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Internal Tool Holder PSKNR/L for Efficient Machining

The PSKNR/L boring bar stands out with its 75° cutting angle and internal cooling channels, making it a reliable tool for modern internal machining. It is specifically designed for the use of SN 1204 inserts. The pin lock clamping system provides high stability during operations, making this holder an ideal choice for demanding turning tasks in professional metalworking.

Technical data

Boring Bar PSKNR/L
Cutting Angle 75°
Insert SN.. 1204
Main application Longitudinal turning
Clamping Pin Lock
Cooling With Cooling Hole
Packaging unit 1 Pc.
  • Tool type: Internal tool holder
  • Design: PSKNR/L
  • Cutting angle: 75°
  • Insert compatibility: SN.. 1204
  • Main application: Longitudinal turning
  • Clamping system: Pin Lock
  • Cooling method: With cooling hole
  • Packaging unit: 1 Pc.

Dimensions of Internal Tool Holder PSKNR/L

Item Nr. d L h f Dmin Insert Shim Shim-Spring Lever Lever-Screw
A25R-PSKNR 12 1221143 25 200 24 17 32 SN. 1204.. - - L4A LEM6x13,4A
A25R-PSKNL 12 1221144 25 200 24 17 32 SN. 1204.. - - L4A LEM6x13,4A
A32S-PSKNR 12 1221145 32 250 31 22 44 SN. 1204.. S12APB SP4 L4 LEM8x21
A32S-PSKNL 12 1221146 32 250 31 22 44 SN. 1204.. S12APB SP4 L4 LEM8x21

Applications

This internal tool holder is primarily designed for longitudinal turning and internal facing operations. The 75° cutting angle opens up flexible application possibilities in deep or hard-to-reach bores. The combination of secure clamping and internal cooling makes the tool highly suitable for serial production and machining of components where excellent chip evacuation is required.

Special features

A key feature of the PSKNR/L model is the pin lock clamping system. It secures the indexable insert reliably in the seat and supports fast insert changes with high repeatability. Additionally, the integrated cooling channels direct the coolant straight to the cutting edge, which reduces thermal stress and thereby promotes efficient workflows in professional machining.

1221143

Data sheet

Type of clamping
Pin Lock
Cooling Holes
without cooling holes
Inserts
SN..
Turning
Longitudinal turning

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