• Fitment: 
  • 8 Pcs BT30 ER20 Collet Chuck 70L Tool Holder Set For CNC Milling Machine
  •  
  • Description：
  • Fitment:It's suitable for drilling, milling, engraving, high precision, widely used in precision machining
  • Specifications:
  • Model: BT30 ER20 70L
  •  
  • Description:
  • - The handle has stable performance and long service life, after heat treatment has been greatly improved in hardness handle.
  • - Advanced production technology to ensure the accuracy of the handle, to meet your requirements in high precision machining.
  • - Chuck holder is stable using life, advanced vacuum quenching furnace to achieve carbon and nitrogen Co doped increase the hardness of the handle

    • BT30 ER20 Collet Chucks 8 Piece Set 70mm Length CNC Milling Tool Holders

    Fitment: 

    8 Pcs BT30 ER20 Collet Chuck 70L Tool Holder Set For CNC Milling Machine

     

    Description：

    Fitment:It's suitable for drilling, milling, engraving, high precision, widely used in precision machining

    Specifications:

    Model: BT30 ER20 70L

     

    Description:

    - The handle has stable performance and long service life, after heat treatment has been greatly improved in hardness handle.

    - Advanced production technology to ensure the accuracy of the handle, to meet your requirements in high precision machining.

    - Chuck holder is stable using life, advanced vacuum quenching furnace to achieve carbon and nitrogen Co doped increase the hardness of the handle

    - The life rate is high, and the cost can be reduced


    Note:

    CNC tool placement collet, must go beyond the collet hole effective clamping length, to avoid improper locking, resulting in the loss of.

    Use the correct wrench device, can not be arbitrarily changed so as not to cause damage.

    Do not use the rod with a notch or a plane of the CNC cutting tools.

    Do not air lock (not inserted in the chuck Holder)

     

    Package Includes:

    8pcs BT30 ER20 70L Collet Chuck Tool Holder ER20 Toolholder For CNC Milling



    Payment

    Shipment

    Usually we arrange shipping in 3 business day after payment confirmed.
    Orders will be shipped out via Carrier USPS or FedEx .

    Delivery time :

    When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

    Warrenty & RMA

    Warranty for defective items (excluding items damaged and/or misused after receipt).
    In order to return an item you must contact us to request a RMA No.
    Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your eBay ID.

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    If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative feedback, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
    Usually, we response your email in 1 business day.

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    BT30 ER20 Collet Chucks 8 Piece Set 70mm Length CNC Milling Tool Holders


    Usually we arrange shipping in 3 business day after payment confirmed.
    Orders will be shipped out via Carrier USPS or FedEx .

    Delivery time :

    When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

    Warranty for defective items (excluding items damaged and/or misused after receipt).
    In order to return an item you must contact us to request a RMA No.
    Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your eBay ID.

    We hope you have a pleasant shopping experience with us and satisfy 100%.
    If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative feedback, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
    Usually, we response your email in 1 business day.

    [ Default Others: This is the contents of your Others. You can add a banner for this Others as header and add text descriptions here. The text descriptions can be different Font Size, Font Color, Style and even graphics and icons are also accepted. ]


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    On Jun 18, 2026 at 00:20:03 PDT, seller added the following information:

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