Typically made of high-strength alloy steel or carbide, its structure includes an insert pocket, clamping mechanism (e.g., screws, lever-type), and a tool shank. Common types include external turning holders, internal boring holders, parting-off holders, and threading holders, tailored for diverse machining scenarios.
- High Rigidity Design: Optimized cross-sectional geometry minimizes vibration and enhances cutting stability.
- Precise Positioning: The insert pocket aligns strictly with the tool shank axis to ensure dimensional accuracy.
- Quick Tool Change: Modular design enables rapid insert replacement, reducing downtime.
- Wear Resistance: Surface coatings or specialized treatments extend service life.



| h | b | L | L1 | h1 | f | ||||
| SCLCR/L0808D06 | CC□□0602□□ | 08 | 08 | 80 | 10 | 08 | 10 | M2.5×6 | T8 |
| SCLCR/L1010E06 | 10 | 10 | 100 | 12 | 10 | 10 | |||
| SCLCR/L1212F09 | CC□□09T3□□ | 12 | 12 | 100 | 16 | 12 | 16 | M4×8 | T15 |
| SCLCR/L1616H09 | 16 | 16 | 100 | 20 | 16 | 16 | |||
| SCLCR/L2020K09 | 20 | 20 | 125 | 25 | 20 | 20 | |||
| SCLCR/L2525M09 | 25 | 25 | 150 | 32 | 25 | 25 | |||
| SCLCR/L2020K12 | CC□□1204□□ | 20 | 20 | 125 | 25 | 20 | 25 | M5×12 | T20 |
| SCLCR/L2525M12 | 25 | 25 | 150 | 32 | 25 | 32 | |||

- Improved Machining Quality: High rigidity reduces surface waviness and dimensional deviations.
- Enhanced Efficiency: Quick-change design shortens auxiliary time, supporting continuous production.
- Cost Reduction: Reusable tool shanks with replaceable inserts lower overall costs.
- Versatility: Multiple specifications and angle configurations accommodate complex profile machining.
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