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High-performance fastening for modern clamping systems

The lever screw SLV4 M8x21 has been specifically developed for use in professional turning tools that operate with a knee lever clamping system. It acts as the decisive link between the tool holder and the clamping mechanism. Thanks to the accurately fitting M8x21 thread and the robust drive, it provides excellent holding force, which is essential for the vibration-free fixation of the indexable insert. This spare part is easy to replace and quickly restores the full functionality of damaged or worn tool holders.

Technical data

  • Designation: Lever screw SLV4 M8x21
  • Thread dimensions: M8x21
  • Drive size: Hex key SW 3
  • Application: Suitable for knee lever tool holders
  • Packaging unit: 1 piece

Applications

This fastening component is primarily used in metalworking and industrial machine construction. It serves for the secure maintenance and equipping of turning tools based on knee lever clamping. Due to its exact fit, the screw is optimally suited for daily use in CNC lathes, where stable clamping conditions are required for precise machining results.

Special features

The design with an SW3 hex socket allows for comfortable operation combined with strong power transmission. This supports fast changing cycles of the indexable inserts. The resistant material quality of the lever screw is engineered to guarantee a secure hold over the long term, even with regular clamping operations and under the demanding conditions of machining.

SM53120

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