Kyocera S20X-STUPL11-25E Internal Boring Bar
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The Kyocera S20X-STUPL11-25E is a precision internal boring bar designed for internal turning, profiling, and finishing operations in CNC and conventional lathe applications. Manufactured from high-strength alloy steel, this toolholder provides excellent rigidity and vibration resistance, helping maintain dimensional accuracy and stable cutting performance when machining internal diameters.
Featuring the STUPL holder style, this boring bar securely clamps size 11 indexable carbide inserts, ensuring precise insert positioning and consistent machining results. The rigid cylindrical shank design allows access to deeper bores while maintaining cutting stability, making it suitable for general machining, maintenance work, and production turning environments where reliable internal machining is required.
Key Features & Benefits
- Precision internal boring bar for boring, profiling, and finishing operations
- STUPL holder style compatible with size 11 indexable inserts
- Rigid steel shank design for improved stability during internal machining
- Secure insert clamping for consistent cutting performance
- Designed to reduce vibration and improve surface finish
- Suitable for CNC and manual lathe operations
- Ideal for medium-diameter internal turning applications
Technical Specifications
- Brand: Kyocera
- Model: S20X-STUPL11-25E
- Item Number: THC06450
- Product Type: Internal Turning Toolholder / Boring Bar
- Holder Style: STUPL
- Insert Size: 11
- Shank Diameter: 20 mm
- Minimum Bore Diameter: 25 mm
- Hand: Left Hand
- Material: Steel
Kyocera cutting tools are widely recognised in the machining industry for their precision engineering and durability. Their boring bars and turning toolholders are designed to provide excellent rigidity, chip evacuation, and vibration resistance, helping machinists achieve accurate internal machining and improved surface finishes in demanding production environments.