This ER collet is used for CNC milling lathe tool and workholding engraving machine.Collet must be placed into collet chuck nut before inserting into collet chuck. Specifications:Model: ER16Clamping Diameter: 1/8-inchMaterial: 40Cr SteelPrecision: 0.015mm / 0.0006-inchTotal Height: 27.5mm / 1.08-inchOuter Diameter(Max): 17mm / 0.67-inch Package Includes: 1 x Spring Collet.
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