BT 30 ER11 2.36" ER Collet Chuck Tool Holder

SKU 202-5886

BT 30 ER11 2.36" ER Collet Chuck Tool Holder

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SKU 202-5886
Tool Holder Category Collet Chuck
shank size BT30
projection length 2.36
max rpm balanced to 10000
TIR (inch) 0.0001
drawbar thread size M12x1.75
Dual Contact Tool Holder No
collet series ER11
collet chuck style standard
collet nut diameter 0.748
Collet Nut Style Hex
Full Details

Product Spotlight


  • Superb surface finish all around the body
  • 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