T12 - T28 Round Trapezoidal Nut ACME Screw Lead CNC Router Motion Machine Drive Diy Size: T12x3, T14x3, T16x4, T18x4, T20x4, T22x5, T24x5, T25x5, T28x5. (You can choose the size of the required size, buy it now.) Packing number: 1 If there is anything you need, Please contact with us. There are a variety of Model and size available but they are not all listed.
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