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Mfg SKU #202-7532
Tool Holder CategoryEnd Mill Holder
BrandTegara
shank sizeBT30
Bore Diameter3/8
projection length1.1
end mill holder stylestandard
max rpm balanced toG2.5 20000
TIR (inch)0.0002
drawbar thread sizeM12x1.75
Stop Screw Thread Size3/8-24 UNF
Nose Diameter1.0
Dual Contact Tool HolderNo

Design

Craftmanship

  • shars cat40 tool holder

    AT3 or Better

    Taper ground to AT3 or better ensures 80% or more contact with spindle to reduce harmonics and improve runout tolerance

  • shars cat40 tool holder

    Pilot Contact

    Inside bore are precision turned to engage a better contact with retention knob's pilot to increase rigidity

  • shars cat40 tool holder

    Taper End Face

    Precision turning surface finish provide perpendicular contact with the flange of retention knob to increase rigidity

Tech Specification

  • Taper Size

    BT30

  • Bore Diameter

    3/8"

  • Projection Length

    1.10"

  • Bore Tolerance

    H6

  • TIR (at nose face)

    < 0.0001"

  • Max Balanced To

    G2.5 20,000 RPM

  • Coolant Type

    Thru Spindle

  • Rear Thread Size

    M12x1.75

  • Nose Diameter

    1.0"

Spotlight

  • Mirror Finish



    To achieve AT3 or better taper contact as an industry standard, our taper surface are precision ground on Shigiya CNC grinder from Japan. We are not satisfied with just meeting the industry standard, the surface roughness on the taper is maintained to mirror finish.

  • Dynamic Balancing

    Tool holder is balanced to G2.5 20,000 RPM on a HAIMER Tool Dynamic Balancing System from Germany.  Balanced tool holder minimizes the centrifugal forces which minimize the stress on spindle bearing, minimize vibration and maximize the cutting tool's life cycle and greatly improve surface finish. 

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