Tools for Internal Boring Today’s modern boring operations require the most reliable, high-performance tools. WIDIA™ offers an extensive range of toolholders for internal boring to meet the most precise production demands.
Internal boring bars provide consistent results and enhanced production reliability. 
 D-Style Clamping S-Style Clamping • Used for negative style inserts.
  • Screw clamping system for positive indexable inserts.  • Clamp assembly contains clamp, screw, • Compact design for high reliability and cost efficiency.  and retaining ring.
  • Carbide shim for additional tool protection.  • Quick insert indexing.
  • Ensures insert repeatability and seating.  C-Style Clamping • Reduced chatter and extended tool life.  • Height-adjustable clamp permits use of additional chipbreakers.  P-Style Clamping • Universal clamping system for positive and negative • Lever-type clamping system for negative flat top inserts.   indexable inserts.  • Robust engineering makes it easy to handle.  • No interference to chip flow.  • Carbide shim for extra tool protection.  • Fast insert changes.  P-style available in metric sizes only. Victory™ Insert FP Victory Insert MP Victory Insert FF Geometry Geometry Geometry For finishing to medium turning For medium to rough turning with For finish turning, producing smooth, operations with optimal chip control reduced cutting forces and improved accurate surfaces. Very good chip over a wide range of cutting conditions chip control for high feed rates. control, especially at low depths and workpiece materials. Suitable for high metal removal rates of cut. and spindling applications. E72 widia.com