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High-Performance Internal Tool Holder PSKNR/L for Boring Operations

The PSKNR/L boring bar with a 75° cutting angle is engineered for professional internal machining. Combining a robust design with a reliable pin lock clamping system, this tool holder creates excellent conditions for stable turning processes. Designed to accommodate SN.. 1204 inserts, it supports efficient workflows in manufacturing environments where internal coolant supply is not required.

Technical data

  • Boring Bar: PSKNR/L
  • Cutting Angle: 75°
  • Insert: SN.. 1204
  • Main application: Longitudinal turning
  • Clamping: Pin Lock
  • Cooling: Without Cooling Hole
  • Packaging unit: 1 Pc.
Boring Bar PSKNR/L
Cutting Angle 75°
Insert SN.. 1204
Main application Longitudinal turning
Clamping Pin Lock
Cooling Without Cooling Hole
Packaging unit 1 Pc.

Dimensions of Internal Tool Holder - PSKNR/L (75°)

Art. Nr. d L h f Dmin Insert Shim Shim-Spring Lever Lever-Screw
S25Q-PSKNR 12 1221131 25 180 23 17 32 SN. 1204.. - - L4A LEM6x13,4A
S25Q-PSKNL 12 1221132 25 180 23 17 32 SN. 1204.. - - L4A LEM6x13,4A
S25T-PSKNR 12 1221133 25 300 23 17 32 SN. 1204.. - - L4A LEM6x13,4A
S25T-PSKNL 12 1221134 25 300 23 17 32 SN. 1204.. - - L4A LEM6x13,4A
S32R-PSKNR 12 1221135 32 200 30 22 44 SN. 1204.. S12APB SP4 L4 LEM8x21
S32R-PSKNL 12 1221136 32 200 30 22 44 SN. 1204.. S12APB SP4 L4 LEM8x21
S32U-PSKNR 12 1221137 32 350 30 22 44 SN. 1204.. S12APB SP4 L4 LEM8x21
S32U-PSKNL 12 1221138 32 350 30 22 44 SN. 1204.. S12APB SP4 L4 LEM8x21
S40S-PSKNR 12 1221139 40 250 37 27 54 SN. 1204.. S12APB SP4 L4 LEM8x21
S40S-PSKNL 12 1221140 40 250 37 27 54 SN. 1204.. S12APB SP4 L4 LEM8x21
S40V-PSKNR 12 1221141 40 400 37 27 54 SN. 1204.. S12APB SP4 L4 LEM8x21
S40V-PSKNL 12 1221142 40 400 37 27 54 SN. 1204.. S12APB SP4 L4 LEM8x21

Applications

This boring bar opens up flexible possibilities for internal machining and profiling. Thanks to the 75-degree angle, various operations including longitudinal turning can be executed efficiently. The holder is particularly suitable for turning centers and conventional machines utilizing external cooling or operating under dry machining conditions.

Special features

The tool convinces with a sturdy pin lock design that securely fastens the cutting insert and promotes process-safe machining. The absence of internal cooling channels simplifies the setup, making this holder an economical choice for standard operations. Available in extended tool lengths of up to 400 mm, it effectively reaches deep bores.

1221131

Data sheet

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

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