Ceradex S12M-SVPBR11-20E Boring Bar – Internal Turning Toolholder

The Ceradex S12M-SVPBR11-20E boring bar is a precision internal turning toolholder designed for stable and accurate machining of internal diameters on CNC and conventional lathes. Engineered from high-strength steel, this toolholder provides excellent rigidity and vibration resistance, allowing machinists to achieve consistent cutting performance during internal turning, profiling, and finishing operations.

The SVPBR style holder is designed to securely clamp size 11 turning inserts, ensuring precise insert positioning and reliable cutting performance. Its compact cylindrical shank allows access into smaller bores while maintaining stability, making it ideal for precision internal machining where accuracy and surface finish are critical.

Key Features & Benefits

• Precision boring bar for internal turning applications
• Compatible with size 11 turning inserts
• SVPBR holder style for secure insert positioning
• Rigid steel construction for improved machining stability
• Designed for internal profiling, boring, and finishing
• Compact design suitable for smaller bore diameters
• Reliable performance for CNC and manual lathe machining

Technical Specifications

• Brand: Ceradex
• Model: S12M-SVPBR11-20E
• Item Number: THC07420
• Product Type: Internal Turning Toolholder / Boring Bar
• Holder Style: SVPBR
• Insert Size: 11
• Shank Diameter: 12 mm
• Minimum Bore Diameter: 20 mm
• Hand: Right Hand
• Material: Steel

Ceradex cutting tools are designed for dependable performance in general machining and production environments. Their boring bars and internal turning toolholders deliver strong clamping stability, precision machining capability, and consistent results across a wide range of metalworking applications.