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NMTB 30 ER16 ER Collet Chuck Tool Holder

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More Information
Mfg SKU #202-1410
Tool Holder CategoryCollet Chuck
BrandShars Tool
shank sizeNMTB 30
projection length2.76
drawbar thread size1/2x13UNC
Dual Contact Tool HolderNo
collet seriesER16
collet chuck stylestandard
collet nut diameter28mm


  • Reduced nose diameter under the flange to allow compatibility to quick change system

  • Taper ground to AT3 or better accuracy standard for maximum contact with spindle

  • Runout is less than 0.0002" from taper to end mill pocket

  • Made of alloy steel and hardened to HRc 58 and all critical surface is precision ground

  • 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

  • Each holder comes with a lab certificate on its taper accuracy and runout measurement
  • 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