COVID-19: How WIDIA is responding
    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
        If you create a new solution, you will lose any solutions you were working on already. How would you like to proceed?
        You are about to create a duplicate . Do you want to proceed?
        You are about to delete Do you want to proceed?
        What would you like to rename your to?
        Please enter a valid name
        Please enter a name for the duplicate
        Please enter a valid name
        You are about to add to your My Solutions page. Do you want to proceed?
        Please enter a valid name
        Send a copy of

        Please enter a valid Email
        Please enter a valid name

        We have found the following CAD Drawings

        Select the files you are looking for and download them all at once

        You should be logged to see your dashboard information
        The product/s () you were trying to add to the cart is/are not available, please contact customer service.
        item(s) successfully added to the cart
        View Cart