{"id":193975,"date":"2024-08-05T11:27:04","date_gmt":"2024-08-05T04:27:04","guid":{"rendered":"https:\/\/techmaster.com.vn\/?post_type=product&#038;p=193975"},"modified":"2026-05-25T17:42:13","modified_gmt":"2026-05-25T10:42:13","slug":"3m-h-700-rs4-suspension","status":"publish","type":"product","link":"https:\/\/techmaster.com.vn\/en\/3m-h-700-rs4-suspension\/","title":{"rendered":"3M H-700-RS4 4-Point Ratchet Suspension (Hard Hat Replacement)"},"content":{"rendered":"<h1>3M H-700-RS4 4-Point Ratchet Suspension (Hard Hat Replacement)<\/h1>\n<p>The <strong>3M H-700-RS4<\/strong> is a 4-point ratchet suspension for the 3M H-700 Series hard hats. The internal cradle and ratchet adjuster hold the helmet securely and absorb impact energy, so replacing a worn suspension restores a safe, comfortable fit to the helmet.<\/p>\n<h2>Product overview<\/h2>\n<p>The suspension is the internal harness that keeps a hard hat positioned correctly and dissipates the force of an impact. The H-700-RS4 uses four attachment points and a ratchet knob for easy one-hand adjustment. Because suspensions wear and lose tension over time, fitting a fresh genuine 3M suspension is essential maintenance that keeps the helmet performing as designed.<\/p>\n<h2>Key features and benefits<\/h2>\n<ul>\n<li><strong>4-point ratchet:<\/strong> secure, stable fit with easy one-hand adjustment.<\/li>\n<li><strong>Impact absorption:<\/strong> the cradle helps dissipate the force of a blow.<\/li>\n<li><strong>Restores fit:<\/strong> replaces a stretched or worn suspension.<\/li>\n<li><strong>Genuine 3M part:<\/strong> matched to the H-700 Series helmet shell.<\/li>\n<li><strong>Easy to fit:<\/strong> a routine maintenance swap.<\/li>\n<\/ul>\n<h2>Main industries and applications<\/h2>\n<ul>\n<li><strong>Construction &amp; sites:<\/strong> maintaining hard hats in service.<\/li>\n<li><strong>Heavy industry &amp; utilities:<\/strong> helmet upkeep programmes.<\/li>\n<li><strong>Maintenance teams:<\/strong> refurbishing safety helmets.<\/li>\n<li><strong>Safety stores:<\/strong> spare parts for fleet helmets.<\/li>\n<\/ul>\n<h2>Technical specifications<\/h2>\n<table>\n<tr>\n<th>Attribute<\/th>\n<th>Specification<\/th>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>3M H-700-RS4<\/td>\n<\/tr>\n<tr>\n<td>Type<\/td>\n<td>Hard hat suspension (replacement part)<\/td>\n<\/tr>\n<tr>\n<td>Suspension<\/td>\n<td>4-point with ratchet adjuster<\/td>\n<\/tr>\n<tr>\n<td>Compatibility<\/td>\n<td>3M H-700 Series hard hats<\/td>\n<\/tr>\n<tr>\n<td>Brand \/ Origin<\/td>\n<td>3M<\/td>\n<\/tr>\n<\/table>\n<h2>Why buy from Techmaster Electronics<\/h2>\n<p>Techmaster Electronics is an authorised supplier of 3M personal protective equipment in Vietnam. We supply genuine 3M head-protection parts, advise on helmet maintenance, and provide dependable after-sales support. Contact Techmaster for a free consultation and a quotation.<\/p>\n<h2>Frequently asked questions<\/h2>\n<h3>What is the 3M H-700-RS4 used for?<\/h3>\n<p>It is the 4-point ratchet suspension (internal harness) for 3M H-700 Series hard hats, replacing a worn or stretched suspension.<\/p>\n<h3>Which helmets does it fit?<\/h3>\n<p>It fits the 3M H-700 Series hard hats. Ask Techmaster to confirm compatibility with your helmets.<\/p>\n<h3>When should I replace the suspension?<\/h3>\n<p>Replace it during regular maintenance, or whenever the straps are stretched, cracked or no longer hold the helmet firmly.<\/p>\n<h3>Why use a genuine 3M suspension?<\/h3>\n<p>A genuine suspension matches the helmet&#8217;s design so it positions correctly and absorbs impact as 3M intended.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3M H-700-RS4 4-Point Ratchet Suspension (Hard Hat Replacement) The 3M H-700-RS4 is a 4-point ratchet suspension for the 3M H-700 Series hard hats. The internal cradle and ratchet adjuster hold the helmet securely and absorb impact energy, so replacing a worn suspension restores a safe, comfortable fit to the helmet. Product overview The suspension is [&#8230;]\n","protected":false},"featured_media":117533,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[952,966],"product_tag":[],"class_list":{"0":"post-193975","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-3m-head-face-protection","7":"product_cat-head-protection-accessories","8":"pa_brand-3m-en","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>3M H-700-RS4 4-Point Ratchet Suspension (Hard Hat Replacement) - Techmaster Electronics JSC<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3M H-700-RS4 4-Point Ratchet Suspension (Hard Hat Replacement)\" \/>\n<meta property=\"og:description\" content=\"3M H-700-RS4 4-Point Ratchet Suspension (Hard Hat Replacement) The 3M H-700-RS4 is a 4-point ratchet suspension for the 3M H-700 Series hard hats. The internal cradle and ratchet adjuster hold the helmet securely and absorb impact energy, so replacing a worn suspension restores a safe, comfortable fit to the helmet. Product overview The suspension is [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/techmaster.com.vn\/en\/3m-h-700-rs4-suspension\/\" \/>\n<meta property=\"og:site_name\" content=\"Techmaster Electronics JSC\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/techmaster.electronics.jsc\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-25T10:42:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2024\/08\/3m-hard-hats-h-700-series-ratchet.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"236\" \/>\n\t<meta property=\"og:image:height\" content=\"236\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@techmastervn\" \/>\n<meta name=\"twitter:label1\" content=\"Price\" \/>\n\t<meta name=\"twitter:data1\" content=\"Call for Price\" \/>\n\t<meta name=\"twitter:label2\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data2\" content=\"In stock\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/techmaster.com.vn\/en\/3m-h-700-rs4-suspension\/\",\"url\":\"https:\/\/techmaster.com.vn\/en\/3m-h-700-rs4-suspension\/\",\"name\":\"3M H-700-RS4 4-Point Ratchet Suspension (Hard Hat Replacement) - 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