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Concave Shank Router Bit (Quarter Round) D=20mm, R5, Z2 – T.C.T. (Carbide) Vatzo
Concave Shank Router Bit (Quarter Round) D=20mm, R5, Z2 – T.C.T. (Carbide) Vatzo
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SKU:V1017.S6.R5
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66,80 RON
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66,80 RON
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Bearing Router Bit for Edge Rounding – T.C.T. Carbide | R5 mm | D20 mm | Z2
Shank router bit with T.C.T. (Carbide) guide bearing, with two active cutting edges (Z2), for rounding edges with a quarter-round R5 mm profile. The bearing mounted at the tip faithfully follows the contour of the material — without guide rails, directly on the edge of the workpiece, including curved shapes, round tables, or irregular countertops. Available with Ø6 mm or Ø8 mm shank — select from the menu.
| Profile Radius (R) | Profile Radius (R)R5 mm – perfectly calibrated quarter round |
| Cutting Diameter (D) | Cutting Diameter (D)20 mm |
| Working Depth (Lc) | Working Depth (Lc)10 mm |
| Overall Length (L) | Overall Length (L)49 mm |
| Shank Diameter (S) | Shank Diameter (S)Ø6 mm or Ø8 mm – select from menu |
| Number of Cutters | Number of CuttersZ2 – two symmetrical cutting edges, perfect dynamic balance |
| Cutting Edge Material | Cutting Edge MaterialT.C.T. Carbide (high-density carbide) |
| Guiding System | Guiding SystemInterchangeable precision bearing mounted at the tip |
| Machine Compatibility | Machine CompatibilityHand-held router or fixed router table with Ø6 mm or Ø8 mm collet |
✨ CONSTRUCTION ADVANTAGES:
- Guide Bearing – No Auxiliary Guides: 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.
- T.C.T. Carbide – No Burning: Carbide inserts ensure clean cutting without tearing and resist abrasive wear excellently on chipboard, MDF, plastic, and solid wood.
- Profile with or without Step: By setting the router bit depth 0.5–1 mm deeper than the board surface, a small aesthetic step above the radius is created — a classic cornice appearance.
- Symmetrical Z2 – Minimal Vibrations: The two balanced cutting edges eliminate idle vibrations and protect the router's bearings.
- Interchangeable Bearing: Can be replaced separately when worn, without changing the router bit.
📊 MATERIAL COMPATIBILITY
Soft Solid Wood (Spruce, Fir, Pine, Linden) 100%
Excellent: clean rounding, no tearing, smooth edge directly ready for varnishing.
Chipboard / MDF / HDF / Plywood 100%
Excellent: carbide resists abrasive synthetic binders in derived panels.
Hard Solid Wood (Oak, Beech, Ash) 90%
Very good: we recommend two passes — a fast one for the bulk of the material, a fine one for a mirror finish.
Technical Plastics 85%
Good: lower speed recommended to avoid melting the plastic.
🛠️ ADJUSTMENT AND OPERATION TIPS:
- Simple rounding vs. stepped profile: For simple rounding, align the top edge of the cutter with the board surface. For a decorative stepped profile, lower the router bit by 0.5–1 mm — achieving a classic cornice look.
- Two passes on hardwoods: For oak, beech, or ash, do not force in a single slow pass (risk of scorching). The first quick pass removes the bulk of the material, the second fine pass gives a mirror finish.
- Bearing maintenance: After working on resinous wood (pine, spruce) 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.
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