TTS 3/4" Straight Shank ER16 Collet Chuck Tool Holder Specification Length 1.38. Tool holder: 3/4 ER16 1.38 TTS. 1 3/4 ER16 1.38 TTS Tool Holder. Including collet nut. Clamping Range: 3/16-1/2″. Chuck Runout (TIR): 0.0003".
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