{"id":15481,"date":"2026-05-16T16:21:30","date_gmt":"2026-05-16T08:21:30","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15481"},"modified":"2026-05-16T16:21:31","modified_gmt":"2026-05-16T08:21:31","slug":"high-speed-steel-for-cutting-tools-hobs-broaches","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/high-speed-steel-for-cutting-tools-hobs-broaches\/","title":{"rendered":"High-Speed Steel for Cutting Tools, Hobs &amp; Broaches"},"content":{"rendered":"<section class=\"aobo-selection-page\">\n  <style>\n    .aobo-selection-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-blue-line: #c9dcff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-white: #ffffff;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--aobo-text);\n      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tools, the main choice is usually between toughness, hot hardness, wear resistance, and edge strength.\n      <\/p>\n    <\/div>\n\n    <div class=\"aobo-section-title\">\n      <h2>Quick Selection Guide by High-Speed Steel Grade<\/h2>\n      <p>\n        Choose the grade according to whether the tool is used for general cutting, hobs, broaches, difficult-to-machine alloys, or high-temperature cutting edges.\n      <\/p>\n    <\/div>\n\n    <div class=\"aobo-grid\">\n\n      <div class=\"aobo-card\">\n        <div>\n          <span class=\"aobo-tag\">General HSS Standard<\/span>\n          <h3>Acero de alta velocidad M2 <small>1.3343 \/ SKH51<\/small><\/h3>\n          <p>\n            Recommended for broaches, gear hobs, drills, milling cutters, and general high-speed cutting tools.\n          <\/p>\n          <div class=\"aobo-reason\">\n            Reason: M2 gives an economical balance of toughness, strength, and cutting ability for standard carbon and alloy steels.\n          <\/div>\n        <\/div>\n        <div class=\"aobo-buttons\">\n          <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/es\/m2-tool-steel\/\">Ver detalles<\/a>\n          <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n        <\/div>\n      <\/div>\n\n      <div class=\"aobo-card\">\n        <div>\n          <span class=\"aobo-tag\">Cobalt HSS Upgrade<\/span>\n          <h3>Acero de alta velocidad M35 <small>1.3243 \/ SKH55<\/small><\/h3>\n          <p>\n            Recommended when cutting tools need better hot hardness than standard M2 under more demanding cutting conditions.\n          <\/p>\n          <div class=\"aobo-reason\">\n            Reason: M35 is a cobalt-bearing high-speed steel direction, selected when cutting heat and edge softening become more serious than in normal M2 applications.\n          <\/div>\n        <\/div>\n        <div class=\"aobo-buttons\">\n          <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/es\/m35-tool-steel\/\">Ver detalles<\/a>\n          <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n        <\/div>\n      <\/div>\n\n      <div class=\"aobo-card\">\n        <div>\n          <span class=\"aobo-tag\">Difficult Materials<\/span>\n          <h3>Acero de alta velocidad M42 <small>1.3247 \/ SKH59<\/small><\/h3>\n          <p>\n            Recommended for heavy-duty cutting of difficult-to-machine materials and high-strength heat-treated steels.\n          <\/p>\n          <div class=\"aobo-reason\">\n            Reason: M42 provides higher cobalt-bearing hot hardness, helping the cutting edge resist softening under severe machining heat.\n          <\/div>\n        <\/div>\n        <div class=\"aobo-buttons\">\n          <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/es\/m42-tool-steel\/\">Ver detalles<\/a>\n          <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n        <\/div>\n      <\/div>\n\n    <\/div>\n\n    <div class=\"aobo-section-title\">\n      <h2>Selection Summary<\/h2>\n      <p>\n        This table gives a faster comparison when the buyer already knows the cutting tool type and main failure risk.\n      <\/p>\n    <\/div>\n\n    <table class=\"aobo-summary-table\">\n      <thead>\n        <tr>\n          <th>Cutting Tool Application<\/th>\n          <th>Requisito principal<\/th>\n          <th>Aobo Steel Grades<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>General broaches, gear hobs, drills, and milling cutters<\/td>\n          <td>Balanced toughness, strength, and cutting ability<\/td>\n          <td>M2<\/td>\n        <\/tr>\n        <tr>\n          <td>Large or complex multi-edge cutting tools<\/td>\n          <td>Edge strength and fracture toughness against interrupted cuts<\/td>\n          <td>M2, M35<\/td>\n        <\/tr>\n        <tr>\n          <td>Cutting where heat softening becomes a problem<\/td>\n          <td>Higher red hardness and hot hardness<\/td>\n          <td>M35, M42<\/td>\n        <\/tr>\n        <tr>\n          <td>Difficult-to-machine alloys and high-strength steels<\/td>\n          <td>High hot hardness and resistance to edge softening<\/td>\n          <td>M42<\/td>\n        <\/tr>\n        <tr>\n          <td>Applications where tooth chipping risk is high<\/td>\n          <td>Toughness and edge strength over maximum wear resistance<\/td>\n          <td>M2<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n\n    <div class=\"aobo-cta\">\n      <div>\n        <h2>Need High-Speed Steel for Cutting Tools, Hobs or Broaches?<\/h2>\n        <p>\n          Send your grade, size, quantity, cutting tool application, and workpiece material. Aobo Steel can support bulk supply of high-speed steel round bars and plates for industrial buyers.\n        <\/p>\n      <\/div>\n      <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/div>\n\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Tool Steel Selection for High-Speed Cutting Tools, Hobs &#038; 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":{"content-type":"","_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 v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>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\/es\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Tool Steel Selection for High-Speed Cutting Tools, Hobs &#038; 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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