5/8 Inch Precision R8 Round Collet Drawbar Thread 7/16"- 20 Hardened

Suitable For All Kinds Of Milling Machine Spindle Taper Hole For The R8. Used For Clamping Tools, Change The Taper Hole Of Spindle. Hardened And Ground Throughout. 7/16"-20 Draw Bar Thread. Precision Ground to Close Tolerance.

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