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Buy S20R-SVZCR11 CNC Internal Boring Bar Tool Holder | Precision Engineering
Buy S20R-SVZCL11 CNC Internal Boring Bar Tool Holder | Precision Engineering
BEYOND SVZCR/SVZCL Series Screw-On Internal Finishing & Profiling Boring Bars
Achieve exceptional surface finishes and precise internal geometries with the BEYOND SVZCR and SVZCL series. These boring bars utilize a reliable screw-on S-type clamp mechanism, making them the ideal choice for internal finishing, profiling, and light semi-roughing operations on your CNC lathe.
Series Overview & Features
This series combines the accessibility of small shank sizes with the secure clamping of an S-type system, offering precision for a wide range of internal boring tasks.
- Screw-On S-Type Clamp Mechanism: Provides a secure and straightforward method for clamping V-type (profiling) inserts. The top-clamp design offers excellent chip flow and visibility of the cutting edge.
- Dedicated Right & Left Hand Models: The SVZCR series is for standard Right-Hand operations, while the SVZCL series is for Left-Hand operations, ensuring optimal cutting geometry and chip control in any direction.
- Versatile Shank Sizes: Covers popular shank sizes from 16mm (S16Q) to 25mm (S25S), suitable for most small to medium-sized CNC lathes and machining centers.
- Multiple Insert Size Options: The "11" and "16" in the model number (e.g., SVZCR11 vs. SVZCR16) indicate compatibility with different insert sizes, allowing you to choose the perfect tool for your specific depth of cut and finish requirements.
- Precision for Finishing: The rigid design and precise insert seating minimize deflection, which is critical for achieving tight tolerances and superior surface finishes in internal bores.
Product Series Specifications
Select the correct tool holder based on your machine's capacity, the required operation, and the insert size needed for your application.
| Model | Shank Size (ISO Code) | Shank Dimensions (Approx.) | Hand | Clamp Type | Insert Size Code | Ideal Application |
|---|---|---|---|---|---|---|
| S16Q-SVZCR11 / SVZCL11 | S16Q | 16mm x 16mm | Right / Left | S-Type Screw-On | 11 | Internal finishing in small bores on benchtop or mini-lathes. |
| S20R-SVZCR11 / SVZCL11 | S20R | 20mm x 20mm | Right / Left | S-Type Screw-On | 11 | General purpose internal finishing and profiling. |
| S25S-SVZCR11 | S25S | 25mm x 25mm | Right | S-Type Screw-On | 11 | Finishing and light roughing with a smaller insert for finer details. |
| S25S-SVZCR16 | S25S | 25mm x 25mm | Right | S-Type Screw-On | 16 | More robust finishing and semi-roughing with a larger, stronger insert. |
Note: The number following "SVZCR/CL" (e.g., 11, 16) denotes the insert size classification. A larger number typically accommodates a larger insert, allowing for a greater depth of cut.
Applications & Technical Guidance
- Primary Work Materials: Carbon Steel, Alloy Steel, Stainless Steel, Cast Iron, and Aluminum.
- Common Operations: Internal Finishing, Profiling, Taper Boring, Light Semi-Roughing, and Contouring.
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How to Choose:
- Shank Size: Choose the largest shank that fits your machine's turret to maximize rigidity. A 25mm shank (S25S) is generally preferred for its stability.
- Hand of Cut (SVZCR vs. SVZCL): Select based on the tool path direction. SVZCR for standard operations; SVZCL for reverse operations.
- Insert Size (11 vs. 16): For fine finishing and smaller depths of cut, choose the "11" series. For more material removal, better edge strength, or longer reach, the "16" series is recommended.
Why Choose BEYOND SVZCR/SVZCL Boring Bars?
- Excellent Chip Flow: The top-clamp S-type design allows chips to evacuate freely, reducing the risk of re-cutting and protecting the finish.
- Superior Surface Finish: The combination of rigidity and precise insert positioning is ideal for achieving fine surface finishes in internal bores.
- Ease of Use: The simple screw-on clamp makes insert changes quick and easy, reducing downtime.
- Cost-Effective Performance: BEYOND offers the precision and reliability needed for professional results at a competitive price point.