{"id":2193,"date":"2022-04-07T15:08:38","date_gmt":"2022-04-07T07:08:38","guid":{"rendered":"https:\/\/princefastener.com\/?p=2193"},"modified":"2022-04-08T15:18:25","modified_gmt":"2022-04-08T07:18:25","slug":"tornillos-de-cabeza-hueca-hexagonal-avellanada-din7991","status":"publish","type":"post","link":"https:\/\/princefastener.com\/es\/din7991-countersunk-hexagon-socket-cap-screws\/","title":{"rendered":"Prince Fastener: el \u00edndice de dureza de los tornillos de cabeza hueca hexagonal avellanada DIN7991 de grado 8.8"},"content":{"rendered":"
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El \u00edndice de dureza de los tornillos de cabeza hueca hexagonal avellanada DIN7991 de grado 8.8<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Los tornillos de cabeza hueca de cabeza avellanada DIN7991 de grado 8.8 se clasifican seg\u00fan la dureza del alambre del tornillo, la fuerza de tracci\u00f3n, el l\u00edmite el\u00e1stico, etc. Los diferentes materiales del producto deben tener diferentes grados de pernos de cabeza hueca hexagonal correspondientes a ellos. Todos los tornillos de cabeza hueca hexagonal tienen los siguientes grados:<\/p>

\"Pernos<\/p>

Los tornillos de cabeza hueca hexagonal se dividen en ordinarios y de alta resistencia seg\u00fan la resistencia del grado. Los tornillos de cabeza hueca ordinarios se refieren al grado 4.8, y los tornillos de cabeza hueca de alta resistencia se refieren a los grados 8.8 y superiores, incluidos los grados 10.9 y 12.9. Los tornillos de cabeza hueca de grado 12.9 generalmente se refieren a tornillos de cabeza hueca hexagonal negros naturales moleteados con aceite.<\/p>

Los grados de rendimiento de los pernos de cabeza hueca hexagonal para la conexi\u00f3n de estructuras de acero se dividen en m\u00e1s de 10 grados, como 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc. Los pernos de grado 8.8 y superior son hecho de acero de aleaci\u00f3n de bajo carbono o acero de carbono medio. Despu\u00e9s del tratamiento t\u00e9rmico (templado y revenido), generalmente se denominan pernos de alta resistencia y el resto generalmente se denominan pernos ordinarios. La etiqueta de grado de rendimiento del perno consta de dos partes de n\u00fameros, que representan el valor de resistencia a la tracci\u00f3n nominal y la relaci\u00f3n de rendimiento del material del perno.<\/p>

Sujetador Pr\u00edncipe<\/a>\u00a0 Centrarse en las categor\u00edas de productos:<\/p>

\"tornillo<\/p>

Pernos hexagonales<\/a> GB5782 DIN931 (ISO4014), GB5783 DIN933 (ISO4017), DIN609<\/a> (tornillos refinados)<\/p>

Perno de cabeza hueca hexagonal GB70 DIN912 (ISO4762), DIN7984, DIN6912, ISO7380, DIN910, ISO7379,<\/p>

Almohadilla plana GB97, DIN125, DIN433, DIN1440, DIN6916, DIN7989A, DIN9021,<\/p>

Arandela el\u00e1stica DIN127,DIN128,<\/p>

Arandela de seguridad NORD LOCK arandela de seguridad, arandela dentada de doble cara, arandela de seguridad dentada exterior (interior) (DIN6798), arandela de seguridad dentada exterior (interior) (DIN6797), arandela ondulada DIN137, lavavajillas DIN2093, DIN6796, pernos en forma de T DIN186, ojo pernos DIN580, pernos de carro GB12.GB14.DIN603,<\/p>

Clavijas de posicionamiento DIN94, DIN1473, DIN6325, DIN7979,<\/p>

Tornillos de fijaci\u00f3n DIN913, DIN914, DIN915, DIN916, DIN906, DIN908, tornillos Phillips DIN7985, DIN965, tornillos ranurados DIN84, tornillos ranurados DIN7997-Z (NEN2253), DIN7995-Z, tornillos phillips<\/a>,<\/p>

Barra roscada DIN975, DIN976, esp\u00e1rrago DIN939(NEN2332), DIN938(NEN2331), con perno de brida DIN6900, ISO7380, DIN6921, con perno de bloqueo de brida, perno de ojo de pez DIN444,<\/p>

Tuerca hexagonal DIN934 (ISO4032), Tuerca hexagonal fina DIN439, Tapa DIN1587, DIN917, Tuerca autoblocante de nailon DIN982, DIN985, Tuerca cuadrada DIN562, DIN557, Tuerca a presi\u00f3n DIN7967, Tuerca redonda DIN1804W, Tuerca soldada DIN928 (Tuerca soldada cuadrada), DIN9299 (Tuerca de soldadura hexagonal), Tuerca de brida DIN6923,<\/p>

Est\u00e1ndar del producto: est\u00e1ndar alem\u00e1n DIN, est\u00e1ndar internacional ISO, est\u00e1ndar estadounidense ANSI, est\u00e1ndar brit\u00e1nico BS, est\u00e1ndar europeo EN, est\u00e1ndar holand\u00e9s NEN, est\u00e1ndar franc\u00e9s NF, est\u00e1ndar nacional GB... Material del producto: acero inoxidable 304.316.316L.310S.25\/20. B8.B8M.904.904L.A2.A4.A2-70.A4-70.A4-80\u2026<\/p>

\"Proveedor<\/p>

Los materiales de acero al carbono incluyen: acero 20#.35K.45#, 30CrMo.35CrMo.40CrMo.42CrMo.SMC435.42CrMoA, etc. 4.8, 8.8, 10.9, 12.9;<\/p>

Otros materiales son tornillos de cobre, tornillos de aluminio, tornillos de aleaci\u00f3n de titanio, nailon, pl\u00e1stico, poli\u00e9ter \u00e9ter cetona, PTFE politetrafluoroetileno, etc.<\/p>

Tratamiento de la superficie: el tratamiento de la superficie del producto incluye: protecci\u00f3n ambiental (RoHS) galvanizado, colorido, azul y blanco, cobre, esta\u00f1o, espaciador, tefl\u00f3n, Dacromet, cromo, plata, bronce, imitaci\u00f3n de oro, niquelado, negro, verde oscuro, ennegrecimiento t\u00edpico, ennegrecimiento alto, etc.; Pernos de cabeza hueca hexagonal, pernos de cabeza hexagonal, pernos de rosca fina y otros productos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tcontacto para m\u00e1s informaci\u00f3n<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Top 10 Self-Tapping Screw Manufacturer in China According to China Customs data, the import quantity of self-tapping screws in China from January to December 2019 was 10,892.49 tons. The import amount was 89,087,900 USD; the export quantity of self tapping screws from January to December 2019 was 304,516.61 tons, and the export amount was 630,912,200 […]<\/p>\n","protected":false},"author":1,"featured_media":2196,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"0","_seopress_titles_title":"%%title%% -Prince Fastener","_seopress_titles_desc":"A grand event for industrial rice, fasteners, supply chain, industrial chain, and end-usersExhibition time: June 1-3, 2022The 8.8-grade DIN7991 countersunk head socket head cap screws are classified according to the hardness of the screw wire, tensile force, yield strength, etc","_seopress_robots_index":"","_joinchat":[],"footnotes":""},"categories":[149,148],"tags":[151,147,145,143,144,146,152],"class_list":["post-2193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fastener-manufacturing","category-fastener-knowledge","tag-basic-knowledge-summary-for-fastener","tag-bolts-and-nuts","tag-fastener-choosing","tag-fastener-manufacturing","tag-fastener-material","tag-fastener-supplier","tag-reliable-manufacturer"],"yoast_head":"\nPrince Fastener:The Hardness Index of 8.8 grade DIN7991 Countersunk Hexagon Socket Cap Screws -Prince Fastener<\/title>\n<meta name=\"description\" content=\"A grand event for industrial rice, fasteners, supply chain, industrial chain, and end-usersExhibition time: June 1-3, 2022The 8.8-grade DIN7991 countersunk head socket head cap screws are classified according to the hardness of the screw wire, tensile force, yield strength, etc\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/princefastener.com\/es\/tornillos-de-cabeza-hueca-hexagonal-avellanada-din7991\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prince Fastener:The Hardness Index of 8.8 grade DIN7991 Countersunk Hexagon Socket Cap Screws -Prince Fastener\" \/>\n<meta property=\"og:description\" content=\"A grand event for industrial rice, fasteners, supply chain, industrial chain, and end-usersExhibition time: June 1-3, 2022The 8.8-grade DIN7991 countersunk head socket head cap screws are classified according to the hardness of the screw wire, tensile force, yield strength, etc\" \/>\n<meta property=\"og:url\" content=\"https:\/\/princefastener.com\/es\/tornillos-de-cabeza-hueca-hexagonal-avellanada-din7991\/\" \/>\n<meta property=\"og:site_name\" content=\"Screws and Fasteners Manufacturer\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Prince-Fastener-Manufacturing-Co-Ltd-107643758056794\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-07T07:08:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-04-08T07:18:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/princefastener.com\/wp-content\/uploads\/2022\/04\/DIN7991-bolts.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"841\" \/>\n\t<meta property=\"og:image:height\" content=\"445\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Prince Fastener\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PrinceFastener\" \/>\n<meta name=\"twitter:site\" content=\"@PrinceFastener\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Prince Fastener\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"15 minutos\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Prince Fastener: el \u00edndice de dureza de los tornillos de cabeza hueca hexagonal avellanada DIN7991 de grado 8,8 - 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