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Mfg SKU #202-1921
Tool Holder CategoryFace Mill Holder
BrandTegara
shank sizeCAT50
projection length2
max rpm balanced toG2.5 20000
TIR (inch)0.0001
drawbar thread size1-8UNC
Nose Diameter2.18
Dual Contact Tool HolderYes
arbor diameter1
Arbor Screw Diameter1.17
Key Width for Face Mill Keyway0.37

Design

Craftmanship

  • shars cat40 dual contact tool holder

    Mirror Finished

    Taper ground to AT3 or better specification ensures 80% or more contact with spindle to reduce harmonics, improve runout tolerance and deliver consistence performance

  • shars cat40 dual contact  tool holder

    Flange Contact

    Precision mill finished from multi-tasking Mazak machine on the flange face to eliminate the 1/8" gap between flange and spindle nose to minimize vibration

  • shars cat40 tool holder

    Pilot Contact

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

Tech Specification

  • Taper Size

    CAT50

  • Arbor Diameter

    1"

  • Projection Length

    2.00"

  • Arbor Tolerance

    H6

  • TIR (at arbor)

    < 0.0001"

  • Max Balanced To

    G2.5 20,000 RPM

  • Coolant Type

    Thru Spindle

  • Nose Diameter

    2.18"

  • Arbor Screw Thread

    1/2-20 UNF

  • Arbor Screw Diameter

    1.17"

  • Key Width

    0.37"

  • Rear Thread Size

    1"-8

Spotlight

  • Dual Contact



    With simultaneous contact on taper and flange face between the spindle and tool holder, dual contact tooling eliminates the 1/8” gap between the flange face and the spindle nose to increase rigidity, minimize vibration, extend cutting tool tool life, and greatly improve workpiece surface finish at aggressive speed & feed

  • DONE IN ONE



    By utilizing DONE IN ONE capability from Mazak Integrex machine with a second turning spindle, all processes from raw bar stock material to final machining in just one machine to improve machining accuracy and streamline production output.

  • 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 and taper accuracy is inspected in Mahr air gage. We are not satisfied with just meeting the industry standard, the surface roughness on the taper is maintained to mirror finish.

  • Flange and V-groove are precision ground to ensure reliable tool change
  • Spindle Thru coolant capability
  • SHARS Dual Contact tool holder can only be used on machine center with dual contact spindle
  • Compatible with BIG-PLUS ® spindles.
  • *BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp. 
    Compatible with BIG-PLUS® spindles, but not licensed.

What’s Included

  • The included arbor screw is NOT coolant thru. For coolant thru capability, please purchase an optional coolant thru arbor screw from the Related Product

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