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  • BT30 ER20 2.76" 70 4PCS SET Collet Chuck Tool Holder 12000RMP For CNC Milling

    • Item No : 375240105355
    • Condition : New
    • Brand : Unbranded
    • Seller : chuanghong-us
    • Current Bid : US $64.99
    • * Item Description

    • Product Type: BT30 ER20. 1、BT30 ER20 chucks are widely used in industry fields with gage/processing length of 2.76" (70 mm). Each of them is hardened and grounded to ensure its accuracy, which ranges from 0.00012" to 0.0002" (0.003-0.005 mm).
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