{"id":143,"date":"2025-10-31T16:06:23","date_gmt":"2025-10-31T19:06:23","guid":{"rendered":"https:\/\/casadausinagemmatao.com.br\/?post_type=product&#038;p=143"},"modified":"2025-10-31T16:07:44","modified_gmt":"2025-10-31T19:07:44","slug":"broca-de-aco-rapido-hss","status":"publish","type":"product","link":"https:\/\/casadausinagemmatao.com.br\/index.php\/product\/broca-de-aco-rapido-hss\/","title":{"rendered":"BROCA DE A\u00c7O R\u00c1PIDO HSS"},"content":{"rendered":"<p><strong>Descri\u00e7\u00e3o das brocas de a\u00e7o r\u00e1pido (HSS)<\/strong><\/p>\n<p><strong>Material: a\u00e7o r\u00e1pido (M2, M35, M42 dependendo da liga), que permite maior resist\u00eancia ao desgaste e \u00e0 temperatura.<\/strong><\/p>\n<p>Aplica\u00e7\u00e3o: fura\u00e7\u00e3o em a\u00e7os carbono, a\u00e7os ligados, ferro fundido, alum\u00ednio, cobre, bronze, lat\u00e3o, pl\u00e1sticos e outros materiais.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Geometria:<\/strong><\/p>\n<p>Corpo cil\u00edndrico helicoidal<\/p>\n<p>\u00c2ngulo da ponta normalmente 118\u00b0 (uso geral) ou 135\u00b0 (para a\u00e7os mais duros e inox).<\/p>\n<p>Canais helicoidais para evacua\u00e7\u00e3o do cavaco<\/p>\n<p>Fixa\u00e7\u00e3o: haste cil\u00edndrica (para mandril de furadeira ou porta-broca) ou haste c\u00f4nica Morse (para furadeiras de coluna e tornos).<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\ud83d\udcd0 Medidas principais das brocas HSS<\/strong><\/p>\n<ol>\n<li>Di\u00e2metro nominal (d1) \u2192 vai de 0,2 mm at\u00e9 20 mm em jogos comuns; pode chegar a 50 mm em especiais.<\/li>\n<li>Comprimento total (L) \u2192 depende da norma:<\/li>\n<\/ol>\n<p>Broca curta (stub \u2013 DIN 1897).<\/p>\n<p>Broca normal (jobber \u2013 DIN 338, ISO 235).<\/p>\n<p>Broca longa (long series \u2013 DIN 340).<\/p>\n<p>Extra longa (DIN 1869).<\/p>\n<ol start=\"3\">\n<li>Comprimento da parte \u00fatil (l2) \u2192 zona de corte com as h\u00e9lices.<\/li>\n<li>\u00c2ngulo de ponta (\u03b8) \u2192 geralmente 118\u00b0 (uso geral) ou 135\u00b0 (para corte de materiais duros\/inox)<\/li>\n<li>Passo da h\u00e9lice (helix angle) \u2192 normal (25\u201330\u00b0), r\u00e1pido (35\u201340\u00b0) ou lento (15\u201320\u00b0).<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><strong>\ud83d\udd39 Exemplos pr\u00e1ticos de medidas (norma DIN 338 \u2013 Jobber Drill)<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Di\u00e2metro (mm)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Comprimento total (L)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Parte \u00fatil (l2)<\/p>\n<p>2,0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 49 mm\u00a0\u00a0 24 mm<\/p>\n<p>4,0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 75 mm\u00a0\u00a0 43 mm<\/p>\n<p>6,0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 93 mm\u00a0\u00a0 57 mm<\/p>\n<p>8,0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 117 mm 75 mm<\/p>\n<p>10,0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 133 mm 87 mm<\/p>\n<p>12,0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 151 mm 101 mm<\/p>\n<p>16,0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 184 mm 120 mm<\/p>\n<p>&nbsp;<\/p>\n<p>(valores t\u00edpicos de cat\u00e1logo Dormer \/ DIN 338)<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u2705 Resumo<\/strong><\/p>\n<p>Brocas de a\u00e7o r\u00e1pido (HSS) s\u00e3o ferramentas universais de fura\u00e7\u00e3o<\/p>\n<p>Existem em di\u00e2metros de 0,2 a 50 mm.<\/p>\n<p>Classificadas por comprimento: curtas, normais, longas e extralongas.<\/p>\n<p>Principais normas: DIN 338 (normais), DIN 340 (longas), DIN 1897 (curtas), DIN 1869 (extra longas).<\/p>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div> \n","protected":false},"excerpt":{"rendered":"<p>Descri\u00e7\u00e3o das brocas de a\u00e7o r\u00e1pido (HSS) Material: a\u00e7o r\u00e1pido (M2, M35, M42 dependendo da liga), que permite maior resist\u00eancia ao desgaste e \u00e0 temperatura. Aplica\u00e7\u00e3o: fura\u00e7\u00e3o em a\u00e7os carbono, a\u00e7os ligados, ferro fundido, alum\u00ednio, cobre, bronze, lat\u00e3o, pl\u00e1sticos e outros materiais. &nbsp; Geometria: Corpo cil\u00edndrico helicoidal \u00c2ngulo da ponta normalmente 118\u00b0 (uso geral) ou [&hellip;]<\/p>\n","protected":false},"featured_media":222,"comment_status":"closed","ping_status":"closed","template":"","meta":{"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""}},"product_brand":[23,35],"product_cat":[33],"product_tag":[34,64],"class_list":{"0":"post-143","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-dormer","7":"product_brand-lenox-twill","8":"product_cat-brocas","9":"product_tag-brocas","10":"product_tag-brocas-de-aco-rapido","12":"first","13":"instock","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/product\/143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/comments?post=143"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/media\/222"}],"wp:attachment":[{"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/media?parent=143"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/product_brand?post=143"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/product_cat?post=143"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/casadausinagemmatao.com.br\/index.php\/wp-json\/wp\/v2\/product_tag?post=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}