{"id":6695,"date":"2026-04-13T12:42:33","date_gmt":"2026-04-13T10:42:33","guid":{"rendered":"https:\/\/www.dueemmesidol.it\/?page_id=6695"},"modified":"2026-04-13T17:03:36","modified_gmt":"2026-04-13T15:03:36","slug":"surface-treatments","status":"publish","type":"page","link":"https:\/\/www.dueemmesidol.it\/it\/surface-treatments\/","title":{"rendered":"Surface Treatments & Corrosion Performance for Fasteners"},"content":{"rendered":"
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Surface Treatments & Corrosion Performance for Fasteners<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Surface treatments for fasteners can be divided into three main categories: aesthetic finishes, protective coatings, and functional coatings.<\/p>

While aesthetic treatments are mainly used to improve appearance, protective coatings are designed to enhance corrosion resistance, and functional coatings play a critical role in controlling friction, tightening behaviour, and overall assembly performance.<\/p>

Choosing the correct surface treatment is not only a matter of protection, but directly affects the reliability, durability, and performance of the fastening system.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Aesthetic Finishes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Aesthetic finishes are primarily used to improve the visual appearance of fasteners.<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"black\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tExplore aesthetic finishes<\/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
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

They provide a uniform look and can enhance surface appearance, but offer limited corrosion protection. These treatments are typically used in non-critical indoor applications where appearance is more important than performance.<\/p>

Examples include black oxide and decorative coatings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Protective Coatings<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Protective coatings are primarily used to prevent corrosion and extend the service life of fasteners.<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"inc\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tExplore protective coatings<\/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
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

They create a barrier between the base material and the environment and are selected based on exposure conditions and required durability.<\/p>

Typical solutions include:<\/p>

Zinc plating<\/p>

Zinc-nickel coatings<\/p>

Hot dip galvanizing<\/p>

Zinc flake systems (e.g. GEOMET\u00ae)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Functional Coatings<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Functional coatings improve fastening performance during assembly and service.<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"fasteners\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tExplore locking and friction solutions<\/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
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

They control friction, prevent loosening, and ensure reliable sealing in critical applications.<\/p>

Typical solutions include:<\/p>

Pre-applied threadlockers<\/p>

Sealants for threaded connections<\/p>

Self-locking patches<\/p>

Low-friction coatings (e.g. PTFE)<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

How to choose the right coating<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

The selection of the correct surface treatment depends on:<\/p>

required corrosion resistance<\/p>

assembly conditions and friction requirements<\/p>

mechanical properties of the fastener<\/p>

application environment<\/p>

For specific applications, a technical evaluation is recommended.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Not sure which coating is right for your application?<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Contact us for technical support.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\ud83d\udc49 Request technical support<\/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<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Surface Treatments & Corrosion Performance for Fasteners Surface treatments for fasteners can be divided into three main categories: aesthetic finishes, protective coatings, and functional coatings. While aesthetic treatments are mainly used to improve appearance, protective coatings are designed to enhance corrosion resistance, and functional coatings play a critical role in controlling friction, tightening behaviour, and […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6695","page","type-page","status-publish","hentry"],"yoast_head":"\nSurface Treatments & Corrosion Performance for Fasteners - Dueemme Sidol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dueemmesidol.it\/it\/surface-treatments\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Surface Treatments & Corrosion Performance for Fasteners\" \/>\n<meta property=\"og:description\" content=\"Surface Treatments & Corrosion Performance for Fasteners Surface treatments for fasteners can be divided into three main categories: aesthetic finishes, protective coatings, and functional coatings. While aesthetic treatments are mainly used to improve appearance, protective coatings are designed to enhance corrosion resistance, and functional coatings play a critical role in controlling friction, tightening behaviour, and […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dueemmesidol.it\/it\/surface-treatments\/\" \/>\n<meta property=\"og:site_name\" content=\"Dueemme Sidol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-13T15:03:36+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/aesthetic-finishes-fasteners-1024x1024.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/\",\"url\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/\",\"name\":\"Surface Treatments & Corrosion Performance for Fasteners - Dueemme Sidol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/www.dueemmesidol.it\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/aesthetic-finishes-fasteners-1024x1024.png\",\"datePublished\":\"2026-04-13T10:42:33+00:00\",\"dateModified\":\"2026-04-13T15:03:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#primaryimage\",\"url\":\"http:\\\/\\\/www.dueemmesidol.it\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/aesthetic-finishes-fasteners-1024x1024.png\",\"contentUrl\":\"http:\\\/\\\/www.dueemmesidol.it\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/aesthetic-finishes-fasteners-1024x1024.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.dueemmesidol.it\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Surface Treatments & Corrosion Performance for Fasteners\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/#website\",\"url\":\"https:\\\/\\\/www.dueemmesidol.it\\\/\",\"name\":\"Dueemme Sidol\",\"description\":\"Viteria e Bulloneria\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.dueemmesidol.it\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"it-IT\"},{\"@type\":[\"Organization\",\"Place\"],\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/#organization\",\"name\":\"Dueemme Sidol\",\"url\":\"https:\\\/\\\/www.dueemmesidol.it\\\/\",\"logo\":{\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#local-main-organization-logo\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#local-main-organization-logo\"},\"telephone\":[],\"openingHoursSpecification\":[{\"@type\":\"OpeningHoursSpecification\",\"dayOfWeek\":[\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\"Friday\",\"Saturday\",\"Sunday\"],\"opens\":\"09:00\",\"closes\":\"17:00\"}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/surface-treatments\\\/#local-main-organization-logo\",\"url\":\"https:\\\/\\\/www.dueemmesidol.it\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/Dueemme-Sidol_Logo_RGB_Color-scaled.png\",\"contentUrl\":\"https:\\\/\\\/www.dueemmesidol.it\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/Dueemme-Sidol_Logo_RGB_Color-scaled.png\",\"width\":2560,\"height\":861,\"caption\":\"Dueemme Sidol\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Surface Treatments & Corrosion Performance for Fasteners - Dueemme Sidol","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.dueemmesidol.it\/it\/surface-treatments\/","og_locale":"it_IT","og_type":"article","og_title":"Surface Treatments & Corrosion Performance for Fasteners","og_description":"Surface Treatments & Corrosion Performance for Fasteners Surface treatments for fasteners can be divided into three main categories: aesthetic finishes, protective coatings, and functional coatings. While aesthetic treatments are mainly used to improve appearance, protective coatings are designed to enhance corrosion resistance, and functional coatings play a critical role in controlling friction, tightening behaviour, and […]","og_url":"https:\/\/www.dueemmesidol.it\/it\/surface-treatments\/","og_site_name":"Dueemme Sidol","article_modified_time":"2026-04-13T15:03:36+00:00","og_image":[{"url":"http:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/aesthetic-finishes-fasteners-1024x1024.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Tempo di lettura stimato":"3 minuti"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/","url":"https:\/\/www.dueemmesidol.it\/surface-treatments\/","name":"Surface Treatments & Corrosion Performance for Fasteners - Dueemme Sidol","isPartOf":{"@id":"https:\/\/www.dueemmesidol.it\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#primaryimage"},"image":{"@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#primaryimage"},"thumbnailUrl":"http:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/aesthetic-finishes-fasteners-1024x1024.png","datePublished":"2026-04-13T10:42:33+00:00","dateModified":"2026-04-13T15:03:36+00:00","breadcrumb":{"@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.dueemmesidol.it\/surface-treatments\/"]}]},{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#primaryimage","url":"http:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/aesthetic-finishes-fasteners-1024x1024.png","contentUrl":"http:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/aesthetic-finishes-fasteners-1024x1024.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.dueemmesidol.it\/"},{"@type":"ListItem","position":2,"name":"Surface Treatments & Corrosion Performance for Fasteners"}]},{"@type":"WebSite","@id":"https:\/\/www.dueemmesidol.it\/#website","url":"https:\/\/www.dueemmesidol.it\/","name":"Dueemme Sidol","description":"Viteria e Bulloneria","publisher":{"@id":"https:\/\/www.dueemmesidol.it\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.dueemmesidol.it\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"it-IT"},{"@type":["Organization","Place"],"@id":"https:\/\/www.dueemmesidol.it\/#organization","name":"Dueemme Sidol","url":"https:\/\/www.dueemmesidol.it\/","logo":{"@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#local-main-organization-logo"},"image":{"@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#local-main-organization-logo"},"telephone":[],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"],"opens":"09:00","closes":"17:00"}]},{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/www.dueemmesidol.it\/surface-treatments\/#local-main-organization-logo","url":"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2020\/09\/Dueemme-Sidol_Logo_RGB_Color-scaled.png","contentUrl":"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2020\/09\/Dueemme-Sidol_Logo_RGB_Color-scaled.png","width":2560,"height":861,"caption":"Dueemme Sidol"}]}},"_links":{"self":[{"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/pages\/6695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/comments?post=6695"}],"version-history":[{"count":16,"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/pages\/6695\/revisions"}],"predecessor-version":[{"id":6746,"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/pages\/6695\/revisions\/6746"}],"wp:attachment":[{"href":"https:\/\/www.dueemmesidol.it\/it\/wp-json\/wp\/v2\/media?parent=6695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}