CTOOL Centering Tool for E2, E3, E5, E6, EC35, E8T, E16, and M3K

CTOOL Product Description

This reusable tool provides a simple method for accurately locating the encoder base relative to the shaft in order to promote concentricity, and thereby the highest possible encoder accuracy.

Instructions: When mounting the encoder base, slide the centering tool down the shaft until it slips into the centering hole of the encoder base. Tighten the encoder base mounting screws, then remove the centering tool. See product's assembly instructions.

Additional Information

Product Notes

  • US Digital® warrants its products against defects in materials and workmanship for two years. See complete warranty for details.

Downloads Available


3D Model Downloads

Please configure your product first to download a 3D model.
(Note: The formats below will become links if there are 3D models available.)

    • SolidWorks format
    • IGES format
    • Parasolid format
    • STEP format

    Related Products & Accessories

    The following are related products for the CTOOL

    Product Configurator

    For pricing, this product requires configuration.

    Begin by completing either Option 1 or 2 below. Questions? Contact our support team.

    Option 1: Configure the Product

    Use the configuration tool to provide information regarding your product needs. Not sure what to do or need additional assistance? Our support team is here to help.

    We recommend enabling Javascript when using the product configurator.

    1. Product

    2. Bore

    Option 2: Enter the Product Part Number Directly

    If you know your product part number, enter it in the following field. The part number format looks something like this: E5-5000-394-IE-S-D-D-3...

    CTOOL Pricing

    Quantity Unit Price
    1 $5.25
    10 $4.83
    50 $4.28
    100 $3.98
    Over 100 Call for Quote
    Quantity Unit Price Subtotal
    $5.25 $5.25

    For purchasing or volume discounts, please configure the part above, then use the completed part number and contact us!


    US Digital's mission is a commitment to quality and constant improvement. If you find an error to a product on this page, please let us know!