{"id":174,"date":"2025-10-10T08:37:17","date_gmt":"2025-10-10T08:37:17","guid":{"rendered":"https:\/\/zdunekknives.com\/?p=174"},"modified":"2025-10-14T10:31:02","modified_gmt":"2025-10-14T10:31:02","slug":"sekret-perfekcyjnego-ciecia-szlif-wklesly","status":"publish","type":"post","link":"https:\/\/zdunekknives.com\/en\/blog\/sekret-perfekcyjnego-ciecia-szlif-wklesly\/","title":{"rendered":"Why I choose concave (hollow) grinding in my knives"},"content":{"rendered":"<p>Each knife can be designed in different ways-not only in terms of materials or shape, but also in terms of the blade grinding itself. It is the grinding geometry that determines how the knife will cut, how long it will stay sharp, and what it is best suited for.<\/p>\n\n\n\n<p>In the knife business, there are several main types of grinding:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flat seam<\/strong> - Popular and versatile, it is well suited for everyday use, providing good cutting properties and easy sharpening.<\/li>\n\n\n\n<li><strong>Convex grinding (convex grind)<\/strong> - very powerful, ideal for jobs that require a lot of stamina (for example, in survival or Bushcraft).<\/li>\n\n\n\n<li><strong>Scandinavian grinding (scandi grind)<\/strong> - typical of Scandinavian knives, great for woodwork, easy to sharpen even in the field.<\/li>\n\n\n\n<li><strong>Hollow grinding<\/strong> - relatively rare, but unique in its cutting properties.<\/li>\n<\/ul>\n\n\n\n<p>If this article appeared on your blog, you could insert illustrations or diagrams that show differences in the grinding geometry \u2013 this makes it much easier for the reader to understand the topic.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/zdunekknives.com\/en\/blog\/sekret-perfekcyjnego-ciecia-szlif-wklesly\/#Moj_wybor_%E2%80%93_szlif_wklesly\" >My choice is a concave cut<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/zdunekknives.com\/en\/blog\/sekret-perfekcyjnego-ciecia-szlif-wklesly\/#Szlif_dla_wymagajacych_rzemieslnikow\" >Sanding for demanding craftsmen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/zdunekknives.com\/en\/blog\/sekret-perfekcyjnego-ciecia-szlif-wklesly\/#Dlaczego_nie_najpopularniejszy_ale_najlepszy_dla_mnie\" >Why not the most popular, but the best for me<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Moj_wybor_%E2%80%93_szlif_wklesly\"><\/span>My choice is a concave cut<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Although each of the above grinds has its own advantages, in my opinion <strong>the most suitable for hunting knives is concave grinding<\/strong>. It was this cut that was the hallmark of the legendary knife master <strong>Boba Lovelessa<\/strong>, who developed the iconic hunting knife <strong>Drop Point Hunter<\/strong>.<\/p>\n\n\n\n<p>Features that make a concave cut unique:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Excellent cutting properties<\/strong> - thanks to the thin cutting edge, the knife with such grinding works perfectly when working with leather and meat.<\/li>\n\n\n\n<li><strong>Easy sharpening<\/strong> - because of the geometry, sharpening is relatively simple and allows you to quickly return the knife to perfect sharpness.<\/li>\n\n\n\n<li><strong>Endurance<\/strong> - concave grinding requires the use of thicker steel at the top of the blade, which allows the knife to maintain greater load strength.<\/li>\n\n\n\n<li><strong>Longevity<\/strong> - the knife can be sharpened for many years, while maintaining the same sharpening angle. Over time, the knife becomes narrower, but its cutting properties and geometry remain virtually unchanged.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Szlif_dla_wymagajacych_rzemieslnikow\"><\/span>Sanding for demanding craftsmen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>It is worth noting that <strong>concave cutting is one of the most difficult to make<\/strong>. This requires a lot of experience, a steady hand, and maximum focus on your work. An error in controlling the blade during sanding can negate hours of work with the knife.<\/p>\n\n\n\n<p>However, the end result is worth it-the concave-ground knife is an extremely precise, sharp and reliable tool. That's why <strong>specializes in this technique<\/strong> and I consider it a hallmark of my knives.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dlaczego_nie_najpopularniejszy_ale_najlepszy_dla_mnie\"><\/span>Why not the most popular, but the best for me<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Despite the fact that concave cutting is not one of the most popular solutions, for me it is the best choice. My knives are not about mass production or compromises, but about <strong>a combination of functionality, durability and cutting perfection<\/strong>.<\/p>\n\n\n\n<p>This is a philosophy that I inherited from the master hacksaws-and that I will implement in every subsequent project.<\/p>","protected":false},"excerpt":{"rendered":"<p>Geometria ostrza decyduje o wszystkim! T\u0142umacz\u0119, dlaczego szlif wkl\u0119s\u0142y (hollow grind), znak rozpoznawczy no\u017cy u\u017cytkowych, jest najlepszym wyborem dla no\u017cy my\u015bliwskich. Odkryj jego wyj\u0105tkowe w\u0142a\u015bciwo\u015bci tn\u0105ce (idealne do sk\u00f3ry i mi\u0119sa), \u0142atwo\u015b\u0107 ostrzenia i niezwyk\u0142\u0105 wytrzyma\u0142o\u015b\u0107.<\/p>","protected":false},"author":1,"featured_media":183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dlaczego wybieram szlif wkl\u0119s\u0142y (hollow grind) w moich no\u017cach - zdunekknives.com<\/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:\/\/zdunekknives.com\/en\/blog\/sekret-perfekcyjnego-ciecia-szlif-wklesly\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dlaczego wybieram szlif wkl\u0119s\u0142y (hollow grind) w moich no\u017cach - zdunekknives.com\" \/>\n<meta property=\"og:description\" content=\"Geometria ostrza decyduje o wszystkim! T\u0142umacz\u0119, dlaczego szlif wkl\u0119s\u0142y (hollow grind), znak rozpoznawczy no\u017cy u\u017cytkowych, jest najlepszym wyborem dla no\u017cy my\u015bliwskich. Odkryj jego wyj\u0105tkowe w\u0142a\u015bciwo\u015bci tn\u0105ce (idealne do sk\u00f3ry i mi\u0119sa), \u0142atwo\u015b\u0107 ostrzenia i niezwyk\u0142\u0105 wytrzyma\u0142o\u015b\u0107.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zdunekknives.com\/en\/blog\/sekret-perfekcyjnego-ciecia-szlif-wklesly\/\" \/>\n<meta property=\"og:site_name\" content=\"zdunekknives.com\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-10T08:37:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-14T10:31:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zdunekknives.com\/wp-content\/uploads\/2025\/10\/szlif.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1056\" \/>\n\t<meta property=\"og:image:height\" content=\"704\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/zdunekknives.com\\\/blog\\\/sekret-perfekcyjnego-ciecia-szlif-wklesly\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/zdunekknives.com\\\/blog\\\/sekret-perfekcyjnego-ciecia-szlif-wklesly\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/zdunekknives.com\\\/#\\\/schema\\\/person\\\/31243d85f7debd3fa48fbb3b7f40eef9\"},\"headline\":\"Dlaczego wybieram szlif wkl\u0119s\u0142y (hollow grind) w moich no\u017cach\",\"datePublished\":\"2025-10-10T08:37:17+00:00\",\"dateModified\":\"2025-10-14T10:31:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/zdunekknives.com\\\/blog\\\/sekret-perfekcyjnego-ciecia-szlif-wklesly\\\/\"},\"wordCount\":538,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/zdunekknives.com\\\/#\\\/schema\\\/person\\\/8302678bb4af7e4efd62b144282bb378\"},\"image\":{\"@id\":\"https:\\\/\\\/zdunekknives.com\\\/blog\\\/sekret-perfekcyjnego-ciecia-szlif-wklesly\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/zdunekknives.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/szlif.webp\",\"articleSection\":[\"blog\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/zdunekknives.com\\\/blog\\\/sekret-perfekcyjnego-ciecia-szlif-wklesly\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/zdunekknives.com\\\/blog\\\/sekret-perfekcyjnego-ciecia-szlif-wklesly\\\/\",\"url\":\"https:\\\/\\\/zdunekknives.com\\\/blog\\\/sekret-perfekcyjnego-ciecia-szlif-wklesly\\\/\",\"name\":\"Dlaczego wybieram szlif wkl\u0119s\u0142y (hollow grind) w moich no\u017cach - 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