POWERTEC USA
4-Piece Wood Lathe Turning Tool Cutter Insert Set (71830)
Industrial Cutting Performance for the Modern Turner
The POWERTEC 71830 is a high-performance 4-piece set of tungsten carbide replacement inserts, precision-engineered for professional woodturning applications. Designed for use with carbide-tipped turning tools, these inserts eliminate the steep learning curve and constant maintenance associated with traditional HSS chisels. Rather than spending hours at the grinder, these Solid Tungsten Carbide cutters provide a surgical-grade edge that stays sharp up to 20 times longer than steel. When one edge finally dulls, simply loosen the screw and rotate (index) the cutter to a fresh, factory-sharp facet.
This comprehensive mixed set includes the four primary geometries needed for any project: Round for hollowing and sweeping curves, Square for heavy roughing, Square-Radius for finish smoothing, and Diamond for intricate detail and parting. Each insert is ground to a razor edge and micro-polished for a "shear-cut" action that leaves a surface so smooth it requires minimal sanding. Whether you are turning green wood bowls or abrasive acrylic pens, the 71830 set provides the durability and precision required for master-level craftsmanship.
- Solid Tungsten Carbide: Provides extreme hardness (RC 90+) and superior heat resistance compared to HSS.
- Indexable Design: Multiple sharp edges per insert; rotate to a fresh edge instantly without downtime.
- Mixed Geometry Set: Includes Round, Square, Square-Radius, and Diamond profiles for total turning versatility.
- Simplified Learning: Flat-top geometry allows you to turn with the tool held flat on the tool rest—no complex angles.
- Clean Surface Finish: Precision-ground faces minimize grain tear-out on complex figured woods.
Technical Specifications
- Round Insert: 12mm Diameter
- Square Insert: 11mm x 11mm (Standard)
- Square-Radius: 11mm x 11mm (2" Radius Edge)
- Diamond Insert: 10mm x 28mm (Pointed)
- Material: Premium Grade Solid Tungsten Carbide
- Thread Mounting: Countersunk for standard #4 or M4 Screws
Essential Turning Applications
- Bowl & Platter Hollowing
- Spindle Detail Work
- Pen Turning & Small Crafts
- Heavy Roughing Cuts
- Creating V-Grooves
- Beading & Cove Work
- Acrylic & Resin Turning
- Hardwood Log Processing
POWERTEC is a leading manufacturer of high-quality woodworking machinery, tools, and industrial-grade consumables. We are committed to workshop excellence, providing the durable, precision-engineered components that help craftsmen build with showroom-quality accuracy.