{"id":22174,"date":"2026-08-27T20:13:00","date_gmt":"2026-08-27T10:43:00","guid":{"rendered":"https:\/\/tooldocker.com\/?post_type=product&#038;p=22174"},"modified":"2026-08-28T00:55:25","modified_gmt":"2026-08-27T15:25:25","slug":"wt-jgs-corner-round-diamond-router-bit-r8-30-5-mm-head-vacuum-brazed-edge-roundover-bit-with-bearing-1-2-shank","status":"publish","type":"product","link":"https:\/\/tooldocker.com\/index.php\/product\/wt-jgs-corner-round-diamond-router-bit-r8-30-5-mm-head-vacuum-brazed-edge-roundover-bit-with-bearing-1-2-shank\/","title":{"rendered":"WT-JGS Corner Round Diamond Router Bit R8 (30.5 mm Head) \u2013 Vacuum Brazed Edge Roundover Bit with Bearing (1\/2&#8221; Shank)"},"content":{"rendered":"\t\t<div data-elementor-type=\"product-post\" data-elementor-id=\"22174\" class=\"elementor elementor-22174\" data-elementor-post-type=\"product\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-8974597 e-flex e-con-boxed e-con e-parent\" data-id=\"8974597\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-adc45fb e-con-full e-flex e-con e-child\" data-id=\"adc45fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e83be07 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"e83be07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"16,0\">The <b data-path-to-node=\"17,0\" data-index-in-node=\"4\">ToolDocker WT-JGS Corner Round Diamond Router Bit (R8)<\/b> is a professional vacuum-brazed edge shaping tool engineered for creating uniform <span class=\"math-inline\" data-math=\"8\\text{ mm}\" data-index-in-node=\"141\">8 mm<\/span>\u00a0radius (approx. <span class=\"math-inline\" data-math=\"5\/16\\text{''}\" data-index-in-node=\"169\">5\/16&#8221;<\/span>) roundover edge profiles on engineered quartz, granite, marble, sintered stone, and porcelain slabs. Equipped with a top guide ball bearing, wide <span class=\"math-inline\" data-math=\"30.5\\text{ mm}\" data-index-in-node=\"329\">30.5 mm<\/span>\u00a0profile head, and a heavy-duty <span class=\"math-inline\" data-math=\"1\/2''\" data-index-in-node=\"375\">1\/2&#8221;<\/span>\u00a0shank, it allows portable router machines to follow slab edges cleanly without chatter, providing smooth edge transitions that significantly cut down on hand-polishing time.<\/p><h3 style=\"text-align: left;\" data-path-to-node=\"3\">Key Features<\/h3><ul><li><p data-path-to-node=\"15,0,0\"><b data-path-to-node=\"15,0,0\" data-index-in-node=\"0\">Medium R8 (<span class=\"math-inline\" data-math=\"8\\text{ mm}\" data-index-in-node=\"11\">8 mm<\/span>) Corner Roundover:<\/b> Creates a smooth <span class=\"math-inline\" data-math=\"8\\text{ mm}\" data-index-in-node=\"59\">8 mm<\/span>\u00a0(<span class=\"math-inline\" data-math=\"5\/16\\text{''}\" data-index-in-node=\"72\">5\/16&#8221;<\/span>) radius bullnose edge on countertop borders, window sills, stair treads, and vanity tops.<\/p><\/li><li><p data-path-to-node=\"15,1,0\"><b data-path-to-node=\"15,1,0\" data-index-in-node=\"0\">Top Guide Ball Bearing:<\/b> Smooth-rolling sealed bearing follows the workpiece edge directly for easy template routing with handheld portable stone routers.<\/p><\/li><li><p data-path-to-node=\"15,2,0\"><b data-path-to-node=\"15,2,0\" data-index-in-node=\"0\">Fluted Slurry Evacuation Channels:<\/b> Built-in clearance slits optimize water flow and clear stone slurry fast, preventing heat buildup and diamond glazing.<\/p><\/li><li><p data-path-to-node=\"15,3,0\"><b data-path-to-node=\"15,3,0\" data-index-in-node=\"0\">Vacuum-Brazed Diamond Bond:<\/b> High-concentration diamond particles deliver fast material removal and chip-free edge shaping on hard stone slabs.<\/p><\/li><\/ul>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-ac39a66 e-flex e-con-boxed e-con e-parent\" data-id=\"ac39a66\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-45cba1a e-con-full e-flex e-con e-child\" data-id=\"45cba1a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-615f2fc elementor-widget elementor-widget-wd_table\" data-id=\"615f2fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-el-table-wrap wd-reset-all-last\">\n\t\t\t<table class=\"wd-el-table\">\n\t\t\t\t\t\t\t\t\t<thead class=\"text-left\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-e530f6e\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th class=\"wd-table-cell elementor-repeater-item-636faec\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t\t<p>Parameter<\/p>\t\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th class=\"wd-table-cell elementor-repeater-item-d2717a9\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t\t<p>Specifications<\/p>\t\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t<\/thead>\n\t\t\t\t\n\t\t\t\t<tbody class=\"text-left\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-a758e76\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-f27dbdb\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-c975704\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Tool Type<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-57fb599\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Corner Roundover Diamond Router Bit with Top Bearing (R8 Edge Profiler)<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-36f7752\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-1dd2787\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Body Material<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-9757292\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>High-Tensile Tool Steel Alloy<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-3ce378a\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-4ff8a7a\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Bearing Type<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-a070451\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Sealed High-Speed Top Guide Ball Bearing<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-f56384f\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-926743b\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Shank Diameter (<span class=\"math-inline\" data-math=\"D\" data-index-in-node=\"17\">D<\/span>)<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-76c5400\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>12.7 mm (1\/2 inch)<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-ec30bfa\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-ebe030b\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Cutting Diameter (d)<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-0f1043c\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>30.5 mm<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-877efe8\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-7ffffe5\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Working Height (<span class=\"math-inline\" data-math=\"H\" data-index-in-node=\"16\">H<\/span>)<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-b36bebe\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>11.5 mm<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-8522ded\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-926729c\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Total Overall Length (<span class=\"math-inline\" data-math=\"L\" data-index-in-node=\"22\">L<\/span>)<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-db820b9\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>59.5 mm<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-3f4b7cb\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-91b4393\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Applicable Materials<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-7d823fa\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Engineered Quartz, Granite, Marble, Porcelain Slabs, Sintered Stone, Bluestone<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-4ce2383\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-a9074e0\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Recommended Cooling<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-bf6e0b1\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>Active Water \/ Flood Coolant<\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t<\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p><strong>Dimension Chart:<\/strong><\/p>\n<ul>\n<li>\n<p data-path-to-node=\"4,0,0\"><b data-path-to-node=\"4,0,0\" data-index-in-node=\"0\">R:<\/b> Profile Radius (8<span class=\"math-inline\" data-math=\"3text{ mm}\" data-index-in-node=\"19\">\u00a0mm<\/span> \/ R8)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,1,0\"><b data-path-to-node=\"4,1,0\" data-index-in-node=\"0\">D:<\/b> Shank Diameter (1<span class=\"math-inline\" data-math=\"12.7text{ mm}\" data-index-in-node=\"19\">2.7 mm\/<\/span>\u00a0<span class=\"math-inline\" data-math=\"1\/2text{ inch}\" data-index-in-node=\"36\">1\/2 inch<\/span>)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,2,0\"><b data-path-to-node=\"4,2,0\" data-index-in-node=\"0\">d:<\/b> Outer Head Diameter (30<span class=\"math-inline\" data-math=\"19.5text{ mm}\" data-index-in-node=\"24\">.5 mm<\/span>)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,3,0\"><b data-path-to-node=\"4,3,0\" data-index-in-node=\"0\">H:<\/b> Working \/ Diamond Cutting Height (11.5<span class=\"math-inline\" data-math=\"7.5text{ mm}\" data-index-in-node=\"37\">\u00a0mm<\/span>)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,4,0\"><b data-path-to-node=\"4,4,0\" data-index-in-node=\"0\">L:<\/b> Total Overall Length (<span class=\"math-inline\" data-math=\"55text{ mm}\" data-index-in-node=\"25\">59.5 mm<\/span>)<\/p>\n<\/li>\n<\/ul>\n","protected":false},"featured_media":22176,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[631],"product_cat":[1436,1424,619,1433],"product_tag":[],"class_list":["post-22174","product","type-product","status-publish","has-post-thumbnail","product_brand-tooldocker","product_cat-corner-round-itd","product_cat-cnc-bits","product_cat-diamond-tools","product_cat-stone-profiling-router-bits","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-variable"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WT-JGS Corner Round Diamond Router Bit R8 (30.5 mm Head) \u2013 Vacuum Brazed Edge Roundover Bit with Bearing (1\/2&#039;&#039; Shank) - tooldocker.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:\/\/tooldocker.com\/index.php\/product\/wt-jgs-corner-round-diamond-router-bit-r8-30-5-mm-head-vacuum-brazed-edge-roundover-bit-with-bearing-1-2-shank\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WT-JGS Corner Round Diamond Router Bit R8 (30.5 mm Head) \u2013 Vacuum Brazed Edge Roundover Bit with Bearing (1\/2&#039;&#039; Shank) - tooldocker.com\" \/>\n<meta property=\"og:description\" content=\"Dimension Chart:    R: Profile Radius (8\u00a0mm \/ R8)    D: Shank Diameter (12.7 mm\/\u00a01\/2 inch)    d: Outer Head Diameter (30.5 mm)    H: Working \/ Diamond Cutting Height (11.5\u00a0mm)    L: Total Overall 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