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BT40 ER25 2.75" Collet Chuck Tool Holder

SKU
202-5996
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Mfg SKU #202-5996
Tool Holder CategoryCollet Chuck
BrandShars Tool
shank sizeBT40
projection length2.75
max rpm balanced to12000
TIR (inch)0.0001
drawbar thread sizeM16x2.0
Dual Contact Tool HolderNo
collet seriesER25
collet chuck stylestandard
collet nut diameter1.65
Collet Nut StyleSlotted

Spotlight

  • In a generic standard ER collet nut, an internal ring is off-centered so that an ER collet can be easily snapped into it and holds the ER collet in place.  To minimize this off-centering, SHARS ER collet nut is optimized to distribute the flat sides' area to off-set the off-center.
  
  • Made from alloy steel harden to 54-60 HRc
  • Taper ground to AT3 or better accuracy standard for maximum contact with spindle.
  • All critical surface are precision ground
  • Concentricity is less than 0.0001" from taper to end mill pocket
  • Each holder comes with a lab certificate on its taper accuracy and runout measurement
  • Internal set screw is included and can be used as a stopping pin to prevent end mill or drill from sliding backwards while performing heavy cutting
  • Coolant through capability by removing the internal set screw

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