Description
Carbitool TDA194-5MB 1/2 — Double Edge Radius Router Bit Radius available at Alltools Geelong. Shop our full Double Edge Radius Router Bit Radius range in Geelong.
Carbitool
TDA194-5 MB 1/2 Double Edge Radius Bit with Ball Bearing — 5mm Radius, 1/2″ Shank
Part No: TDA194-5 MB 1/2 | Barcode: 9314350008700 | Product Group: R670 | Discount Group: Z0904
The Carbitool TDA194-5 MB 1/2 is a 4-flute carbide-tipped double edge radius bit that rounds over the top and bottom edges of timber in a single pass. Fitted with a bearing, spacer, and washers to accommodate stock from 10mm to 30mm thick.
4 Flute
Carbide Tipped
5mm Radius
1/2″ Shank
Ball Bearing Guide
Dual Edge
Suitable For
Hardwood
Softwood
Plywood
Furniture Components
Bench Tops
Table Tops
Key Features & Benefits
- Rounds both edges in one pass — eliminates the need to flip the workpiece, saving significant time on production runs.
- 4-flute carbide-tipped cutters — more cutting edges than 2-flute equivalents means a smoother finish and longer life between sharpenings.
- 5mm radius profile — a versatile, furniture-grade radius suited to bench tops, table edges, shelving, and cabinetry components.
- Ball bearing guide — rides the edge of the workpiece for consistent, template-free depth control.
- Adjustable spacer and washer system — a supplied bearing, spacer, and washer pack lets you dial in the correct cutter separation for stock from 10mm to 30mm thick. See spacing guide in table below.
- 1/2″ shank — requires a 1/2″ collet router; provides the rigidity needed for a stable, chatter-free cut across both edges simultaneously.
When to Use This Bit
Reach for the TDA194-5 MB 1/2 when you need to round over both the top and bottom edges of a board in a single table-router pass. It is particularly valuable in furniture and joinery production where identical edge profiles are required on both faces — bench tops, table rails, shelf nosings, and drawer fronts. The 5mm radius is subtle enough for fine furniture but substantial enough for utility timber work. Use the spacer/washer guide to set the correct cutter gap for your material thickness before routing. For a larger radius option, the TDA194-8 MB 1/2 (8mm) is available in the same series.
Pro Tip: Always set the cutter separation on the bench before mounting in the router. Use the spacing table to select the correct washer combination for your stock thickness, then confirm on a scrap piece before committing to finished material.
Product Specifications
| Part No. | A mm | B mm | C mm | R Radius mm | Shank | Barcode |
|---|---|---|---|---|---|---|
| TDA194-3 MB 1/2 | 28.00 | 32.00 | 97.80 | 3.00 | 1/2″ | 9314350020191 |
| TDA194-5 MB 1/2 ★ | 32.00 | 36.00 | 97.80 | 5.00 | 1/2″ | 9314350008700 |
| TDA194-8 MB 1/2 | 38.00 | 39.00 | 97.80 | 8.00 | 1/2″ | 9314350020245 |
| Wood Thickness | Space Between Cutters |
|---|---|
| 10mm | Nil (no bearing) |
| 19mm | Bearing + 2 Washers |
| 22mm | Bearing + 5 Washers |
| 25mm | Bearing + Spacer |
| 30mm | Bearing + Spacer & 5 Washers |
★ You are viewing the highlighted variant. Other sizes in this series are also available.
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