{"id":15481,"date":"2026-05-16T16:21:30","date_gmt":"2026-05-16T08:21:30","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15481"},"modified":"2026-10-23T08:59:31","modified_gmt":"2026-10-23T00:59:31","slug":"high-speed-steel-for-cutting-tools-hobs-broaches","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/high-speed-steel-for-cutting-tools-hobs-broaches\/","title":{"rendered":"\uace0\uc18d\uac15(\uc808\uc0ad\uacf5\uad6c, \ud649 \ubc0f \ube0c\ub85c\uce58\uc6a9)"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-text-align-center\" id=\"h-tool-steel-selection-for-high-speed-cutting-tools-hobs-amp-broaches\">Tool Steel Selection for High-Speed Cutting Tools, Hobs &amp; Broaches<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Select high-speed steel by cutting speed, workpiece material, red hardness, abrasion resistance, tooth toughness, and edge chipping risk. For hobs, broaches, drills, milling cutters, and multi-edge cutting tools, the main choice is usually between toughness, hot hardness, wear resistance, and edge strength.<\/p>\n\n\n\n<h2 id=\"h-quick-selection-guide-by-high-speed-steel-grade\" class=\"wp-block-heading\">Quick Selection Guide by High-Speed Steel Grade<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choose the grade according to whether the tool is used for general cutting, hobs, broaches, difficult-to-machine alloys, or high-temperature cutting edges.<\/p>\n\n\n\n<style id=\"hssc-cards\" data-noptimize=\"1\">\n\/* High-speed steel cutting tools selection cards. Card values follow the site card baseline:\n   white, square corners, hairline border, soft shadow, no card hover. *\/\n.entry-content[class] .hssc-row{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 26px;padding:0}\n.entry-content[class] .hssc-row .wp-block-column{margin:0;padding:0;min-width:0}\n.entry-content[class] .hssc-card{background:#fff;border:1px solid rgba(0,0,0,.12);border-radius:0;\n  box-shadow:0 12px 32px rgba(0,0,0,.04);padding:20px;display:flex;flex-direction:column;flex:1 1 auto}\n.entry-content[class] .hssc-card .hssc-label{margin:0 0 10px!important;font-size:11.5px!important;font-weight:600!important;\n  line-height:1.4!important;letter-spacing:.08em!important;text-transform:uppercase!important;color:#6b7280!important}\n.entry-content[class] .hssc-card h3{margin:0!important;color:#0b0b0b!important;font-size:23px!important;\n  line-height:1.25!important;font-weight:700!important;letter-spacing:-.01em!important;text-transform:none!important}\n.entry-content[class] .hssc-card .hssc-codes{margin:4px 0 0!important;font-size:13px!important;font-weight:600!important;\n  line-height:1.5!important;color:#6b7280!important;letter-spacing:.01em!important}\n.entry-content[class] .hssc-card .hssc-codes a{color:#074fd0;text-decoration:none}\n.entry-content[class] .hssc-card .hssc-codes a:hover{text-decoration:underline}\n.entry-content[class] .hssc-card p{font-size:17px!important;line-height:1.7!important;color:#0b0b0b!important;\n  margin:12px 0 14px!important}\n.entry-content[class] .hssc-card .hssc-reason{margin:0 0 18px!important;padding:10px 12px!important;font-size:14.5px!important;\n  line-height:1.6!important;color:#4b5563!important;background:#f8fafc;border-left:3px solid #dbe3ee;border-radius:4px}\n.entry-content[class] .hssc-card .wp-block-buttons{margin:auto 0 0!important;gap:12px;flex-wrap:nowrap;align-items:stretch}\n.entry-content[class] .hssc-card .wp-block-button{flex:1 1 0;margin:0;min-width:0}\n.entry-content[class] .hssc-card .wp-block-button__link{width:100%;border-radius:999px;padding:10px 12px;\n  font-size:14px;line-height:1.25;font-weight:700;text-align:center;text-decoration:none;\n  background:#074fd0;border:1px solid #074fd0;color:#fff}\n.entry-content[class] .hssc-card .wp-block-button__link:hover{background:#063c9e;border-color:#063c9e;color:#fff}\n.entry-content[class] .hssc-card .is-style-outline .wp-block-button__link{background:transparent;\n  border:1px solid #0b0b0b;color:#0b0b0b;font-weight:400}\n.entry-content[class] .hssc-card .is-style-outline .wp-block-button__link:hover{background:#f4f8ff;color:#0b0b0b}\n@media(max-width:1000px){.entry-content[class] .hssc-row{grid-template-columns:repeat(2,minmax(0,1fr))}}\n@media(max-width:640px){.entry-content[class] .hssc-row{grid-template-columns:1fr}\n  .entry-content[class] .hssc-card .wp-block-buttons{flex-wrap:wrap;gap:10px}}\n<\/style>\n\n\n\n<div class=\"wp-block-columns hssc-row is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column hssc-card is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"hssc-label wp-block-paragraph\">General HSS Standard<\/p>\n\n\n\n<h3 id=\"h-m2-high-speed-steel\" class=\"wp-block-heading\">M2 High Speed Steel<\/h3>\n\n\n\n<p class=\"hssc-codes wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/m2-steel-specifications\/\">1.3343 \/ SKH51<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended for broaches, gear hobs, drills, milling cutters, and general high-speed cutting tools.<\/p>\n\n\n\n<p class=\"hssc-reason wp-block-paragraph\">Reason: M2 gives an economical balance of toughness, strength, and cutting ability for standard carbon and alloy steels.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/m2-tool-steel\/\">View Details<\/a><\/div>\n\n\n\n<div class=\"wp-block-button popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">Send Inquiry<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column hssc-card is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"hssc-label wp-block-paragraph\">Cobalt HSS Upgrade<\/p>\n\n\n\n<h3 id=\"h-m35-high-speed-steel\" class=\"wp-block-heading\">M35 High Speed Steel<\/h3>\n\n\n\n<p class=\"hssc-codes wp-block-paragraph\">1.3243 \/ SKH55<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended when cutting tools need better hot hardness than standard M2 under more demanding cutting conditions.<\/p>\n\n\n\n<p class=\"hssc-reason wp-block-paragraph\">Reason: M35 is a cobalt-bearing <a href=\"https:\/\/aobosteel.com\/gb-high-speed-steel-grades\/\">high-speed steel<\/a> direction, selected when cutting heat and edge <a href=\"https:\/\/aobosteel.com\/high-speed-steel-softening-chart\/\">softening<\/a> become more serious than in normal M2 applications.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/m35-tool-steel\/\">View Details<\/a><\/div>\n\n\n\n<div class=\"wp-block-button popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">Send Inquiry<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column hssc-card is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"hssc-label wp-block-paragraph\">Difficult Materials<\/p>\n\n\n\n<h3 id=\"h-m42-high-speed-steel\" class=\"wp-block-heading\">M42 High Speed Steel<\/h3>\n\n\n\n<p class=\"hssc-codes wp-block-paragraph\">1.3247 \/ SKH59<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended for heavy-duty cutting of difficult-to-machine materials and high-strength heat-treated steels.<\/p>\n\n\n\n<p class=\"hssc-reason wp-block-paragraph\">Reason: M42 provides higher cobalt-bearing hot hardness, helping the cutting edge resist softening under severe machining heat.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--3\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/m42-tool-steel\/\">View Details<\/a><\/div>\n\n\n\n<div class=\"wp-block-button popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">Send Inquiry<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 id=\"h-selection-summary\" class=\"wp-block-heading\">Selection Summary<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This table gives a faster comparison when the buyer already knows the cutting tool type and main failure risk.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Cutting Tool Application<\/th><th class=\"has-text-align-left\" data-align=\"left\">Main Requirement<\/th><th class=\"has-text-align-left\" data-align=\"left\">Aobo Steel Grades<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">General broaches, gear hobs, drills, and milling cutters<\/td><td class=\"has-text-align-left\" data-align=\"left\">Balanced toughness, strength, and cutting ability<\/td><td class=\"has-text-align-left\" data-align=\"left\">M2<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Large or complex multi-edge cutting tools<\/td><td class=\"has-text-align-left\" data-align=\"left\">Edge strength and fracture toughness against interrupted cuts<\/td><td class=\"has-text-align-left\" data-align=\"left\">M2, M35<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cutting where heat softening becomes a problem<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/tungsten-high-speed-steel-tempering-chart\/\">Higher red hardness and hot hardness<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">M35, M42<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Difficult-to-machine alloys and high-strength steels<\/td><td class=\"has-text-align-left\" data-align=\"left\">High hot hardness and resistance to edge softening<\/td><td class=\"has-text-align-left\" data-align=\"left\">M42<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Applications where tooth chipping risk is high<\/td><td class=\"has-text-align-left\" data-align=\"left\">Toughness and edge strength over maximum wear resistance<\/td><td class=\"has-text-align-left\" data-align=\"left\">M2<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Tool Steel Selection for High-Speed Cutting Tools, Hobs &amp; Broaches Select high-speed steel by cutting speed, workpiece material, red hardness, abrasion resistance, tooth toughness, and edge chipping risk. For hobs, broaches, drills, milling cutters, and multi-edge cutting tools, the main choice is usually between toughness, hot hardness, wear resistance, and edge strength. Quick Selection Guide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-15481","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>High-Speed Steel for Cutting Tools, Hobs &amp; Broaches - AoboSteel<\/title>\n<meta name=\"description\" content=\"Select M2, M35, or M42 high-speed steel for cutting tools, hobs, and broaches by red hardness, wear resistance, toughness, and edge chipping risk.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/ko\/high-speed-steel-for-cutting-tools-hobs-broaches\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High-Speed Steel for Cutting Tools, Hobs &amp; Broaches\" \/>\n<meta property=\"og:description\" content=\"Select M2, M35, or M42 high-speed steel for cutting tools, hobs, and broaches by red hardness, wear resistance, toughness, and edge chipping risk.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/ko\/high-speed-steel-for-cutting-tools-hobs-broaches\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-23T00:59:31+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data1\" content=\"2\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/high-speed-steel-for-cutting-tools-hobs-broaches\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/high-speed-steel-for-cutting-tools-hobs-broaches\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"High-Speed Steel for Cutting Tools, Hobs &amp; 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Broaches Select high-speed steel by cutting speed, workpiece material, red hardness, abrasion resistance, tooth toughness, and edge chipping risk. For hobs, broaches, drills, milling cutters, and multi-edge cutting tools, the main choice is usually between toughness, hot hardness, wear resistance, and edge strength. Quick Selection Guide&hellip;","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Tool Steel Selection for High-Speed Cutting Tools, Hobs &amp; Broaches Select high-speed steel by cutting speed, workpiece material, red hardness, abrasion resistance, tooth toughness, and edge chipping risk. For hobs, broaches, drills, milling cutters, and multi-edge cutting tools, the main choice is usually between toughness, hot hardness, wear resistance, and edge strength. 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