BT40 ADS06 90mm Mini Nose Drawbar Pull Collet Chuck Tool Holder

SKU 202-6920

BT40 ADS06 90mm Mini Nose Drawbar Pull Collet Chuck Tool Holder

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SKU 202-6920
Mfg SKU # 202-6920
Tool Holder Category Collet Chuck
Brand Tegara
shank size BT40
projection length 90mm
max rpm balanced to G2.5 20000
TIR (inch) 0.0001
drawbar thread size M16x2.0
Nose Diameter 0.51
Dual Contact Tool Holder No
collet series ADS06
collet chuck style standard
Full Details


  • shars cat40 ADS collet tool holder

    Mirror Finished

    Taper ground to AT3 or better specification 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


  • Collet Series


  • Projection Length


  • Collet Size Range

    0.0937" - 0.2500"

  • TIR (at collet face)

    < 0.0001"

  • Max Balanced To

    G2.5 20,000 RPM

  • Coolant Type

    Non-Coolant Thru

  • Taper Nose Diameter (Min)


  • Taper Nose Diameter (Max)


Product Spotlight

  • Minimum Clearance Required

    Without the need for a collet nut, the 0.5118" nose diameter with 3 degree taper extension nose provides better tool clearance in long reach application. Tool change is also convenient and does not require tightening fixture or torque wrench.

  • Pre-Balance Design

    Without the collet nut design, the tool holder assembly with collet would better balanced at high speed rotation. Unique design feature in the flange to minimize the off-balance nature of CAT 40 taper specification.  On the shoulder under the flange, a side is mill flat to compensate the weight of the metal chips lost from forming the spherical hole in the flange.  This design allows the left side and right side of the holder to achieve 50-50 perfect weight distribution in its upright position, like the position inside a machine spindle. Symmetrical design in evenly weight distribution will minimize centrifugal force in high speed spinning and thus maximize the holder's ability to hold the cutting tool concentric to spindle rotation.

  • 5 Micron 4 Degree Taper Collet

    ADS collet with 4 degree taper and longer body length than standard ER collet has more contact surface with the cutting tool shank and the bore of the tool holder. The ADS collet seats deeper and flush with the nose with no overhang generate more gripping force and greater accuracy. Without a collet nut would also prevent chip packing or stringy bird nests below the collet chuck to extend tool holder service life. ADS 5 micron collet runout tolerance within 5 micron / .0002" at 4xD position.

What's Included