Type:Indexable Drill Bit Material:High Carbon Steel Use:Metal Drilling Product name:Carbide indexable U drill Color:Black, Sliver Type:Carbide indexable U drill Usage:Drilling Insert:SPMG SPGT WCMX WXMT and so on Measuring:Metric and Inch Size:STD-V*3D Diameter:13-2D----60-5D Customized:Accept Certification:ISO9001:2008