8)<\/td><td>\u306d\u3058\u90e8\u304a\u3088\u3073\u8868\u9762\u4fc2\u6570\u3067\u8abf\u6574<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<style>\n    :root {\n        --primary-color: #070E42;\n        --text-light: #ffffff;\n        --text-dark: #333333;\n        --border-color: #e0e0e0;\n    }\n\n    .product-card-container {\n        display: flex;\n        flex-direction: row;\n        width: 100%;\n        max-width: 900px; \/* \u63a7\u5236\u5361\u7247\u4e0d\u5360\u636e\u8fc7\u591a\u7248\u9762 *\/\n        margin: 20px auto;\n        border: 1px solid var(--border-color);\n        border-radius: 8px;\n        overflow: hidden;\n        background: #fff;\n        transition: transform 0.3s ease, box-shadow 0.3s ease;\n        font-family: 'Segoe UI', Arial, sans-serif;\n    }\n\n    .product-card-container:hover {\n        transform: translateY(-5px);\n        box-shadow: 0 10px 20px rgba(0,0,0,0.1);\n    }\n\n    \/* \u5de6\u4fa7\u56fe\u7247\u533a\u57df *\/\n    .card-image-box {\n        flex: 0 0 50%; \/* \u5360\u636e50% *\/\n        background-color: #f9f9f9;\n        display: flex;\n        align-items: center;\n        justify-content: center;\n        overflow: hidden;\n    }\n\n    .card-image-box img {\n        width: 100%;\n        height: 100%;\n        object-fit: cover; \/* \u4fdd\u8bc1\u9ad8\u5ea6\u7edf\u4e00\u4e14\u56fe\u7247\u4e0d\u53d8\u5f62 *\/\n        max-height: 320px; \/* \u9650\u5236\u6574\u4f53\u9ad8\u5ea6 *\/\n    }\n\n    \/* \u53f3\u4fa7\u6587\u6848\u533a\u57df *\/\n    .card-content-box {\n        flex: 0 0 50%; \/* \u5360\u636e50% *\/\n        padding: 25px;\n        display: flex;\n        flex-direction: column;\n        justify-content: center;\n        background-color: #fff;\n    }\n\n    .card-title {\n        font-size: 1.25rem;\n        font-weight: 700;\n        color: var(--primary-color);\n        margin-bottom: 15px;\n        line-height: 1.3;\n    }\n\n    .card-specs {\n        list-style: none;\n        padding: 0;\n        margin: 0 0 20px 0;\n    }\n\n    .card-specs li {\n        font-size: 0.95rem;\n        color: var(--text-dark);\n        margin-bottom: 8px;\n        position: relative;\n        padding-left: 18px;\n    }\n\n    .card-specs li::before {\n        content: \"\u2713\";\n        position: absolute;\n        left: 0;\n        color: var(--primary-color);\n        font-weight: bold;\n    }\n\n    \/* \u6309\u94ae\u4ea4\u4e92\u8bbe\u8ba1 *\/\n    .card-button {\n        display: inline-block;\n        width: fit-content;\n        padding: 10px 25px;\n        background-color: var(--primary-color);\n        color: var(--text-light) !important;\n        text-decoration: none;\n        border-radius: 4px;\n        font-weight: 600;\n        border: 2px solid var(--primary-color);\n        transition: all 0.3s ease;\n        text-align: center;\n    }\n\n    .card-button:hover {\n        background-color: #ffffff;\n        color: var(--primary-color) !important;\n    }\n\n    \/* \u54cd\u5e94\u5f0f\u8c03\u6574 (\u624b\u673a\u7aef) *\/\n    @media (max-width: 768px) {\n        .product-card-container {\n            flex-direction: column; \/* \u624b\u673a\u7aef\u53d8\u4e3a\u4e0a\u4e0b\u7ed3\u6784 *\/\n            max-width: 100%;\n        }\n        .card-image-box, .card-content-box {\n            flex: 0 0 100%;\n        }\n        .card-image-box img {\n            max-height: 250px;\n        }\n    }\n<\/style>\n<\/head>\n<body>\n\n<div class=\"product-card-container\">\n    <div class=\"card-image-box\">\n        <img decoding=\"async\" src=\"https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2025\/12\/H385abf4ce7104d53b5377a6e7a37ddabC.jpg\" alt=\"\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8 \u9244\u88fd DUSTER \u65e5\u7523 \u30eb\u30ce\u30fc Igh\u7528\" title=\"\">\n    <\/div>\n\n    <div class=\"card-content-box\">\n        <span class=\"card-title\">\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8 \u9244\u88fd DUSTER \u65e5\u7523 \u30eb\u30ce\u30fc Igh | OEM<\/span>\n        <ul class=\"card-specs\">\n            \u3053\u306eOEM 7701471373 \u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306f\u3001\u9ad8\u5f37\u5ea6\u30b0\u30ec\u30fc\u30c910.9\/12.9\u306e\u9244\u88fd\u3067\u88fd\u9020\u3055\u308c\u3066\u304a\u308a\u3001\u512a\u308c\u305f\u5f15\u5f35\u5f37\u5ea6\u3068\u75b2\u52b4\u62b5\u6297\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002. \n        <\/ul>\n        <a href=\"https:\/\/www.cnxdauto.com\/ja\/product\/auto-parts-oem-7701471373-cylinder-head-bolt-iron-material-for-duster-nissan-renault-igh-quality-bolts-for-vehicle\/\" class=\"card-button\">\u4eca\u3059\u3050\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\n    <\/div>\n<\/div>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\">\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca\u3092\u9632\u3050\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"963\" height=\"522\" src=\"https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614.webp\" alt=\"\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca\u3092\u9632\u3050\u305f\u3081\u306e\u30ac\u30a4\u30c9\" class=\"wp-image-3083\" title=\"\" srcset=\"https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614.webp 963w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614-500x271.webp 500w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614-300x163.webp 300w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614-768x416.webp 768w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614-18x10.webp 18w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614-138x75.webp 138w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614-480x260.webp 480w, https:\/\/www.cnxdauto.com\/wp-content\/uploads\/2026\/05\/3-1-e1778758743614-800x434.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:963px) 100vw, 963px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9632\u6b62 <strong>\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca<\/strong> \u306f\u3001\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u306e\u7ba1\u7406\u3088\u308a\u3082\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u9ad8\u3044\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u7523\u696d\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9069\u5207\u306a\u30c8\u30eb\u30af\u3092\u9069\u7528\u3059\u308b:<\/strong> \u6821\u6b63\u6e08\u307f\u306e\u5de5\u5177\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e88\u60f3\u3055\u308c\u308b\u7e70\u308a\u8fd4\u3057\u8377\u91cd\u3092\u8d85\u3048\u308b\u4e88\u5727\u3092\u9054\u6210\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u3059\u308b <a href=\"https:\/\/www.cnxdauto.com\/ja\/blog\/automotive-fasteners\/rolled-thread-vs-cut-thread-automotive-fasteners-guide\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.cnxdauto.com\/blog\/automotive-fasteners\/rolled-thread-vs-cut-thread-automotive-fasteners-guide\/\" rel=\"noreferrer noopener\">\u30ed\u30fc\u30eb\u30c9\u30b9\u30ec\u30c3\u30c9<\/a>:<\/strong> \u71b1\u51e6\u7406\u5f8c\u306b\u30dc\u30eb\u30c8\u306b\u5727\u5ef6\u3055\u308c\u305f\u306d\u3058\u306f\u3001\u5207\u524a\u306d\u3058\u3068\u6bd4\u8f03\u3057\u3066\u512a\u308c\u305f\u8010\u75b2\u52b4\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u9ad8\u5f37\u5ea6\u5408\u91d1\u3092\u9078\u629e\u3059\u308b:<\/strong> \u6750\u6599\u304c\u6a5f\u68b0\u7684\u7279\u6027\u306b\u95a2\u3059\u308bISO 898-1\u4ed5\u69d8\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5fdc\u529b\u96c6\u4e2d\u3092\u4f4e\u6e1b\u3059\u308b:<\/strong> \u3088\u308a\u5927\u304d\u306a\u30d8\u30c3\u30c9\u4e0b\u30d5\u30a3\u30ec\u30c3\u30c8\u3092\u5099\u3048\u305f\u30dc\u30eb\u30c8\u3092\u6307\u5b9a\u3057\u3066\u3001\u5fdc\u529b\u3092\u3088\u308a\u5747\u7b49\u306b\u5206\u6563\u3055\u305b\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9632\u6b62 <strong>\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca<\/strong> \u30b9\u30de\u30fc\u30c8\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3068\u9069\u5207\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a <strong>\u30dc\u30eb\u30c8\u75b2\u52b4\u7834\u58ca\u306e\u539f\u56e0<\/strong>, \u3001\u4f8b\u3048\u3070\u9ad8\u3044\u5fdc\u529b\u70b9\u3084\u5f31\u3044\u4e88\u5727\u306a\u3069\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u3088\u308a\u826f\u3044\u4e88\u9632\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306b\u3088\u308b\u6545\u969c\u306e\u7279\u5b9a <strong>\u30dc\u30eb\u30c8\u7834\u640d\u89e3\u6790\u306e\u5199\u771f<\/strong> \u304a\u3088\u3073 <strong>\u30dc\u30eb\u30c8\u306e\u75b2\u52b4\u7834\u58ca\u8a66\u9a13<\/strong> \u306e\u5b9f\u884c\u306f\u3001\u7523\u696d\u5b89\u5168\u57fa\u6e96\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u4e0d\u53ef\u6b20\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.cnxdauto.com\/ja\/download\/\" target=\"_blank\" rel=\"noreferrer noopener\">CNXD Auto<\/a> \u306f\u3001\u5f53\u793e\u306e\u5e45\u5e83\u3044\u88fd\u54c1\u7fa4\u3092\u901a\u3058\u3066\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u75b2\u52b4\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 <a href=\"https:\/\/www.cnxdauto.com\/ja\/products\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.cnxdauto.com\/products\/\" rel=\"noreferrer noopener\">\u81ea\u52d5\u8eca\u7528\u304a\u3088\u3073\u7523\u696d\u7528\u30dc\u30eb\u30c8<\/a>, \u3001\u9ad8\u3044\u6a5f\u68b0\u7684\u8981\u4ef6\u3092\u6301\u3064\u3082\u306e\u3002.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u793e\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306fISO 898-1\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u75b2\u52b4\u306b\u5f37\u3044\u3053\u3068\u304c\u8a3c\u660e\u3055\u308c\u305f\u6750\u6599\u3092\u4f7f\u7528\u3057\u305f\u30dc\u30eb\u30c8\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.cnxdauto.com\/ja\/contact\/\" style=\"background-color:#5c81f3\" target=\"_blank\" rel=\"noreferrer noopener\">\u304a\u898b\u7a4d\u308a\u306f\u3053\u3061\u3089\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Bolt fatigue failure is the progressive cracking and eventual breakage of a bolt caused by repeated loading and unloading.&nbsp; Based on bolt failure analysis PDF reports,<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":3085,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[],"class_list":["post-3090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automotive-fasteners"],"_links":{"self":[{"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/posts\/3090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/comments?post=3090"}],"version-history":[{"count":3,"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/posts\/3090\/revisions"}],"predecessor-version":[{"id":3104,"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/posts\/3090\/revisions\/3104"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/media\/3085"}],"wp:attachment":[{"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/media?parent=3090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/categories?post=3090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cnxdauto.com\/ja\/wp-json\/wp\/v2\/tags?post=3090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}