{"id":22300,"date":"2026-09-01T16:50:47","date_gmt":"2026-09-01T07:20:47","guid":{"rendered":"https:\/\/tooldocker.com\/?post_type=product&#038;p=22300"},"modified":"2026-09-02T16:43:05","modified_gmt":"2026-09-02T07:13:05","slug":"wt-jgs-half-round-diamond-router-bit-18-20mm-cut-height-vacuum-brazed-full-bullnose-stone-edge-profiling-bit-1-2-shank","status":"publish","type":"product","link":"https:\/\/tooldocker.com\/index.php\/product\/wt-jgs-half-round-diamond-router-bit-18-20mm-cut-height-vacuum-brazed-full-bullnose-stone-edge-profiling-bit-1-2-shank\/","title":{"rendered":"WT-JGS Half Round Diamond Router Bit 18 (20mm Cut Height) \u2013 Vacuum Brazed Full Bullnose Stone Edge Profiling Bit (1\/2&#8221; Shank)"},"content":{"rendered":"\t\t<div data-elementor-type=\"product-post\" data-elementor-id=\"22300\" class=\"elementor elementor-22300\" 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=\"16,0\" data-index-in-node=\"4\">ToolDocker WT-JGS Half Round Diamond Router Bit (No. 18)<\/b> is an industrial vacuum-brazed edge shaping tool designed for milling full half-round (full bullnose) profiles on 20 mm (2 cm)\u00a0slabs of engineered quartz, granite, marble, sintered stone, and porcelain. Designed with top and bottom shoulder flanges to stabilize edge tracking, it shapes smooth, symmetrical rounded borders on countertops, stair nosings, and vanity edges with minimal secondary hand polishing.<\/p><h3 style=\"text-align: left;\" data-path-to-node=\"3\">Key Features<\/h3><ul><li><p data-path-to-node=\"14,0,0\"><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">Full Half-Round \/ Bullnose Profile:<\/b> Shapes a full convex semicircular edge on <span class=\"math-inline\" data-math=\"20\\text{ mm}\" data-index-in-node=\"78\">20 mm<\/span>\u00a0(<span class=\"math-inline\" data-math=\"2\\text{cm}\" data-index-in-node=\"92\">2 cm<\/span>) stone slabs in a single operation.<\/p><\/li><li><p data-path-to-node=\"14,1,0\"><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">Integrated Top &amp; Bottom Guide Flanges:<\/b> Features a <span class=\"math-inline\" data-math=\"25.5\\text{ mm}\" data-index-in-node=\"50\">25.5 mm<\/span>\u00a0upper disc that rides along the top face to maintain consistent depth and prevent over-cutting.<\/p><\/li><li><p data-path-to-node=\"14,2,0\"><b data-path-to-node=\"14,2,0\" data-index-in-node=\"0\">Vacuum-Brazed Diamond Bond:<\/b> High-concentration coarse industrial diamond matrix delivers rapid stock removal with minimal chipping.<\/p><\/li><li><p data-path-to-node=\"14,3,0\"><b data-path-to-node=\"14,3,0\" data-index-in-node=\"0\">Heavy-Duty <span class=\"math-inline\" data-math=\"1\/2\\text{''}\" data-index-in-node=\"11\">1\/2<\/span>\u00a0(<span class=\"math-inline\" data-math=\"12.7\\text{ mm}\" data-index-in-node=\"25\">12.7 mm<\/span>) Shank:<\/b> Delivers rigid, vibration-free stability on CNC routers and portable stone profiling machines.<\/p><\/li><li><p data-path-to-node=\"14,4,0\"><b data-path-to-node=\"14,4,0\" data-index-in-node=\"0\">Mandatory Wet Operation:<\/b> Use with flood coolant or active water mist to prevent diamond glazing and thermal stress.<\/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>Half Round \/ Full Bullnose Diamond Router Bit<\/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 Hardened Tool Steel<\/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>Top Flange Diameter (<span class=\"math-inline\" data-math=\"d^1\" data-index-in-node=\"21\">d1<\/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-0f1043c\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>25.5 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>Waist \/ Center Diameter (<span class=\"math-inline\" data-math=\"d^2\" data-index-in-node=\"25\">d2<\/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>12 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>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-db820b9\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p><span class=\"math-inline\" data-math=\"20\\text{ mm}\" data-index-in-node=\"0\">20 mm<\/span>\u00a0(Optimized for <span class=\"math-inline\" data-math=\"20\\text{ mm}\" data-index-in-node=\"28\">20 mm\/ <\/span><span class=\"math-inline\" data-math=\"2\\text{cm}\" data-index-in-node=\"43\">2 cm <\/span>slabs)<\/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-938eaa7\">\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-5716687\" 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-054355f\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t<p>55 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 \/ Continuous 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\">D:<\/b> Shank Diameter (<span class=\"math-inline\" data-math=\"12.7text{ mm}\" data-index-in-node=\"19\">12.7 mm<\/span>\/<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=\"4,1,0\"><b data-path-to-node=\"4,1,0\" data-index-in-node=\"0\">d1:<\/b> Top Flange \/ Guide Disc Diameter (<span class=\"math-inline\" data-math=\"25.5text{ mm}\" data-index-in-node=\"38\">25.5 mm<\/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\">d2:<\/b> Concave Waist \/ Center Neck Diameter (<span class=\"math-inline\" data-math=\"12text{ mm}\" data-index-in-node=\"42\">12 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 Profile Height (<span class=\"math-inline\" data-math=\"20text{ mm}\" data-index-in-node=\"45\">20 mm<\/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=\"60text{ mm}\" data-index-in-node=\"25\">60 mm<\/span>)<\/p>\n<\/li>\n<\/ul>\n","protected":false},"featured_media":22291,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[631],"product_cat":[1424,619,1440,1433],"product_tag":[],"class_list":["post-22300","product","type-product","status-publish","has-post-thumbnail","product_brand-tooldocker","product_cat-cnc-bits","product_cat-diamond-tools","product_cat-half-round","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 Half Round Diamond Router Bit 18 (20mm Cut Height) \u2013 Vacuum Brazed Full Bullnose Stone Edge Profiling Bit (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\" 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