{"product_id":"freza-coada-concav-sfert-cerc-d18-s6-r4","title":"Concave Shank Router Bit (Quarter Round) - R4 | Z2 – T.C.T. Carbide","description":"\u003cstyle\u003e\n  .tabel-container {\n    width: 100%;\n    overflow-x: auto;\n    margin: 15px 0;\n    -webkit-overflow-scrolling: touch;\n  }\n  .tabel-specificatii {\n    width: 100%;\n    border-collapse: collapse;\n    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;\n    font-size: 14px;\n    color: #333;\n    background-color: #fff;\n    margin-bottom: 15px;\n    border: 1px solid #ced4da;\n  }\n  .tabel-specificatii tr { border-bottom: 1px solid #eee; }\n  .tabel-specificatii tr:nth-child(even) { background-color: #fdfdfd; }\n  .tabel-specificatii tr:last-child { border-bottom: none; }\n  .tabel-specificatii td { padding: 12px 15px; vertical-align: middle; }\n  .tabel-specificatii td.eticheta-desktop {\n    font-weight: bold; color: #495057; width: 35%; text-align: left;\n    background-color: #f8f9fa; border-right: 1px solid #eee; display: table-cell;\n  }\n  .tabel-specificatii td.valoare-specificatie { text-align: left; width: 65%; display: table-cell; }\n  .eticheta-mobil { display: none; }\n  @media screen and (max-width: 767px) {\n    .tabel-specificatii, .tabel-specificatii tbody,\n    .tabel-specificatii tr, .tabel-specificatii td {\n      display: block; width: 100% !important; box-sizing: border-box;\n    }\n    .tabel-specificatii tr {\n      margin-bottom: 15px; border: 1px solid #ced4da; border-radius: 4px;\n      box-shadow: 0 1px 3px rgba(0,0,0,0.05); background: #fdfdfd;\n    }\n    .tabel-specificatii td.eticheta-desktop { display: none !important; }\n    .tabel-specificatii td.valoare-specificatie {\n      border: none; padding: 12px !important; text-align: left !important; width: 100% !important;\n    }\n    .eticheta-mobil {\n      display: block; font-weight: bold; color: #495057; font-size: 11px;\n      text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 6px;\n    }\n  }\n  .zona-verde {\n    background-color: #ebf5fb; border-left: 5px solid #27ae60; padding: 15px;\n    margin: 15px 0; font-family: 'Segoe UI', sans-serif; font-size: 14px; border-radius: 0 4px 4px 0;\n  }\n  .zona-rosie {\n    background-color: #fdf2f2; border-left: 5px solid #e74c3c; padding: 15px;\n    margin: 15px 0; font-family: 'Segoe UI', sans-serif; font-size: 14px;\n    border-radius: 0 4px 4px 0; color: #2c3e50;\n  }\n  .zona-compatibilitate {\n    background-color: #fffde7; border-left: 5px solid #f1c40f; padding: 15px;\n    margin: 15px 0; font-family: 'Segoe UI', sans-serif; font-size: 14px; border-radius: 0 4px 4px 0;\n  }\n  .compat-item { margin-bottom: 16px; }\n  .compat-item:last-child { margin-bottom: 0; }\n  .compat-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 5px; font-size: 14px; }\n  .compat-material { font-weight: bold; color: #2c3e50; }\n  .compat-material small { font-weight: normal; color: #7f8c8d; }\n  .compat-percent { font-weight: bold; font-size: 13px; white-space: nowrap; padding-left: 10px; }\n  .compat-bar-bg { width: 100%; height: 10px; background-color: #eaeaea; border-radius: 5px; overflow: hidden; }\n  .compat-bar { height: 100%; border-radius: 5px; }\n  .compat-note { font-size: 12.5px; color: #555; margin-top: 5px; }\n  .zona-siguranta {\n    background-color: #f4f5f7; border-left: 5px solid #5d6d7e; padding: 15px;\n    margin: 15px 0; font-family: 'Segoe UI', sans-serif; font-size: 14px;\n    border-radius: 0 4px 4px 0; color: #2c3e50;\n  }\n\u003c\/style\u003e\n\n\u003ch2 style=\"text-align: center; font-weight: bold; text-transform: uppercase; color: #117a65; letter-spacing: 0.5px; margin-bottom: 20px;\"\u003eRound Over Router Bit with Bearing – T.C.T. Carbide | R4 mm | D18 mm | Z2\u003c\/h2\u003e\n\n\u003cp style=\"font-family: 'Segoe UI', sans-serif; font-size: 15px; color: #333; line-height: 1.5;\"\u003eRouter bit with shank and T.C.T. (Carbide) guide bearing, with \u003cstrong\u003etwo active cutting edges (Z2)\u003c\/strong\u003e, for rounding over edges with an R4 mm quarter-circle profile. The top-mounted bearing faithfully follows the contour of the material — no guide rails needed, directly on the edge of the workpiece, including curved shapes, round tables, or irregular countertops. Available with a shank of \u003cstrong\u003eØ6 mm\u003c\/strong\u003e or \u003cstrong\u003eØ8 mm\u003c\/strong\u003e — select from the menu.\u003c\/p\u003e\n\n\u003cdiv class=\"tabel-container\"\u003e\n\n\u003ctable class=\"tabel-specificatii\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eProfile Radius (R)\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\" style=\"font-weight: bold; color: #1a5276;\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eProfile Radius (R)\u003c\/span\u003eR4 mm – perfectly calibrated quarter-circle\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eCutting Diameter (D)\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\" style=\"font-weight: bold; color: #117a65;\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eCutting Diameter (D)\u003c\/span\u003e18 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eWorking Depth (Lc)\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eWorking Depth (Lc)\u003c\/span\u003e8 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eTotal Length (L)\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eTotal Length (L)\u003c\/span\u003e49 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eShank Diameter (S)\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\" style=\"font-weight: bold; color: #1a5276;\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eShank Diameter (S)\u003c\/span\u003eØ6 mm or Ø8 mm – select from menu\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eNumber of Cutting Edges\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eNumber of Cutting Edges\u003c\/span\u003eZ2 – two symmetrical cutting edges, perfect dynamic balance\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eBlade Material\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eBlade Material\u003c\/span\u003eT.C.T. Carbide (high-density metallic carbide)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eGuiding System\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eGuiding System\u003c\/span\u003eInterchangeable precision bearing mounted at the tip\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd class=\"eticheta-desktop\"\u003eMachine Compatibility\u003c\/td\u003e\n\n\u003ctd class=\"valoare-specificatie\"\u003e\n\n\u003cspan class=\"eticheta-mobil\"\u003eMachine Compatibility\u003c\/span\u003eHandheld router or fixed router table with Ø6 mm or Ø8 mm collet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"zona-verde\"\u003e\n\n  \u003ch4 style=\"margin-top: 0; color: #27ae60; font-weight: bold; text-transform: uppercase; margin-bottom: 10px;\"\u003e✨ CONSTRUCTION ADVANTAGES:\u003c\/h4\u003e\n\n  \u003cul\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eGuide Bearing – No Auxiliary Guides:\u003c\/strong\u003e the bearing faithfully follows the contour of the workpiece, including curved shapes, round tables, countertops, or arches — impossible to achieve with a standard parallel guide.\u003c\/li\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eT.C.T. Carbide – No Burning:\u003c\/strong\u003e carbide inserts ensure clean chip removal without tear-out and excellent resistance to abrasive wear on particleboard, MDF, plastic, and solid wood.\u003c\/li\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eProfile with or without Step:\u003c\/strong\u003e by adjusting the router bit depth 0.5–1 mm deeper than the board's surface, a small aesthetic step above the radius is achieved — a classic cornice look.\u003c\/li\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eSymmetrical Z2 – Minimum Vibrations:\u003c\/strong\u003e the two balanced cutting edges eliminate idle vibrations and protect the router's bearings.\u003c\/li\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eInterchangeable Bearing:\u003c\/strong\u003e can be replaced separately when worn, without changing the router bit.\u003c\/li\u003e\n\n  \u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"zona-compatibilitate\"\u003e\n\n  \u003ch4 style=\"margin-top: 0; color: #b7950b; font-weight: bold; text-transform: uppercase; margin-bottom: 12px;\"\u003e📊 MATERIAL COMPATIBILITY\u003c\/h4\u003e\n\n\n  \u003cdiv class=\"compat-item\"\u003e\n\n    \u003cdiv class=\"compat-header\"\u003e\n\n      \u003cspan class=\"compat-material\"\u003eSoft Solid Wood \u003csmall\u003e(Spruce, Fir, Pine, Linden)\u003c\/small\u003e\u003c\/span\u003e\n      \u003cspan class=\"compat-percent\" style=\"color: #27ae60;\"\u003e100%\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"compat-bar-bg\"\u003e\u003cdiv class=\"compat-bar\" style=\"width: 100%; background-color: #27ae60;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n    \u003cdiv class=\"compat-note\"\u003eExcellent: clean rounding, no tear-out, smooth edge ready for varnishing.\u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003cdiv class=\"compat-item\"\u003e\n\n    \u003cdiv class=\"compat-header\"\u003e\n\n      \u003cspan class=\"compat-material\"\u003eParticleboard \/ MDF \/ HDF \/ Plywood\u003c\/span\u003e\n      \u003cspan class=\"compat-percent\" style=\"color: #27ae60;\"\u003e100%\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"compat-bar-bg\"\u003e\u003cdiv class=\"compat-bar\" style=\"width: 100%; background-color: #27ae60;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n    \u003cdiv class=\"compat-note\"\u003eExcellent: carbide resists abrasive synthetic binders in wood-based panels.\u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003cdiv class=\"compat-item\"\u003e\n\n    \u003cdiv class=\"compat-header\"\u003e\n\n      \u003cspan class=\"compat-material\"\u003eHard Solid Wood \u003csmall\u003e(Oak, Beech, Ash)\u003c\/small\u003e\u003c\/span\u003e\n      \u003cspan class=\"compat-percent\" style=\"color: #2e86c1;\"\u003e90%\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"compat-bar-bg\"\u003e\u003cdiv class=\"compat-bar\" style=\"width: 90%; background-color: #2e86c1;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n    \u003cdiv class=\"compat-note\"\u003eVery good: we recommend two passes — one quick for the bulk of the material, one fine for a mirror finish.\u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003cdiv class=\"compat-item\"\u003e\n\n    \u003cdiv class=\"compat-header\"\u003e\n\n      \u003cspan class=\"compat-material\"\u003eTechnical Plastics\u003c\/span\u003e\n      \u003cspan class=\"compat-percent\" style=\"color: #2e86c1;\"\u003e85%\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"compat-bar-bg\"\u003e\u003cdiv class=\"compat-bar\" style=\"width: 85%; background-color: #2e86c1;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n    \u003cdiv class=\"compat-note\"\u003eGood: lower speed recommended to avoid melting plastic.\u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"zona-siguranta\"\u003e\n\n  \u003ch4 style=\"margin-top: 0; color: #5d6d7e; font-weight: bold; text-transform: uppercase; margin-bottom: 10px;\"\u003e🛠️ ADJUSTMENT AND OPERATION TIPS:\u003c\/h4\u003e\n\n  \u003cul\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eSimple rounding vs. profile with step:\u003c\/strong\u003e for simple rounding, align the top edge of the cutting blade with the board's surface. For a decorative profile with a step, lower the router bit by 0.5–1 mm — achieving a classic cornice look.\u003c\/li\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eTwo passes on hardwoods:\u003c\/strong\u003e for oak, beech, or ash, do not force a single slow pass (risk of scorching). The first quick pass removes the bulk of the material, the second fine pass provides a mirror finish.\u003c\/li\u003e\n\n    \u003cli\u003e\n\n\u003cstrong\u003eBearing maintenance:\u003c\/strong\u003e after working on resinous wood (pine, fir) or MDF, clean the bearing of resin deposits with a degreasing spray and apply a drop of fine oil — ensure free rotation without friction marks on the edge.\u003c\/li\u003e\n\n  \u003c\/ul\u003e\n\n\n\u003c\/div\u003e","brand":"Vatzo","offers":[{"title":"6 mm","offer_id":57654377087321,"sku":"V1017.S6.R4","price":15.95,"currency_code":"EUR","in_stock":true},{"title":"8 mm","offer_id":57654377120089,"sku":"V1017.S8.R4","price":15.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/9309\/5257\/files\/Frez_cu_Coad_Concav_Sfert_de_Cerc_D_18mm_S_6mm_R_4_Z2_T.C.T._Vidia.jpg?v=1774438252","url":"https:\/\/solgrat.com\/en-eu\/products\/freza-coada-concav-sfert-cerc-d18-s6-r4","provider":"SolGrat","version":"1.0","type":"link"}