Basic InfoModel NO.: 6499b, din 6499b er colletSpecification: 1.5mm to 25mmHS Code: 84661000Origin: chinaProduct DescriptionDIN 6499B ER SERIES COLLETSMade of special elastic steel material 65Mn; Hardness: HRC 44-48Powerful clamping ability, high precise accutacyUsed for boring, milling, drlling, tapping, grinding and engraving operation etc.Kinds of sets available on request. (wooden case).Detailed list and inspection tolerance as following.Inspection as in the picture middle position.Mounting instruction for ER collet and nut. (show as in picture bottom position)1. Put the collet into the nu
High Precision ER COLLET