{"id":1062,"date":"2025-10-22T01:19:45","date_gmt":"2025-10-22T01:19:45","guid":{"rendered":"https:\/\/www.lichtgitter.cz\/en\/?post_type=produkty&#038;p=1062"},"modified":"2026-03-17T13:45:10","modified_gmt":"2026-03-17T13:45:10","slug":"fastening-material","status":"publish","type":"produkty","link":"https:\/\/www.lichtgitter.cz\/en\/blog\/produkty\/resistance-welded-gratings-sp\/fastening-material\/","title":{"rendered":"Fastening material"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-6b0857d5 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-84675cea\"><h2 class=\"uagb-heading-text\"><strong>Fastening material for P and SP gratings<\/strong><\/h2><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gratings must be secured against lifting or slipping off the supporting structure. Each grating must be fastened at least at four points, preferably at the corners.<\/li>\n\n\n\n<li>Lichtgitter CZ supplies fastening material for all types of gratings and for all commonly supplied and specified types of supporting structure profiles.<\/li>\n\n\n\n<li>All fastening elements must be inspected periodically, depending on the conditions of use, and the bolted joints must be retightened if necessary.<\/li>\n\n\n\n<li>Unless stated otherwise, all types of fastening elements, including bolts and nuts, are hot-dip galvanized.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-2d2d345b\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-ad8ebc99\"><h2 class=\"uagb-heading-text\">B 133T \u2013 Standard fastening element<\/h2><\/div>\n\n\n\n<p>Consists of a robust bottom part, a bolt, a nut and a plate (clip). It is designed so that with a mesh size of 33 x 33 mm it can be installed from above through the grating openings. The standard fastening element is not suitable for environments with vibrations. It is also not suitable for fastening gratings used as stair treads (use is possible if the gratings are secured against shifting).<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-9e18734e wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_133t_lg_1466491372-1.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_133t_lg_1466491372-1.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_133t_lg_1466491372-1.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_133t_lg_1466491372-1.jpg\" alt=\"\" class=\"uag-image-1065\" width=\"702\" height=\"496\" title=\"b_133t_lg_1466491372 (1)\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lichtgitter.cz\/hr\/wp-content\/uploads\/sites\/3\/2026\/02\/Instal_133T-EN.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">installation instructions<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-911b7ca8\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-e6d51472\"><h2 class=\"uagb-heading-text\">B 334K \u2013 Safety fastening element with locking<\/h2><\/div>\n\n\n\n<p>This element prevents the grating from sliding off the structure even if the bolted joint is loosened. It is intended for forge-welded gratings with a height of max. 50 mm with the mesh size:<\/p>\n\n\n\n<p>34 x 38 mm &#8211; fastening element B 334K<br>34 x 50 mm &#8211; fastening element B 351K<br>34 x 24 mm &#8211; fastening element B 33424K<br>Installation from above through the grating openings is only possible for mesh 34 x 38 mm and 34 x 50 mm<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-715d53e3 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_334k_new_lg_1466491390.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_334k_new_lg_1466491390.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_334k_new_lg_1466491390.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_334k_new_lg_1466491390.jpg\" alt=\"\" class=\"uag-image-1075\" width=\"702\" height=\"496\" title=\"b_334k_new_lg_1466491390\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lichtgitter.cz\/hr\/wp-content\/uploads\/sites\/3\/2026\/02\/Instal_334K_633K-EN.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">installation instructions<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-1e5f14ea\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d88f1505\"><h2 class=\"uagb-heading-text\">B433-TM \u2013 Shot-fired fastening element<\/h2><\/div>\n\n\n\n<p>Enables very fast fastening of the grating. It consists of an electro-galvanized or stainless steel shot-fired pin with an M 8 thread and a special plate with an internal thread. It can be used for bearing bar spacing from 25 to 40 mm. Installation is carried out using special tools. The fastening element is suitable for environments with vibrations.<\/p>\n\n\n\n<p>Plate versions:<br>B433-TM \u2013 duplex, suitable for outdoor environments<br>B433-T \u2013 electro-galvanized, for indoor environments<br>B433-TR \u2013 stainless steel version, for aggressive environments<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-f5c76726 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_433t_lg_1466491399.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_433t_lg_1466491399.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_433t_lg_1466491399.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_433t_lg_1466491399.jpg\" alt=\"\" class=\"uag-image-1074\" width=\"702\" height=\"496\" title=\"b_433t_lg_1466491399\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lichtgitter.cz\/hr\/wp-content\/uploads\/sites\/3\/2026\/02\/Instal_433T-EN.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">installation instructions<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f8657652\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-6b8d37be\"><h2 class=\"uagb-heading-text\">B 533 K \u2013 Weld-on fastening element<\/h2><\/div>\n\n\n\n<p>Consists of a special bolt butt-welded to the supporting structure, a nut and a top clip. This fastening ensures high safety against slipping and the grating falling.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-d75b770f wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_533k_lg_1466491679.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_533k_lg_1466491679.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_533k_lg_1466491679.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_533k_lg_1466491679.jpg\" alt=\"\" class=\"uag-image-1073\" width=\"702\" height=\"496\" title=\"b_533k_lg_1466491679\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f2ce5cf5\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-cf33a929\"><h2 class=\"uagb-heading-text\">B 633K \u2013 Safety fastening element with locking<\/h2><\/div>\n\n\n\n<p>It is intended for pressed gratings with a mesh size of 33 x 33 mm and a height of max. 50 mm. This element prevents the grating from sliding off the supporting structure even if the bolted joint becomes loose. Installation from above through the grating openings is possible.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-06e2e9c0 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_633k_new_lg_1466491410.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_633k_new_lg_1466491410.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_633k_new_lg_1466491410.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_633k_new_lg_1466491410.jpg\" alt=\"\" class=\"uag-image-1072\" width=\"702\" height=\"496\" title=\"b_633k_new_lg_1466491410\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lichtgitter.cz\/hr\/wp-content\/uploads\/sites\/3\/2026\/02\/Instal_334K_633K-EN.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">installation instructions<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-41504d77\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-94331a9c\"><h2 class=\"uagb-heading-text\">B 733T \u2013 Hook fastening element<\/h2><\/div>\n\n\n\n<p>It is intended for fastening the grating to a support profile without a bottom flange. For a complete specification, it is necessary to specify the size and type of the support profile. This element also fixes and locks the position of the grating.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-0d730f0a wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_733t_lg_1466491418.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_733t_lg_1466491418.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_733t_lg_1466491418.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_733t_lg_1466491418.jpg\" alt=\"\" class=\"uag-image-1071\" width=\"702\" height=\"496\" title=\"b_733t_lg_1466491418\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lichtgitter.cz\/hr\/wp-content\/uploads\/sites\/3\/2026\/02\/Instal_733T_833T-EN.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">installation instructions<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-3d7655fb\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-31e9cc70\"><h2 class=\"uagb-heading-text\">B 833T \u2013 Hook fastening element<\/h2><\/div>\n\n\n\n<p>It is intended for fastening the grating to a support profile with a bottom flange. For a complete specification, it is necessary to specify<br>the size of the support profile. This element also fixes and locks the position of the grating.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-972e5753 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_833t_lg_1466491425.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_833t_lg_1466491425.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_833t_lg_1466491425.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_833t_lg_1466491425.jpg\" alt=\"\" class=\"uag-image-1070\" width=\"702\" height=\"496\" title=\"b_833t_lg_1466491425\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lichtgitter.cz\/hr\/wp-content\/uploads\/sites\/3\/2026\/02\/Instal_733T_833T-EN.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">installation instructions<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-e4fe77ee\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-b36b8928\"><h2 class=\"uagb-heading-text\">B 933T \u2013 Double clip<\/h2><\/div>\n\n\n\n<p>It enables the connection of two adjacent gratings in places where large deflections occur, thus preventing the formation of the so-called \u201ctrench edge\u201d. It is applied mainly in areas where large shaped cut-outs are made in gratings.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-feb77db8 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_933t_lg_1466491436.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_933t_lg_1466491436.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_933t_lg_1466491436.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_933t_lg_1466491436.jpg\" alt=\"\" class=\"uag-image-1069\" width=\"702\" height=\"496\" title=\"b_933t_lg_1466491436\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lichtgitter.cz\/hr\/wp-content\/uploads\/sites\/3\/2026\/02\/Instal_933T-EN.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">installation instructions<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-6d962ae2\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-3b2cc2f4\"><h2 class=\"uagb-heading-text\">B10 \u2013 Fastening element for gratings with a 11.11 mm cross bar pitch<\/h2><\/div>\n\n\n\n<p>Consists of the bottom part of the fastening element, a bolt with a flat round head and a nut. The bolt length is at least the grating height + 40 mm. The fastening element is suitable for mesh 22&#215;11 mm.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-27026592 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_10_lg_1466491361.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_10_lg_1466491361.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_10_lg_1466491361.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_10_lg_1466491361.jpg\" alt=\"\" class=\"uag-image-1068\" width=\"702\" height=\"496\" title=\"b_10_lg_1466491361\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-d02cffd7\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-7098b383\"><h2 class=\"uagb-heading-text\">B 13311K \u2013 Standard fastening element for gratings with a 11.11 mm cross bar pitch<\/h2><\/div>\n\n\n\n<p>Consists of the bottom part of the fastening element, the top clip,&nbsp; a countersunk head bolt and a nut. The fastening element is suitable for bearing bar spacing of 33.33 mm and larger.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-f5251de8 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_13311k_lg_1466491445.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_13311k_lg_1466491445.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_13311k_lg_1466491445.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_13311k_lg_1466491445.jpg\" alt=\"\" class=\"uag-image-1067\" width=\"702\" height=\"496\" title=\"b_13311k_lg_1466491445\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-0ec73c78\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-53ebebf4\"><h2 class=\"uagb-heading-text\">B 270 \u2013 Fastening using an anchor plate<\/h2><\/div>\n\n\n\n<p>Consists of an anchor plate with a hole welded into the grating. Bolts are not included in the delivery.<br>Especially suitable for drivable gratings.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-5389c86a wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_270_lg_1466491379.jpg ,https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_270_lg_1466491379.jpg 780w, https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_270_lg_1466491379.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.lichtgitter.cz\/en\/wp-content\/uploads\/sites\/4\/2025\/10\/b_270_lg_1466491379.jpg\" alt=\"\" class=\"uag-image-1066\" width=\"702\" height=\"496\" title=\"b_270_lg_1466491379\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p>Other types of fastening elements are listed in the SP + P handbook, which you can find in the&nbsp;<a href=\"https:\/\/www.lichtgitter.cz\/en\/download\/\" type=\"page\" id=\"490\">Downloads<\/a>&nbsp;section.<\/p>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Fastening material for P and SP gratings B 133T \u2013 Standard fastening element Consists of a robust bottom part, a bolt, a nut and a plate (clip). It is designed so that with a mesh size of 33 x 33 mm it can be installed from above through the grating openings. The standard fastening element [&hellip;]<\/p>\n","protected":false},"featured_media":1559,"parent":164,"menu_order":3,"template":"","categories":[],"tags":[60],"class_list":["post-1062","produkty","type-produkty","status-publish","has-post-thumbnail","hentry","tag-odporove-svarovane-rosty-sp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fastening material - EN | lichtgitter.cz<\/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.lichtgitter.cz\/en\/blog\/produkty\/resistance-welded-gratings-sp\/fastening-material\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fastening material - EN | lichtgitter.cz\" \/>\n<meta property=\"og:description\" content=\"Fastening material for P and SP gratings B 133T \u2013 Standard fastening element Consists of a robust bottom part, a bolt, a nut and a plate (clip). It is designed so that with a mesh size of 33 x 33 mm it can be installed from above through the grating openings. 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