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      ER™ • Straight Shank
      ER™ • Straight Shank
      ER™ • Straight Shank
      ER™ • Straight Shank

      ER™ • Straight Shank • Metric

      ER™ • Straight Shank

      Metric
      Inch
      SAP Material Number 1288321
      ISO Catalog Number SS250ER20190M
      ANSI Catalog Number SS250ER20190M
      [CST] Catalog Collet Series ER20
      [D] Adapter / Shank / Bore Diameter 25.0
      [D] Adapter / Shank / Bore Diameter .9843
      [D11] Lock Nut Diameter 28.0000
      [D11] Lock Nut Diameter 1.102
      [L] Overall Length 190.0000
      [L] Overall Length 7.480
      [LS] Shank Length 150.0
      [LS] Shank Length 5.905
      [L9] Clamping Length 36.0000
      [L9] Clamping Hole Length 1.417
      [V] Adjustment Range 64.0000
      [V] Adjustment Range 2.519
      Weight Kilograms 0.55
      Counter Bore Collet Torque Nm 28.000
      Straight Collet Torque Nm 28
      Stop Screw ID Drive Size 6 mm
      See all Product Variants

      Uses and application

      • Shank - Cylindrical  PlainShank - Cylindrical Plain
      • Shank - Cylindrical with SquareShank - Cylindrical with Square
      • Axial Adjustment - EndAxial Adjustment - End
      • Collet - ER DIN 6499Collet - ER DIN 6499
      • Drilling - Through CoolantDrilling - Through Coolant
      • 100042742100042742

      Features and benefits

      • Grip (2:1 advantage).

      Spare Parts for ER™ • Straight Shank • Metric

      Spare Part
        WRENCH
        WRENCH
        Spare Part
          ER 20 SLIM ROUND LOCKNUT
          ER 20 SLIM ROUND LOCKNUT
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