{"id":8456,"date":"2026-10-08T17:29:55","date_gmt":"2026-10-08T09:29:55","guid":{"rendered":"https:\/\/gfmparts.com\/?post_type=product&#038;p=8456"},"modified":"2026-10-08T17:47:28","modified_gmt":"2026-10-08T09:47:28","slug":"komatsu-d355-bulldozer-bolts-and-nuts-supplier","status":"publish","type":"product","link":"https:\/\/gfmparts.com\/ru\/product\/komatsu-d355-bulldozer-bolts-and-nuts-supplier\/","title":{"rendered":"\u041a\u043e\u043c\u043f\u043b\u0435\u043a\u0442 \u0431\u043e\u043b\u0442\u043e\u0432 \u0438 \u0433\u0430\u0435\u043a \u0434\u043b\u044f \u0441\u0435\u0433\u043c\u0435\u043d\u0442\u0430 \u0437\u0432\u0435\u0437\u0434\u043e\u0447\u043a\u0438 \u0441 \u043a\u0443\u043f\u043e\u043b\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u043e\u0439 \u0433\u043e\u043b\u043e\u0432\u043a\u043e\u0439 \u0431\u0443\u043b\u044c\u0434\u043e\u0437\u0435\u0440\u0430 Komatsu D355"},"content":{"rendered":"<p data-path-to-node=\"6\"><b data-path-to-node=\"6\" data-index-in-node=\"0\">Komatsu D355 Domed Head Segment Bolt &amp; Nut Set<\/b> is a high-strength fastening solution specifically developed by GFM for heavy-duty bulldozer undercarriage systems. In highly challenging operating environments such as mining and rock excavation, drive segments endure continuous high loads and frequent severe impacts, which demand extremely strict shear strength and anti-loosening performance from fasteners. Leveraging over ten years of experience in undercarriage component manufacturing, GFM uses selected alloy steel materials and precision heat treatment processes to craft high-quality <a href=\"https:\/\/gfmparts.com\/ru\/product\/16120-%d0%bf%d1%80%d0%be%d0%b8%d0%b7%d0%b2%d0%be%d0%b4%d0%b8%d1%82%d0%b5%d0%bb%d1%8c-%d0%b1%d0%be%d0%bb%d1%82%d0%be%d0%b2-%d0%b4%d0%bb%d1%8f-%d0%be%d0%bf%d0%be%d1%80%d0%bd%d1%8b%d1%85-%d0%ba%d0%b0\/\"><b data-path-to-node=\"6\" data-index-in-node=\"592\">\u0431\u043e\u043b\u0442\u044b \u0438 \u0433\u0430\u0439\u043a\u0438 \u0434\u043b\u044f \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445<\/b><\/a> products that precisely match original mounting holes while featuring excellent wear resistance and fatigue strength, providing global buyers and equipment users with safe and reliable aftermarket spare parts assurance.<\/p>\n<h3 data-path-to-node=\"8\"><span style=\"color: #ff6600;\"><b data-path-to-node=\"8\" data-index-in-node=\"0\">Product Specifications &amp; Technical Parameters<\/b><\/span><\/h3>\n<p data-path-to-node=\"9\">GFM specifically develops high-reliability fasteners for heavy construction machinery, among which the Komatsu D355 domed head segment bolt and nut set is designed for high-load, shear-resistant operating conditions. As a professional <a href=\"https:\/\/gfmparts.com\/ru\/product\/%d0%b1%d0%be%d0%bb%d1%82%d1%8b-%d0%b8-%d0%b3%d0%b0%d0%b9%d0%ba%d0%b8-%d0%b4%d0%bb%d1%8f-%d0%b3%d1%83%d1%81%d0%b5%d0%bd%d0%b8%d1%86-%d1%8d%d0%ba%d1%81%d0%ba%d0%b0%d0%b2%d0%b0%d1%82%d0%be%d1%80%d0%b0-22\/\"><b data-path-to-node=\"9\" data-index-in-node=\"235\">bolts and nuts supplier<\/b><\/a>, our products utilize precision forging processes and precise thread machining to perfectly match original mounting holes.<\/p>\n<table data-path-to-node=\"10\">\n<thead>\n<tr>\n<td><strong>Parameter Item<\/strong><\/td>\n<td><strong>Segment Bolt (Domed Head Segment Bolt)<\/strong><\/td>\n<td><strong>Nut (Segment Nut)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"10,1,0,0\"><b data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\">Specification &amp; Model<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,1,1,0\"><b data-path-to-node=\"10,1,1,0\" data-index-in-node=\"0\">M24x1.5&#215;90<\/b> (Domed Head)<\/span><\/td>\n<td><span data-path-to-node=\"10,1,2,0\"><b data-path-to-node=\"10,1,2,0\" data-index-in-node=\"0\">M24x1.5x30Hx36S<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,2,0,0\"><b data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\">Compatible Machine<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,2,1,0\">Komatsu D355 Bulldozer<\/span><\/td>\n<td><span data-path-to-node=\"10,2,2,0\">Komatsu D355 Bulldozer<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,3,0,0\"><b data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\">\u041a\u043b\u0430\u0441\u0441 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,3,1,0\"><b data-path-to-node=\"10,3,1,0\" data-index-in-node=\"0\">40Cr \/ 42CrMo<\/b> Alloy Steel (<b data-path-to-node=\"10,3,1,0\" data-index-in-node=\"27\">12.9 \u043a\u043b\u0430\u0441\u0441<\/b>)<\/span><\/td>\n<td><span data-path-to-node=\"10,3,2,0\"><b data-path-to-node=\"10,3,2,0\" data-index-in-node=\"0\">45# \/ 40Cr<\/b> High-Strength Steel (<b data-path-to-node=\"10,3,2,0\" data-index-in-node=\"32\">Grade 10\/12<\/b>)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,4,0,0\"><b data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\">\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,4,1,0\">Blackening \/ Phosphating \/ Dacromet (Anti-corrosion &amp; Anti-rust)<\/span><\/td>\n<td><span data-path-to-node=\"10,4,2,0\">Blackening \/ Anti-rust Oil Coating<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,5,0,0\"><b data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\">Mechanical Performance<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,5,1,0\">\u041f\u0440\u0435\u0434\u0435\u043b \u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u0438 <span class=\"math-inline\" data-math=\"\\ge\" data-index-in-node=\"17\">$\\ge$<\/span> <b data-path-to-node=\"10,5,1,0\" data-index-in-node=\"21\">1200 MPa<\/b>, Track Fastening Hardness <b data-path-to-node=\"10,5,1,0\" data-index-in-node=\"56\">HRC 39-44<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,5,2,0\">Proof stress and hardness matched to bolt grade<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"12\"><span style=\"color: #ff6600;\"><b data-path-to-node=\"12\" data-index-in-node=\"0\">Product Features<\/b><\/span><\/h3>\n<p data-path-to-node=\"13\">Komatsu D355 Domed Head Segment Bolt &amp; Nut Set is a high-performance <a href=\"https:\/\/gfmparts.com\/ru\/product\/%d0%b1%d0%be%d0%bb%d1%82%d1%8b-%d1%81%d0%b5%d0%b3%d0%bc%d0%b5%d0%bd%d1%82%d0%be%d0%b2-%d0%b7%d0%b2%d0%b5%d0%b7%d0%b4%d0%be%d1%87%d0%ba%d0%b8-%d0%b1%d1%83%d0%bb%d1%8c%d0%b4%d0%be%d0%b7%d0%b5%d1%80\/\"><b data-path-to-node=\"13\" data-index-in-node=\"69\">\u0431\u043e\u043b\u0442\u044b \u0438 \u0433\u0430\u0439\u043a\u0438 \u0434\u043b\u044f \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445<\/b><\/a> fastening assembly designed specifically for heavy bulldozer track drive segments. Its main features include:<\/p>\n<ul data-path-to-node=\"14\">\n<li>\n<p data-path-to-node=\"14,0,0\"><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">Premium Material, Long-Lasting Durability<\/b>: Made of high-quality <b data-path-to-node=\"14,0,0\" data-index-in-node=\"64\">40Cr\/42CrMo<\/b> alloy steel, carefully selected and quenched &amp; tempered to ensure superior wear resistance and shear strength (tensile strength <span class=\"math-inline\" data-math=\"\\ge\" data-index-in-node=\"204\">$\\ge$<\/span> <b data-path-to-node=\"14,0,0\" data-index-in-node=\"208\">1200 MPa<\/b>) in heavy-duty operations, making every bulldozing operation stable and reliable.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,1,0\"><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">Precise Fit, Easy Installation<\/b>: Bolt and nut dimensions (<b data-path-to-node=\"14,1,0\" data-index-in-node=\"57\">M24x1.5&#215;90<\/b> \/ <b data-path-to-node=\"14,1,0\" data-index-in-node=\"70\">M24x1.5x30Hx36S<\/b>) are controlled with strict tolerances to perfectly fit OEM drive segments and hubs, effectively preventing bolt loosening and thread stripping caused by strong vibration or high loads, ensuring fast installation and long-lasting fastening.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,2,0\"><b data-path-to-node=\"14,2,0\" data-index-in-node=\"0\">Domed Head + Self-Locking Nut Design<\/b>: This unique structural combination enhances stress distribution and anti-loosening performance at the connection site, effectively preventing segments from loosening or falling off under severe impacts. It performs exceptionally well in various harsh environments, including mining overburden stripping, rock construction, and large-scale earthwork engineering.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,3,0\"><b data-path-to-node=\"14,3,0\" data-index-in-node=\"0\">\u0421\u043d\u0438\u0436\u0435\u043d\u0438\u0435 \u0437\u0430\u0442\u0440\u0430\u0442 \u043d\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0435<\/b>: Wear-resistant high-strength materials and precise heat treatment processes minimize breakage and replacement frequency, extending the service life of undercarriage segments and fasteners, helping maintain efficient equipment operation while saving significant downtime and maintenance costs.<\/p>\n<\/li>\n<\/ul>\n<h3><span style=\"color: #ff6600;\">\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430<\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\"><strong>\u0421\u044b\u0440\u044c\u0435:<\/strong> 40CR<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u041c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0437\u0430\u043a\u0430\u0437:<\/strong>\u00a01 \u041f\u041a<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0421\u043f\u043e\u0441\u043e\u0431 \u043e\u043f\u043b\u0430\u0442\u044b:<\/strong>\u00a0\u0422\/\u0422<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0411\u0440\u0435\u043d\u0434:<\/strong>\u00a0\u0413\u0424\u041c<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435:<\/strong>\u00a0\u041d\u043e\u0432\u044b\u0439<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0426\u0432\u0435\u0442:<\/strong>\u00a0\u0416\u0435\u043b\u0442\u044b\u0439, \u0447\u0435\u0440\u043d\u044b\u0439 \u0438\u043b\u0438 \u0438\u043d\u0434\u0438\u0432\u0438\u0434\u0443\u0430\u043b\u044c\u043d\u044b\u0439<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0412\u0440\u0435\u043c\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f:<\/strong>\u00a030 \u0434\u043d\u0435\u0439<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0413\u0430\u0440\u0430\u043d\u0442\u0438\u044f:<\/strong>\u00a01 \u0433\u043e\u0434<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0423\u0441\u043b\u0443\u0433\u0430:<\/strong>\u00a0OEM \u0438\u043b\u0438 ODM<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u041c\u0435\u0441\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f:<\/strong>\u00a0\u0424\u0443\u0446\u0437\u044f\u043d\u044c, \u041a\u0438\u0442\u0430\u0439<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435:<\/strong> \u042d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430:<\/strong>\u00a0\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0439 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0439 \u0434\u0435\u0440\u0435\u0432\u044f\u043d\u043d\u044b\u0439 \u043f\u043e\u0434\u0434\u043e\u043d<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #ff6600;\">\u0424\u0443\u043d\u043a\u0446\u0438\u0438<\/span><\/h3>\n<ul>\n<li><b><\/b><span style=\"color: #000000;\"><strong><b>\u0412\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0447\u043d\u0430\u044f \u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u0442\u0430\u043b\u044c: <\/b><\/strong>\u0421\u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d \u0434\u043b\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0432 \u0442\u044f\u0436\u0435\u043b\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0441\u0440\u043e\u043a \u0441\u043b\u0443\u0436\u0431\u044b.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u0422\u043e\u0447\u043d\u043e\u0435 \u043c\u0430\u0448\u0438\u043d\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435: <\/b><\/strong>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u044b \u0434\u043b\u044f \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u043d\u0430\u0434\u0435\u0436\u043d\u0443\u044e \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0432\u0430\u0448\u0435\u0433\u043e \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u0422\u0435\u0440\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430: <\/b><\/strong>\u041f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u0430\u044f \u0442\u0432\u0435\u0440\u0434\u043e\u0441\u0442\u044c \u0438 \u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c, \u043f\u0440\u043e\u0434\u043b\u0435\u0432\u0430\u044e\u0449\u0438\u0435 \u0441\u0440\u043e\u043a \u0441\u043b\u0443\u0436\u0431\u044b \u0431\u043e\u043b\u0442\u043e\u0432 \u0434\u043b\u044f \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u041a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f, \u043f\u0440\u0435\u043f\u044f\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u043e\u0441\u043b\u0430\u0431\u043b\u0435\u043d\u0438\u044e: <\/b><\/strong>\u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u043d\u0430\u0434\u0435\u0436\u043d\u0443\u044e \u0444\u0438\u043a\u0441\u0430\u0446\u0438\u044e \u0431\u043e\u043b\u0442\u043e\u0432 \u0434\u0430\u0436\u0435 \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u0438\u043d\u0442\u0435\u043d\u0441\u0438\u0432\u043d\u043e\u0439 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b><\/b><strong><b>\u0417\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438: <\/b><\/strong>\u041f\u043e\u043a\u0440\u044b\u0442\u0438\u0435 \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u0442 \u043e\u0442 \u0440\u0436\u0430\u0432\u0447\u0438\u043d\u044b \u0438 \u0432\u044b\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0441\u0443\u0440\u043e\u0432\u044b\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0449\u0435\u0439 \u0441\u0440\u0435\u0434\u044b, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c \u0432 \u043b\u044e\u0431\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445.<\/span><b><\/b><\/li>\n<\/ul>\n<h3><span style=\"color: #ff6600;\">\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/span><\/h3>\n<p style=\"text-align: center;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-3392\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/01\/bulldozer-Sprocket-Bolts-spec.png\" alt=\"\u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u0431\u043e\u043b\u0442\u043e\u0432 \u0437\u0432\u0435\u0437\u0434\u043e\u0447\u0435\u043a \u0431\u0443\u043b\u044c\u0434\u043e\u0437\u0435\u0440\u0430\" width=\"664\" height=\"217\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/01\/bulldozer-Sprocket-Bolts-spec.png 664w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/01\/bulldozer-Sprocket-Bolts-spec-300x98.png 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/01\/bulldozer-Sprocket-Bolts-spec-600x196.png 600w\" sizes=\"(max-width: 664px) 100vw, 664px\" \/><\/p>\n<h3><span style=\"color: #ff6600;\">\u041c\u043e\u0434\u0435\u043b\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430<\/span><\/h3>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"alignnone size-full wp-image-3146\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/bulldozer-part-description.png\" alt=\"\u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0434\u0435\u0442\u0430\u043b\u0438 \u0431\u0443\u043b\u044c\u0434\u043e\u0437\u0435\u0440\u0430\" width=\"626\" height=\"317\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/bulldozer-part-description.png 626w, https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/bulldozer-part-description-300x152.png 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/11\/bulldozer-part-description-600x304.png 600w\" sizes=\"(max-width: 626px) 100vw, 626px\" \/><\/p>\n<h3><span style=\"color: #ff6600;\">\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441<\/span><\/h3>\n<p style=\"text-align: center;\"><iframe title=\"\u0412\u0438\u0434\u0435\u043e\u043f\u043b\u0435\u0435\u0440 YouTube\" src=\"https:\/\/www.youtube.com\/embed\/p4WNLmr-Huc?si=PWuiZYSYsuM6wPVz\" width=\"1000\" height=\"562\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<p><img decoding=\"async\" class=\"size-large wp-image-3043 aligncenter\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/12\/\u901a\u7528\u751f\u4ea7\u6d41\u7a0b-1-1024x648.jpg\" alt=\"\u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u0430\" width=\"1024\" height=\"648\" srcset=\"\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-srcset=\"\" \/><\/p>\n<h3><span style=\"color: #ff6600;\">\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430 \u0438 \u0434\u043e\u0441\u0442\u0430\u0432\u043a\u0430<\/span><\/h3>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-6521\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/05\/Packaging-and-Shipping-1-1-1024x648.jpg\" alt=\"\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430 \u0438 \u0434\u043e\u0441\u0442\u0430\u0432\u043a\u0430\" width=\"1024\" height=\"648\" srcset=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/05\/Packaging-and-Shipping-1-1-1024x648.jpg 1024w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/05\/Packaging-and-Shipping-1-1-300x190.jpg 300w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/05\/Packaging-and-Shipping-1-1-768x486.jpg 768w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/05\/Packaging-and-Shipping-1-1-1536x973.jpg 1536w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/05\/Packaging-and-Shipping-1-1-2048x1297.jpg 2048w, https:\/\/gfmparts.com\/wp-content\/uploads\/2025\/05\/Packaging-and-Shipping-1-1-600x380.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 data-path-to-node=\"16\"><span style=\"color: #ff6600;\"><b data-path-to-node=\"16\" data-index-in-node=\"0\">\u0413\u0430\u0440\u0430\u043d\u0442\u0438\u044f \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430<\/b><\/span><\/h2>\n<p data-path-to-node=\"17\">GFM has established a strict quality management system, achieving full-process traceability from raw material procurement to finished product delivery. As a trustworthy <a href=\"https:\/\/gfmparts.com\/ru\/product\/%d0%bf%d0%be%d1%81%d1%82%d0%b0%d0%b2%d1%89%d0%b8%d0%ba-%d0%b1%d0%be%d0%bb%d1%82%d0%be%d0%b2-%d0%b7%d0%b2%d0%b5%d0%b7%d0%b4%d0%be%d1%87%d0%b5%d0%ba-%d0%b4%d0%bb%d1%8f-%d1%8d%d0%ba%d1%81%d0%ba%d0%b0\/\"><b data-path-to-node=\"17\" data-index-in-node=\"169\">bolts and nuts supplier<\/b><\/a>, we deeply understand that the reliability of heavy construction machinery fasteners directly relates to overall equipment safety, which is why quality control is integrated into every detail of the manufacturing process.<\/p>\n<p data-path-to-node=\"18\">In the specific quality control execution flow, GFM strictly implements the following standardized inspection tests:<\/p>\n<ul data-path-to-node=\"19\">\n<li>\n<p data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\">Raw Material Spectrometric Analysis<\/b>: Selects high-quality high-strength alloy steel (40Cr\/42CrMo) and verifies chemical composition via spectrometer before warehouse entry to ensure material purity and hardenability.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">Microcomputer-Controlled Heat Treatment Monitoring<\/b>: Utilizes automated control for quenching and tempering heat treatment processes to ensure uniform metallographic structure inside bolts, achieving the optimal hardness range of <b data-path-to-node=\"19,1,0\" data-index-in-node=\"229\">HRC 39-44<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,2,0\"><b data-path-to-node=\"19,2,0\" data-index-in-node=\"0\">Multi-Dimensional Destructive &amp; Non-Destructive Testing<\/b>: Every batch of products must pass thread go\/no-go gauge inspection, magnetic particle testing (MT), and tensile testing machine strength tests to ensure tensile strength consistently reaches above <b data-path-to-node=\"19,2,0\" data-index-in-node=\"254\">1200 MPa<\/b>.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"20\">Through this complete inspection mechanism, GFM controls product defect rates to extremely low levels. We solemnly promise a quality warranty period of no less than <b data-path-to-node=\"20\" data-index-in-node=\"165\">1 \u0433\u043e\u0434 \u0438\u043b\u0438 2000 \u0447\u0430\u0441\u043e\u0432<\/b> for every batch of segment bolt sets delivered, fully eliminating customers&#8217; worries.<\/p>\n<h3><span style=\"color: #ff6600;\">\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u0437\u0430\u0432\u043e\u0434\u0430<\/span><\/h3>\n<p data-path-to-node=\"23\">GFM is an experienced professional component manufacturer that has been deeply engaged in the field of excavator and bulldozer undercarriage parts since <b data-path-to-node=\"23\" data-index-in-node=\"153\">2011<\/b>. We focus on large-scale production of standardized products, and our manufactured high-quality <a href=\"https:\/\/gfmparts.com\/ru\/product\/%d0%b1%d0%be%d0%bb%d1%82%d1%8b-%d0%be%d0%bf%d0%be%d1%80%d0%bd%d1%8b%d1%85-%d0%ba%d0%b0%d1%82%d0%ba%d0%be%d0%b2-%d1%8d%d0%ba%d1%81%d0%ba%d0%b0%d0%b2%d0%b0%d1%82%d0%be%d1%80%d0%b0-%d0%b1%d1%83%d0%bb\/\"><b data-path-to-node=\"23\" data-index-in-node=\"254\">\u0431\u043e\u043b\u0442\u044b \u0438 \u0433\u0430\u0439\u043a\u0438 \u0434\u043b\u044f \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445<\/b><\/a> are fully compatible with mainstream market models such as Komatsu, Caterpillar, Hitachi, Volvo, Kobelco, Doosan, Hyundai, SANY, Shantui, and more.<\/p>\n<p data-path-to-node=\"24\">Modern manufacturing workshops and advanced production equipment serve as our solid backing for maintaining high-quality output:<\/p>\n<ul data-path-to-node=\"25\">\n<li>\n<p data-path-to-node=\"25,0,0\"><b data-path-to-node=\"25,0,0\" data-index-in-node=\"0\">Advanced Equipment Production Lines<\/b>: The factory is equipped with modern forging flow lines, multi-station cold headers, automated heat treatment furnaces, and CNC machine tools, fully guaranteeing component machining accuracy.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,1,0\"><b data-path-to-node=\"25,1,0\" data-index-in-node=\"0\">Large-Scale Production Capacity Assurance<\/b>: Relying on efficient automated production scheduling, monthly output of threaded fasteners stably reaches above <b data-path-to-node=\"25,1,0\" data-index-in-node=\"155\">500 tons<\/b>, easily handling large-volume spot stocks and regular procurement order needs.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,2,0\"><b data-path-to-node=\"25,2,0\" data-index-in-node=\"0\">Rich Product Matrix<\/b>: Beyond fasteners, GFM&#8217;s product line covers track rollers, carrier rollers, idlers, sprockets, track shoes, track links, and bucket tooth pins among undercarriage spare parts, facilitating one-stop bundled procurement for customers.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"26\">Relying on a professional engineering technical team and a rigorous international trade service system, GFM products have been exported to multiple countries and regions across Southeast Asia, the Middle East, Europe, and the Americas. As a reliable spare parts supplier, we will continuously provide stable, high-quality supply chain support to overseas distributors and large construction fleets worldwide.<\/p>\n<p data-path-to-node=\"35\">Whether you are a wholesaler looking for cost-effective bulldozer segment bolts, or a large construction fleet requiring undercarriage fasteners compatible with multiple models, GFM can provide you with the most competitive factory-direct solutions. Contact our sales and service team right away to receive detailed product specification sheets, exclusive bulk wholesale discounts, and <b data-path-to-node=\"36\" data-index-in-node=\"136\">\u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0437\u0446\u044b<\/b> for testing!<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2159\" src=\"https:\/\/gfmparts.com\/wp-content\/uploads\/2024\/12\/\u5fae\u4fe1\u56fe\u7247_20241202160325-1024x576.jpg\" alt=\"\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u0437\u0443\u0431\u0447\u0430\u0442\u044b\u0445 \u043f\u0430\u043b\u044c\u0446\u0435\u0432 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u0430\" width=\"767\" height=\"431\" srcset=\"\" sizes=\"(max-width: 767px) 100vw, 767px\" data-srcset=\"\" \/><\/span><\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li><span style=\"color: #000000;\">\u041a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043e<\/span><\/li>\n<li><span style=\"color: #000000;\">\u0411\u043e\u043b\u044c\u0448\u0430\u044f \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0430<\/span><\/li>\n<li><span style=\"color: #000000;\">\u041a\u043e\u043d\u043a\u0443\u0440\u0435\u043d\u0442\u043d\u043e\u0435 \u0446\u0435\u043d\u043e\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435<\/span><\/li>\n<li><span style=\"color: #000000;\">\u0411\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043c\u0430\u0440\u043e\u043a \u0438 \u043c\u043e\u0434\u0435\u043b\u0435\u0439<\/span><\/li>\n<li><span style=\"color: #000000;\">\u041e\u0442\u0437\u044b\u0432\u0447\u0438\u0432\u0430\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u043f\u043e \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u044e \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432<\/span><\/li>\n<li><span style=\"color: #000000;\">\u041f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u0430\u044f \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430<\/span><\/li>\n<\/ul>","protected":false},"featured_media":8457,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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domed head segment bolts &amp; nuts by GFM since 2011. Fully compatible, 2000-hr warranty. Contact us to get free samples!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gfmparts.com\/ru\/product\/komatsu-d355-bulldozer-bolts-and-nuts-supplier\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Komatsu D355 Bulldozer Domed Head Sprocket Segment Bolt &amp; Nut Set\" \/>\n<meta property=\"og:description\" content=\"High-tensile domed head segment bolts &amp; nuts by GFM since 2011. Fully compatible, 2000-hr warranty. 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