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Professional SVQBR/L Boring Bar for Internal Machining

The Internal Tool Holder - SVQBR/L (107,5°) by SMOXH is a specialized cutting tool designed for demanding profiling tasks within bores. Combining a defined 107.5° cutting angle with a precise seat for VBMT indexable inserts (VB.. 1103... and 1604...), this holding system provides excellent flexibility for internal contouring. The reliable screw clamping mechanism firmly secures the insert, supporting efficient workflows through quick insert changes and high repeatability. Featuring a solid body design without internal cooling holes, this boring bar proves to be highly robust and low-maintenance in daily industrial use.

Technical data

  • Tool type: Internal turning tool holder (Boring bar)
  • Model code: SVQBR/L
  • Cutting angle: 107.5°
  • Compatible inserts: VBMT 1103... / 1604...
  • Clamping system: Screw clamping
  • Coolant supply: Without cooling holes
  • Main application: Profile turning
  • Packaging unit: 1 Pc.
Boring Bar SVQBR/L
Cutting Angle 107,5°
Insert VBMT 1103.../1604...
Main application Profiling
Clamping Screw Clamping
Cooling Without Cooling Holes
Packaging unit 1 Pc.

Dimensions of Internal Tool Holder - SVQBR/L (107,5°)

Art. Nr. d h L f Dmin Insert Screw Shim Shim -Screw
S16P SVQBR-11 SM08304 16 15 170 13 ≥21 VBMT 1103... SSV M2,5x6
S16P SVQBL-11 SM08366 16 15 170 13 ≥21 VBMT 1103.. SSV M2,5x6
S20R SVQBR-11 SM08274 20 18 200 15 ≥25 VBMT 1103.. SSV M2,5x6
S20R SVQBL-11 SM08380 20 18 200 15 ≥25 VBMT 1103.. SSV M2,5x6
S25S SVQBR-16S SM39926 25 23 250 19,5 ≥32 VBMT 1604.. SSV M3,5x10 BAX-VB16 SBV5 M5x0,5 A3,5x9
S25S SVQBL-16S SM52055 25 23 250 19,5 ≥32 VBMT 1604.. SSV M3,5x10 BAX-VB16 SBV5 M5x0,5 A3,5x9
S32T SVQBR-16 SM08465 32 30 300 24 ≥40 VBMT 1604.. SSV M3,5x14 BAX-VB16 SBV M5x0,5 A3,5x11
S32T SVQBL-16 SM08458 32 30 300 24 ≥40 VBMT 1604.. SSV M3,5x14 BAX-VB16 SBV M5x0,5 A3,5x11

Applications

This turning holder is primarily designed for internal profile turning and contour machining operations. The steep 107.5° approach angle offers great versatility when generating complex internal workpiece geometries, undercuts, and stepped bores. With its compact dimensions, suitable for minimum bore diameters starting at 21 mm, the tool holder is frequently utilized in precision engineering, general machine construction, and batch production on CNC lathes. The solid design without internal coolant channels makes it an excellent choice for dry machining environments or setups utilizing external coolant delivery.

Special features

The holding system stands out with a well-conceived structural design tailored to maximize the performance of positive VBMT inserts. The direct screw clamping minimizes the space required at the cutting head, which actively promotes unobstructed chip evacuation inside narrow bores. Furthermore, the available variants, ranging from 16 mm to 32 mm shank diameters, exhibit high structural rigidity, minimizing unwanted vibrations and contributing to consistent surface finishes.

SMOXH
SM08366

Data sheet

Type of clamping
Screw Clamp
Cooling Holes
without cooling holes
Inserts
VB..
Turning
Profiling

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