M00003593
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ISO 10887:1999
Key type three-jaw drill chucks -- Specificationstandard by International Organization for Standardization, 11/01/1999
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This International Standard specifies the dimensional characteristics and concentricity tolerance requirements for key type three-jaw drill chucks with taper bore or internal thread mounts.
Three classes of chucks are specified, namely:
Heavy (H)Medium (M)Light (L)for use in various fields of activity.
Basic dimensions for three-jaw drill chuck keys are also specified.